250+ Engineering Surveying MCQs

Section 1

Questions 1 - 10

1

Question

Hydrographic surveys deal with the mapping of

A large water bodies B heavenly bodies C mountaineous region D canal system

2

Question

An ideal vertical curve to join two gradients, is

A circular B parabolic C elliptical D hyperbolic

3

Question

Pick up the correct statement from the following :

A the eyepiece plays no part in defining the line of sight B the diaphragm plays no part in defining the line of sight C the optical centre of the objective plays no part in defining the line of sight D none of these.

4

Question

The intercept of a staff

A is maximum if the staff is held truly normal to the line of sight. B is minimum if the staff is held truly normal to the line of sight. C decreases if the staff is tilted away from normal D increases if the staff is tilted towards normal.

5

Question

The sensitiveness of a level tube decreases if

A radius of curvature of its inner surface is increased B diameter of the tube is increased C length of the vapour bubble is increased D both viscosity and surface tension are increased.

6

Question

For true difference in elevations between two points A and B, the level must be set up

A at any point between A and B B at the exact mid point of A and B C near the point A D near the point B.

7

Question

Pick up the correct statement from the following :

A Box sextant is used for the measurement of horizontal angles B Cross staff is used for setting out right angles C Gradiometer is used for setting out any required gradient D All the above.

8

Question

The radius of curvature of the arc of the bubble tube is generally kept

A 10 m B 25 m C 50 m D 100 m

9

Question

If S is the length of a subchord and R is the radius of simple curve, the angle of deflection between its tangent and sub-chord, in minutes, is equal to

A 573 S/R B 573 R/S C 1718.9 S/R. D 1718.9 R/S

10

Question

The real image of an object formed by the objective, must lie

A in the plane of cross hairs B at the centre of the telescope C at the optical centre of the eye-piece D anywhere inside the telescope.

Section 2

Questions 11 - 20

11

Question

In chain surveying tie lines are primarily provided

A to check the accuracy of the survey B to take offsets for detail survey C to avoid long offsets from chain lines D to increase the number of chain lines

12

Question

Pick up the correct statement from the following :

A the tangent screw enables to give small movement under conditions of smooth and positive control B standing on the tripod is the levelling head or trib arch C the levelling screws are used to tilt the instrument so that its rotation axis is truly vertical D all the above.

13

Question

One of the Lehmann's rules of plane tabling, is

A location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances B when looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray C when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays D none of these

14

Question

The accuracy of measurement in chain surveying, does not depend upon

A length of the offset B scale of the plotting C importance of the features D general layout of the chain lines.

15

Question

Closed contours of decreasing values towards their centre, represent

A a hill B a depression C a saddle or pass D a river bed.

16

Question

Diopter is the power of a lens having a focal length of

A 25 cm B 50 cm C 75 cm D 100 cm

17

Question

An imaginary line joining the points of equal elevation on the surface of the earth, represents

A level line B contour line C contour gradient D contour surface

18

Question

The 'fix' of a plane table station with three known points, is bad if the plane table station lies

A in the great triangle B outside the great triangle C on the circumference of the circumscribing circle D none of these.

19

Question

If R is the radius of the main curve, θ the angle of deflection, S the shift and L the length of the transition curve, then, total tangent length of the curve, is

A (R - S) tan θ/2 - L/2 B (R + S) tan θ/2 - L/2 C (R + S) tan θ/2 + L/2 D (R - S) tan θ/2 + L/2

20

Question

For a closed traverse the omitted measurements may be calculated

A length of one side only B bearing of one side only C both length and bearing of one side D all the above.

Section 3

Questions 21 - 30

21

Question

The slope correction for a length of 30 m along a gradient of 1 in 20, is

A 3.75 cm B 0.375 cm C 37.5 cm D 2.75 cm

22

Question

The main principle of surveying is to work

A from part to the whole B from whole to the part C from higher level to the lower level D from lower level to higher level.

23

Question

For the construction of highway

A longitudinal sections are required B cross sections are required C both longitudinal and cross sections are required D none of these.

24

Question

If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed.

A R/10 B R/15 C R/20 D R/25

25

Question

In chain surveying field work is limited to

A linear measurements only B angular measurements only C both linear and angular measurements D all the above.

26

Question

Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm focal length. The focal length of the combination is

A 10 cm B 20 cm C 30 cm D 40 cm

27

Question

One of the tacheometric constants is additive, the other constant, is

A subtractive constant B multiplying constant C dividing constant D indicative constant.

28

Question

The limiting length of an offset does not depend upon

A accuracy of the work B method of setting out perpendiculars C scale of plotting D indefinite features to be surveyed.

29

Question

In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by

A adding 180°, if the given bearing is less than 180° B adding 180°, if the given bearing is less than 180° C changing the cardinal points, i.e. substituting N for S and E for W and vice-versa D none of these.

30

Question

Select the correct statement from the following:

A the theodolite in which telescope can be rotated in vertical plane is called a transit B when the vertical circle is to the left of the telescope during observation, it is called to be in left face C when the vertical circle is to the right of the telescope during observation, it is called to be in right face D all the above.

Section 4

Questions 31 - 40

31

Question

Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following

A chain surveying B compass surveying C plan table surveying D tacheometric surveying.

32

Question

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is

A correctly focussed B not correctly focussed C said to have parallax D free from parallax.

33

Question

Accuracy of 'fix' by two point problem, is

A bad B good C not reliable D unique

34

Question

True meridians are generally preferred to magnetic meridians because

A these converge to a point B these change due to change in time C these remain constant. D None of these.

35

Question

A bearing of a line is also known as

A magnetic bearing B true bearing C azimuth D reduced bearing

36

Question

If θ is the slope of the ground and l is the measured distance, the correction is

A 2l sin2 θ/2 B 2l cos2 θ/2 C 2l tan2 θ/2 D 2l cot2 θ/2.

37

Question

The most reliable method of plotting a theodolite traverse, is

A by consecutive co-ordinates of each station B by independent co-ordinates of each station C by plotting included angles and scaling off each traverse leg D by the tangent method of plotting.

38

Question

The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to

A the distance between the zero of gradient and the foot of the staff B twice the distance between the zero of graduation and the foot of the staff C thrice the distance between the zero of graduation and the foot of the staff D none of the above.

39

Question

The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is

A 102° B 78° C 45° D none of these.

40

Question

In geodetic surveys higher accuracy is achieved, if

A curvature of the earth surface is ignored B curvature of the earth surface is taken into account C angles between the curved lines are treated as plane angles D none of these.

Section 5

Questions 41 - 50

41

Question

Determining the difference in elevation between two points on the surface of the earth, is known as

A levelling B simple levelling C differential levelling D longitudinal levelling.

42

Question

Permanent adjustments of a level are

A 2 in number B 3 in number C 4 in number D 6 in number

43

Question

During levelling if back sight is more than foresight

A The forward staff is at lower point B The back staff is at lower point C The difference in level, cannot be ascertained. D none of these.

44

Question

Two contour lines, having the same elevation

A cannot cross each other B can cross each other C cannot unite together D can unite together.

45

Question

The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

A mean sea level B geoid surface C level surface D horizontal surface.

46

Question

The representation of general topography of a very flat terrain is possible only

A by drawing contours at large interval B by drawing contours at small interval C by giving spot levels at large interval D by giving spot levels to salient features at close interval.

47

Question

The bearing of line AB is 152° 30' and angle ABC measured clockwise is 124° 28'. The bearing of BC is

A 27° 52' B 96° 58' C 148° 08' D 186° 58'

48

Question

______________________ is an art and science of determining the relative positions of various points or stations located on the surface of earth.

A Surveying B Levelling C Both A and B D None of above

49

Question

In _________________, the measurements are taken in vertical planes.

A Levelling B Traversing C Chaining D none of these.

50

Question

______________________ map shows hills, valleys, rivers, forests, towns, etc.

A Cadastral B Topographical C Political D none of these.

Section 6

Questions 51 - 60

51

Question

When the area of surveying is _________________, the curvature of earth can be neglected.

A 300 sq. km B 500 sq. km C less than 250 sq. km D 1000 sq. km

52

Question

To fix a new station or point, we require minimum ____________________ from reference staions.

A 1 angular and 1 linear measurement B 2 linear measurment C 2 angular measurement D All of above

53

Question

If the scale of the graphical projection on a horizontal plane is small, then it is termed as ______________.

A Plan B Map C Both A and B D None of above

54

Question

What is full form of RF ?

A Reduction factor B Reduced factor C Representative factor D Representative fraction

55

Question

A 10 km long road is indicated in a map by a length of 10 cm straight line. What is the RF of this map ?

A 1 :10 B 1 : 100 C 1 : 10000 D 1 : 100000

56

Question

Which of following is/are type/s of scales used in surveying ?

A Plain scale B Diagonal scale C Vernier scale D All of above

57

Question

To represent three successive dimensions, which scale is/are to be used ?

A Plain scale B Diagonal scale C Both A and B D None of above

58

Question

If the scale of map is 1 cm = 5 km, then it is known as ____________.

A Small scale B Large scale C Medium scale D None of above

59

Question

The main objective of surveying is to prepare ___________.

A Cross section B Isometric projection C Map D None of above

60

Question

The various methods of measuring distances are ______________.

A DDM B ODM C EDM D All of above

Section 7

Questions 61 - 70

61

Question

________________ is a instrument which counts and display the number of paces.

A Pedometer B Pasometer C Speedometer D None of above

62

Question

The chain having length of 100 feet divided in to 100 links is known as _____________.

A Metric chain B Engineer's chain C Revenue chain D All of above

63

Question

Which of the following is shortest of rest of all types of chains ?

A Gunter's chain B Revenue chain C Metric chain D Steel band

64

Question

Gunter's chain is also known as

A Standard chain B Surveyor's chain C Ranger's chain D None of above

65

Question

While surveying, ___________is inserted into the ground after every chain length measured on the ground.

A Ranging rod B Arrow C Both A and B D None of above

66

Question

_____________ is/are taken to check the accuracy of triangle which divide traverse in chain surveying.

A Tie line B Base line C Check line D None of above

67

Question

How many types of offset/s we take in the field during the survey ?

A 2 B 3 C 4 D 5

68

Question

Which instrument/s is/are available for taking offsets ?

A Optical square B Indian optical square C Open cross staff D All of above

69

Question

The errors which occurs in same direction and tend to accumulate are termed as

A Instrumental errors B Climatic errors C Cumulative errors D Compensating errors

70

Question

In tape, correction for slope is

A Positive B Negative C Both A and B D None of above

Section 8

Questions 71 - 80

71

Question

If the WCB of a line lies in second quadrant, then to calculate RB, we need

A RB = WCB B RB = WCB - 180 C RB = 180 - WCB D Cannot say

72

Question

Tilt of the staff in stadia tacheometry increases the intercept if it is

A away from the telescope pointing down hill B towards the telescope pointing up-hill C away from the telescope pointing up-hill D none of these.

73

Question

To orient a plane table at a point with two inaccessible points, the method generally adopted, is

A intersection B resection C radiation D two point problem.

74

Question

Number of links per metre length of a chain are

A 2 B 5 C 10 D 20

75

Question

The method generally preferred to for contouring an undulating area, is

A chain surveying B plane table surveying C tacheometrical surveying D compass surveying.

76

Question

If the declination of the needle is 10° W

A each of the whole circle reckoning has to be micros by 10° B in the quadrantal method, the correction is positive in the 1st and 3rd quadrants C in the quadrantal method, the corrections is negative in 2nd and 4th quadrants D all the above.

77

Question

For taking offsets with an optical square on the right hand side of the chain line, it is held

A by right hand upside down B by left hand upright C by right hand upright D by left hand up side down.

78

Question

If the whole circle bearing of a line is 270°, its reduced bearing is

A N 90° W B S 90° W C W 90° D 90° W

79

Question

A lens or combination of lenses in which the following defect is completely eliminated is called aplanatic

A spherical aberration B chromatic aberration C coma D astigmatism

80

Question

Straight, parallel and widely spaced contours represent

A a steep surface B a flat surface C an inclined plane surface D curved surface.

Section 9

Questions 81 - 90

81

Question

The theodolites used for making tacheometric observations by optical wedge system, are

A provided with stadia hairs in front of eye piece B provided with stadia hairs in front of eye piece C fitted with a glass wedge inside the telescope D fitted with a glass wedge in front of telescope.

82

Question

Resolving power of a telescope depends on

A the diameter of the aperture B the pupil aperture of the eye C the diameter of the object glass D all the above.

83

Question

Staff readings on pegs x and y from X station are 1.755 m and 2.850 m, and from station Y on staff head at Y and X are 0.655 m and 1.560 m. If reduced level of X is 105.5 m, the reduced level of Y is

A 104.0 m B 104.5 m C 105.0 m D 105.5 m

84

Question

The constant vertical distance between two adjacent contours, is called

A horizontal interval B horizontal equivalent C vertical equivalent D contour interval

85

Question

The reduced level of a floor is 99.995 m, the staff reading on the floor is 1.505 m. If the inverted staff reading against the roof is 1.795 m, the floor level below the slab, is

A 3.290 m B 3.300 m C 3.275 m D 2.790 m

86

Question

The correction to be applied to each 30 metre chain length along θ° slope, is

A 30 (sec θ - 1) m B 30 (sin θ - 1) m C 30 (cos θ - 1) m D 30 (tan θ - 1) m

87

Question

Under ordinary conditions, the precision of a theodolite traverse is affected by

A systematic angular errors B accidental linear errors C systematic linear errors D accidental angular errors.

88

Question

The bearing of lines OA and OB are 16° 10' and 332° 18', the value of the included angle BOA is

A 316° 10' B 158° 28' C 348° 08' D 43° 52'

89

Question

The properties of autogenous curve for automobiles are given by

A true spiral B cubic parabola C Bernoulli's Lemniscate D clothoid spiral.

90

Question

If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be

A 600 m B 700 m C 800 m D 900 m

Section 10

Questions 91 - 100

91

Question

The included angles of a theodolite traverse, are generally measured

A clockwise from the forward station B anti-clockwise from the back station C anti-clockwise from the forward station D clockwise from the back station.

92

Question

Location of contour gradient for a high way is best set out from

A ridge down the hill B saddle down the hill C bottom to the ridge D bottom to the saddle.

93

Question

The line normal to the plumb line is known as

A horizontal line B level line C datum line D vertical line.

94

Question

The angle of intersection of a curve is the angle between

A back tangent and forward tangent B prolongation of back tangent and forward tangent C forward tangent and long chord D back tangent and long chord.

95

Question

Planimeter is used for measuring

A volume B area C contour gradient D slope angle

96

Question

In a perfect prismatic compass

A magnetic axis and geometric axis of the needle coincide B ends of the needle and pivot are in same vertical and horizontal planes C pivot is vertically over the centre of the graduated circle D all the above.

97

Question

The defect of a lens whereby rays of white light proceeding from a point get dispersed into their components and conveyed to various foci, forming a blurred and coloured image is known as

A chromatic aberration B spherical aberration C astigmatism D coma

98

Question

If i is the stadia distance, f is the focal length and d is the distance between the objective and vertical axis of the techeometer, the multiplying constant, is

A f/i B I/f C (f + d) D f/d

99

Question

It is more difficult to obtain good results while measuringhorizontal distance by stepping

A up-hill B down-hill C in low undulations D in plane areas.

100

Question

The additional lines which are measured to show the correctness of the chain surveying are called:

A check clines B proof lines C tie lines D all of these.

Section 11

Questions 101 - 110

101

Question

The first reading from a level station is

A foresight B intermediate sight C back-sight D any sight.

102

Question

The length of a traverse leg may be obtained by multiplying the latitude and

A secant of its reduced bearing B sine of its reduced bearing C cosine of its reduced bearing D tangent of its reduced bearing.

103

Question

Pick up the correct statement from the following :

A a refracting telescope consists optically of two lenses B the principal axes of both the lenses coincide the optical axis of the telescope C the lens nearer the object to be viewed is convex and is called objective D all the above.

104

Question

An internal focussing type surveying telescope, may be focussed by the movement of

A objective glass of the telescope B convex-lens in the telescope C concave lens in the telescope D plano-convex lens in the telescope.

105

Question

Ranging is an operation of

A reconnaissance B judging the distance C determination of slope D establishing intermediate points between terminals.

106

Question

Pick up the correct statement from the following :

A mistakes arise from inattention, inexperience or carelessness B systematic errors persist and have regular effects in the survey performances C accidental errors occur inspite of every precaution is taken D all the above.

107

Question

Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known

A plane surveys B geodetic surveys C geographical surveys D topographical surveys.

108

Question

In a theodolite

A the telescope axis is perpendicular to transit axis B the axis of rotation is perpendicular to transit axis C the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite D all the above.

109

Question

Whole circle bearing of a line is preferred to a quadrantal bearing merely because

A bearing is not completely specified by an angle B bearing is completely specified by an angle C Sign of the correction of magnetic declination is different in different quadrants D its trigonometrical values may be extracted from ordinary tables easily.

110

Question

In chain surveying, perpendiculars to the chain line, are set out by

A a theodolite B a prismatic compass C a level D an optical square

Section 12

Questions 111 - 120

111

Question

The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only

A 1 cm B 10 cm C 5 cm D 100 cm

112

Question

The boundary of water of a still lake, represents

A level surface B horizontal surface C contour line D a concave surface.

113

Question

Diaphragm of a surveying telescope is held inside

A eye-piece B objective C telescope tube at its mid point D telescope at the end nearer the eye-piece

114

Question

The staff intercept will be

A greater farther off the staff is held B smaller, farther off the staff is held C smaller, nearer the staff is held D same, wherever the staff is held.

115

Question

Horizontal distances obtained tacheometerically are corrected for

A slope correction B temperature correction C refraction and curvature correction D all the above.

116

Question

If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is

A 30° B 60° C 90° D 120°

117

Question

Pick up the correct statement from the following :

A an observation or the resulting reading with the level on a levelling staff is called sight B a back sight is the first sight taken after setting up the instrument in any position C the first sight on each change point is a fore sight D all the above.

118

Question

In setting up a plane table at any station

A levelling is done first B centering is done first C both levelling and centering are done simultaneously D orientation is done first.

119

Question

The rise and fall method of reduction of levels, provides a check on

A back sights B fore sights C intermediate sights D all the above.

120

Question

In tangential tacheometry, an ordinary level staff is used

A leaning towards the instrument for inclined sights upward B leaning away from the instrument for inclined sights downwards C vertical in all cases D none of these.

Section 13

Questions 121 - 130

121

Question

The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as

A Plane alidade B telescopic alidade C clinometer D tacheometer

122

Question

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called

A contour line B contour gradient C level line D line of gentle scope.

123

Question

An angles of 45° with a chain line may be set out with

A optical square B open cross staff C Fench cross staff D prismatic square.

124

Question

The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as

A line of sight B line of collimation C axis of the telescope D none of these.

125

Question

In a precision traverse, included angles are measured by setting the vernier

A to read zero exactly on back station B to read 5° exactly on back station C some where near zero and reading both verniers on back station D all the above.

126

Question

The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is

A 21° 45' B 42° 15' C 42° 15' W D 21° 45' W

127

Question

In horizontal angles, the error due to imperfect levelling of the plate bubble is

A large when sights are nearly level B large for long sights C less for steeply inclined sights D large for steeply inclined sights.

128

Question

Pick up the correct statement from the following :

A The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass B the imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines C the isogonic lines through places at which the declination is zero are termed agonic lines D all the above.

129

Question

The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in

A chain surveying B traverse method of surveys C triangulation D none of these.

130

Question

The angle of intersection of a contour and a ridge line, is

A 30° B 45° C 60° D 90°

Section 14

Questions 131 - 140

131

Question

The area of any irregular figure of the plotted map is measured with

A planimeter B sextant C pentagraph D Clinometer

132

Question

The curvature of the earth's surface, is taken into account only if the extent of survey is more than

A 100 sq km B 160 sq km C 200 sq km D 260 sq km

133

Question

While surveying a plot of land by plane tabling, the field observations

A and plotting proceed simultaneously B and plotting do not proceed simultaneously C and recorded in field books to be plotted later D all the above.

134

Question

The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called

A brightness of telescope B magnification of telescope C resolving power of telescope D none of these.

135

Question

Bergchrund is a topograhical feature in

A plains B water bodies C hills D glaciated region

136

Question

To orient a plane table at a point P roughly south of the mid-point of two inaccessible conical hill stations A and B in the plains, a point C is selected in line with AB and table is oriented at C by bringing ab in line with AB. A ray is then drawn towards P and at P the table is oriented by back ray method. The orientation so obtained, is

A unique and correct B incorrect C manifold and correct D not reliable.

137

Question

The chaining on sloping ground is

A easier along the falling gradient B easier along the up gradient C equally convenient along falling as well as up gradient D all the above.

138

Question

Profile levelling is usually done for determining

A contours of an area B capacity of a reservoir C elevations along a straight line D boundaries of property

139

Question

For indirect ranging, number of ranging rods required, is

A 1 B 2 C 3 D 4

140

Question

To avoid large centering error with very short legs, observations are generally made

A to chain pins B by using optical system for centering the theodolite C to a target fixed on theodolite tripod on which theodolite may be fitted easily D all the above.

Section 15

Questions 141 - 150

141

Question

During secular variation of magnetic meridian at different places

A range of oscillations is constant B period of oscillation is constant C range and period of oscillation both vary D period of oscillation only varies.

142

Question

Designation of a curve is made by :

A angle subtended by a chord of any length B angle subtended by an arc of specified length C radius of the curve D curvature of the curve.

143

Question

If a linear traverse follows a sharp curve round a large lake where it is difficult to have long legs, the accuracy of the traverse may be improved by

A taking short legs B making repeated observations of angular and linear measurements C making a subsidiary traverse to determine the length of a long leg D all the above.

144

Question

Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to

A shift B twice the shift C thrice the shift D four times the shift.

145

Question

Rankine's deflection angle in minutes is obtained by multiplying the length of the chord by

A degree of the curve B square of the degree of the curve C inverse of the degree of the curve D none of these.

146

Question

The line of collimation method of reduction of levels, does not provide a check on

A intermediate sights B fore sights C back sights D reduced levels.

147

Question

The method of reversal

A is usually directed to examine whether a certain part is truly parallel or perpendicular to another B makes the erroneous relationship between parts evident C both (a) and (b) D neither (a) nor (b).

148

Question

You have to observe an included angle with better accuracy than what is achievable by a vernier, you will prefer the method of

A repetition B reiteration C double observations D exactness

149

Question

If the whole circle bearing of a line is 180°, its reduced bearing is

A S 0° E B S 0° W C S D N

150

Question

If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for

A horizontal sights B inclined sights upward C inclined sight downward D none of these.

Section 16

Questions 151 - 160

151

Question

The chord of a curve less than peg interval, is known as

A small chord B sub-chord C normal chord D short chord.

152

Question

Mistakes which may produce a very serious effect upon the final results arise due to

A in attention B in experience C carelessness D all of these.

153

Question

A well conditioned triangle has no angle less than

A 20° B 30° C 45° D 60°

154

Question

Contour lines of different elevations can unite to form one line, only in the case of

A a vertical cliff B a saddle C a water shed line D a hill top.

155

Question

The line of sight is kept as high above ground surface as possible to minimise the error in the observed angles due to

A shimmering B horizontal refraction C vertical refraction D both shimmering and horizontal refraction

156

Question

The smaller horizontal angle between the true meridian and a survey line, is known

A declination B bearing C azimuth D dip

157

Question

The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as

A traverse leg B a base C traverse base D all the above.

158

Question

For locating a distant object visible from two transit stations, the method usually preferred to, is

A Angles and distances from transit stations B Angles from two transit stations C distance from two transit stations D Angle from one transit station and distance from the other.

159

Question

1. The magnetic needle in a prismatic compass is placed [IES 2003-2]

A At the bottom of the graduated aluminium ring B Above the graduated aluminium ring C Below the brass box D Below the needle lifter, but above the bottom inside the compass

160

Question

Which one of the following instruments can be used as a clinometer? [IES 2007-2]

A Prism square B Line ranger C Abney level D Optical square

Section 17

Questions 161 - 170

161

Question

What is the angle of intersection of a contour and a ridge line?[IES 2006-2]

A 30° B 0° C 180° D 90°

162

Question

Diurnal variation is greater[IES 2006-2]

A In winter than in summer B At smaller latitudes than at higher latitudes C At magnetic equator points D In summer than in winter

163

Question

Which one of the following verniers is employed in Abney Level?[IES 2006-2]

A Retrograde vernier B Double vernier C Double folded vernier D Extended vernier

164

Question

What is the minimum number of satellites required from which signals can be recorded to enable a global positioning system receiver to determine latitude, longitude and altitude ?[IES 2004-2]

A One B Two C Three D Four

165

Question

Which one of the following methods of levelling eliminates .the error due to curvature and refraction?[IES 2003-2]

A Fly levelling B Levelling by equalizing the distances of backsight and foresight C Check levelling D Precise leveling

166

Question

The process of determining the location of the station (on the map) occupied by the plane is called as

A Intersection B Three-point problem C Traversing D Resection

167

Question

The object of chain and cross-staff survey is to[IES 2002-2] 1. locate the boundaries of an area 2. plot the figure to a scale 3. find the area of the plot 4. find the reduced levels of the plot Which of the above statements is/are correct ?

A 1, 2, 3 and 4 B 1, 2 and 3 C 1 and 2 D 4 alone

168

Question

Which one of the following surveys is employed for collecting sufficient data in connection with sewage disposal and water supply works ?[IES 2002-2]

A Topographic survey B Cadastral survey C Geodetic survey D Cross-sectioning & profile leveling

169

Question

Theory of errors and adjustments deals with minimizing the effects of[IES 2001-2]

A instrumental errors B mistakes C systematic errors D personal and accidental errors

170

Question

The method of orienting a plane table with two inaccessible points is known as

A intersection B resection C back sighting D two-point problem

Section 18

Questions 171 - 175

171

Question

Triangulation station selected close to the main station for avoiding intervening obstruction is called[IES 2000]

A eccentric station B pivot station C satellite station D tie station

172

Question

The arithmetical check for the computation of R.L. by “rise and fall” method is given by

A Σ F.S. — Σ B.S. = R.L. of last station point — R.L. of first station point =ΣFall — Σ Rise B Σ B.S. — Σ F.S. = R.L. of first station point — R.L. of last station point = ΣRise + Σ Fall C Σ B.S. — Σ F.S. = R.L. of last station point — R.L. of first station point = ΣRise — Σ Fall D Σ B.S. — ΣF.S. = ΣRise — Σ Fall = R.L. of first station point — R.L. of last station point

173

Question

Which one of the following surveys is required in observations of stars ?

A Astronomical survey B Cadastral survey C Aerial survey D Photogrammetric survey

174

Question

Which one of the flowing is not an instrument for setting out right angles? [ESE Prelims 2021]

A Cross staff B Site square C Prism square D Optical staff

175

Question

A theodolite is called a transit theodolite, when its telescope can be revolved through a complete revolution about its [IES 2020 prelims]

A vertical axis in an inclined plane B horizontal axis in an inclined plane C vertical axis in a horizontal plane D horizontal axis in a vertical plane

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