Q.1
With standard meridian as 82° 30' E the standard time at longitude 90° E is 8 h 30 m. The local mean time at the place will be
Q.2
In a truly vertical photograph,
Q.3
Polaris is usually observed for the determination of the latitude when it is
Q.4

In levelling operation

  • if second reading is more than first, it represents a rise
  • if first reading is more than second, it represents a rise
  • if first reading is less than second, it represents a fall
  • if second reading is less than first, it represents a fall
  • both (b) and (c).
Q.5

Short offsets are measured with

  • an ordinary chain
  • an invar tape
  • a metallic tape
  • a steel tape.
Q.6

Permanent adjustments of a level are

  • 2 in number
  • 3 in number
  • 4 in number
  • 6 in number
Q.7

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

  • mean sea level
  • geoid surface
  • level surface
  • horizontal surface.
Q.8

Pick up the correct statement from the following :

  • The directions of plumb lines suspended at different points in a survey are not strictly parallel
  • In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal
  • In surveys of large extent, the effect of curvature of the earth must be considered
  • All the above.
Q.9

The radius of a simple circular curve ism and length of its specified chord ism. The degree of the curve is

  • 5.73°
  • 5.37°
  • 3.57°
  • 3.75°.
Q.10

Correction per chain length oflinks along a slope of α radians, is

  • 100 α2
  • 100 α
  • 100 α3
  • 100 α-1.
Q.11

During levelling if back sight is more than foresight

  • The forward staff is at lower point
  • The back staff is at lower point
  • The difference in level, cannot be ascertained.
  • none of these.
Q.12

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

  • by drawing contours at large interval
  • by drawing contours at small interval
  • by giving spot levels at large interval
  • by giving spot levels to salient features at close interval.
Q.13

In geodetic surveys higher accuracy is achieved, if

  • curvature of the earth surface is ignored
  • curvature of the earth surface is taken into account
  • angles between the curved lines are treated as plane angles
  • none of these.
Q.14

While working on a plane table, the correct rule is :

  • Draw continuous lines from all instrument stations
  • Draw short rays sufficient to contain the points sought
  • Intersection should be obtained by actually drawing second rays
  • Take maximum number of sights as possible from each station to distant objects.
Q.15

Two contour lines, having the same elevation

  • cannot cross each other
  • can cross each other
  • cannot unite together
  • can unite together.
Q.16

The bearing of line AB isand angle ABC measured clockwise is28'. The bearing of BC is

  • 27° 52'
  • 96° 58'
  • 148° 08'
  • 186° 58'
Q.17

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

  • levelling
  • simple levelling
  • differential levelling
  • longitudinal levelling.
Q.18

Pick up the correct statement from the following

  • the contour lines having the same elevation cannot unite and continue as one line
  • a contour can not end abruptly, but must ultimately close itself not necessarily within the limits of map.
  • the direction of steepest slope at a point on a contour is at right angles to the contour
  • all the above.
Q.19

A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads

  • azimuth of the forward line
  • bearing of the. forward line
  • back bearing of the forward line
  • equal to 360°-azimuth of the forward line.
Q.20

Contours of different elevations may cross each other only in the case of

  • an over hanging cliff
  • a vertical cliff
  • a saddle
  • an inclined plane.
Q.21

In case of a double line river, contours are

  • stopped at the banks of the river
  • stopped at the edge of the river
  • drawn across the water
  • drawn by parabolic curves having their vertex at the centre of the water.
Q.22

In case of a direct vernier scale

  • graduations increase in opposite direction in which graduations of the main scale increase
  • smallest division is longer than smallest division of the main scale
  • graduations increase in the same direction in which graduations of the main scale increase
  • none of these.
Q.23

A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads

  • azimuth of the forward line
  • bearing of the. forward line
  • back bearing of the forward line
  • equal to 360°-azimuth of the forward line.
Q.24

Contours of different elevations may cross each other only in the case of

  • an over hanging cliff
  • a vertical cliff
  • a saddle
  • an inclined plane.
Q.25

The Trapezoidal rule of volumes V of an embankment divided into a number of sections equidistant D, is given by

  • V = [A1 + An + 2(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)]
  • V = [A1 + An + 4(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)].
Q.26

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

  • away from the telescope pointing down hill
  • towards the telescope pointing up-hill
  • away from the telescope pointing up-hill
  • none of these.
Q.27

If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to

  • 0°
  • 90°
  • 180°
  • 360°
Q.28

If + 0.grade meets - 0.grade and the rate of change of grade form distance is 0.the length of the vertical curve will be

  • 600 m
  • 700 m
  • 800 m
  • 900 m
  • 1000 m
Q.29

Resolving power of a telescope depends on

  • the diameter of the aperture
  • the pupil aperture of the eye
  • the diameter of the object glass
  • all the above.
Q.30

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

  • chain surveying
  • plane table surveying
  • tacheometrical surveying
  • compass surveying.
Q.31

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

  • intersection
  • resection
  • radiation
  • two point problem.
Q.32

Locating the position of a plane table station with reference to three known points, is known as

  • intersection method
  • radiation method
  • resection method
  • three point problem.
Q.33

The included angles of a theodolite traverse, are generally measured

  • clockwise from the forward station
  • anti-clockwise from the back station
  • anti-clockwise from the forward station
  • clockwise from the back station.
Q.34

If the declination of the needle isW

  • each of the whole circle reckoning has to be micros by 10°
  • in the quadrantal method, the correction is positive in the 1st and 3rd quadrants
  • in the quadrantal method, the corrections is negative in 2nd and 4th quadrants
  • all the above.
Q.35

The combined effect of curvature and refraction over a distance L kilometres is

  • 67.2 L2 mm
  • 76.3 L2 mm
  • 64.5 L2 mm
  • none of these.
Q.36

If D is the degree of the curve of radius R, the exact length of its specified chord, is

  • radius of the curve x sine of half the degree
  • diameter of the curve x sine of half the degree
  • diameter of the curve x cosine of half the degree
  • diameter of the curve x tangent of half the degree.
Q.37

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

  • ridge down the hill
  • saddle down the hill
  • bottom to the ridge
  • bottom to the saddle.
Q.38

Pick up the correct statement from the following :

  • with both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from knots
  • the follower of the chaining operation should be more experienced than the leader
  • at the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader
  • all the above.
Q.39

A level when set upm from peg A andm from peg B reads 2.on a staff held on A and 3.on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.m and 284.m respectively, the collimation error perm is

  • 0.015 m
  • 0.030 m
  • 0.045 m
  • 0.060 m
Q.40

Number of links per metre length of a chain are

  • 2
  • 5
  • 8
  • 10
  • 20
Q.41

If h1 and h2 are the differences in level between ground and the formation levels, m is the slope of the sloping sides. D is the distance between the cross sections then, prismoidal correction for a level section is

  • D/2m(h1 - h2)
  • D/3m(h1 - h2)
  • D/6m(h1 - h2)2
  • D/6m(h1 - h2)3
  • D/6m(h1 + h2)2
Q.42

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

  • by right hand upside down
  • by left hand upright
  • by right hand upright
  • by left hand up side down.
Q.43

If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping

  • it is possible to set offsets correctly on east side
  • it is possible to set offsets correctly on east side
  • it is not possible to set offsets correctly on west side
  • it is possible to set offsets correctly on both sides.
Q.44

In a telescope the object glass of focal lengthcm, is located atcm from the diaphragm. The focussing lens is midway between them when a staff 16.m away is focussed. The focal length of the focussing lens, is

  • 5.24 cm
  • 6.24 cm
  • 7.24 cm
  • 8.24 cm
Q.45

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

  • N 90° W
  • S 90° W
  • W 90°
  • 90° W.
Q.46

Themm markings on a levelling staff placed atm are separated by

  • radian
  • radian
  • radian
  • radian.
Q.47

Number of links per metre length of a chain are

  • 2
  • 5
  • 8
  • 10
  • 20
Q.48

Themm markings on a levelling staff placed atm are separated by

  • radian
  • radian
  • radian
  • radian.
Q.49

If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping

  • it is possible to set offsets correctly on east side
  • it is possible to set offsets correctly on east side
  • it is not possible to set offsets correctly on west side
  • it is possible to set offsets correctly on both sides.
Q.50

Themm markings on a levelling staff placed atm are separated by

  • radian
  • radian
  • radian
  • radian.
0 h : 0 m : 1 s