Q.1

The power of a lens

  • is reciprocal of its focal length
  • is positive if it is a convex lens
  • is negative if it is a concave lens
  • is measured in diopter.
Q.2

The orthographical projection of a traverse leg upon the reference meridian, is known as

  • departure of leg
  • latitude to the leg
  • co-ordinate of the leg
  • bearing of the leg.
Q.3

Perpendicularity of an offset may be judged by eye, if the length of the offset is

  • 5 m
  • 10 m
  • 15 m
  • 20 m.
Q.4

For orientation of a plane table with three points A, B and C, Bessel's drill is

  • Align b through a and draw a ray towards c, align a through b and draw a ray towards c, finally align c through the point of intersection of the previously drawn rays
  • Align c through a and draw a ray towards b, align a through c and draw a ray towards b, finally align b through the point of intersection of the previously drawn rays
  • Align c through b and draw a ray towards a, align b through c and draw a ray towards a, finally align a, through the point of intersection of the previously, drawn rays
  • In the first two steps any two of the points may be used and a ray drawn towards the third point, which is sighted through the point of intersection of previously drawn rays in the final step.
Q.5

Removal of parallax, may be achieved by focussing

  • the objective
  • the eye-piece
  • the objective and the eye-piece
  • none of these.
Q.6

Transition curves are introduced at either end of a circular curve, to obtain

  • gradually decrease of curvature from zero at the tangent point to the specified quantity at the junction of the transition curve with main curve
  • gradual increase of super-elevation from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
  • gradual change of gradient from zero at the tangent point to the specified amount at the junction of the transition curve with main curve
  • none of these.
Q.7

Ranging in chain survey means

  • looking at an isolated point not on the line
  • establishing an intermediate point on the line
  • determining the distance between end points
  • determining the offset distance
  • none of these
Q.8

ABCD is a rectangular plot of land. If the bearing of the side AB is 75°, the bearing of DC is

  • 75°
  • 255°
  • 105°
  • 285°
Q.9

Magnetic declination at any place

  • remains constant
  • does not remain constant
  • fluctuates
  • changes abruptly.
Q.10

In levelling operation

  • when the instrument is being shifted, the staff must not be moved
  • when the staff is being carried forward, the instrument must remain stationary
  • both (a) and (b)
  • neither (a) nor (b).
Q.11

Imaginary line passing through points having equal magnetic declination is termed as

  • isogon
  • agonic line
  • isoclinic line
  • none of these.
Q.12

Flint glass

  • has slightly the greater refracting power than crown glass
  • has roughly double refracting power than that of crown
  • and crown glass proportions yield the required focal length and neutralise the dispersion produced by the convex lens at the emergence from the concave
  • all the above.
Q.13

Ranging in chain survey means

  • looking at an isolated point not on the line
  • establishing an intermediate point on the line
  • determining the distance between end points
  • determining the offset distance
  • none of these
Q.14

The operation of resection involves the following steps

  1. rough orientation of the plane table
  2. the three lines form a triangle of error
  3. drawing lines back through the three control points
  4. select a point in the triangle of error such that each ray is equally rotated either clockwise or anti clockwise
  5. the points obtained by three rays is the correct location.

The correct sequence is
  • 1, 3, 2, 4, 5
  • 1, 2, 3, 4, 5
  • 1, 4, 3, 2, 5
  • 1, 4, 2, 3, 5
Q.15

The magnetic meridian at any point, is the direction indicated by a freely suspended

  • magnetic needle
  • and properly balanced magnetic needle
  • properly balanced and uninfluenced by local attractive force
  • magnetic needle over an iron pivot.
Q.16

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

  • taking short legs
  • making repeated observations of angular and linear measurements
  • making a subsidiary traverse to determine the length of a long leg
  • all the above.
Q.17

Pick up the correct statement from the following :

  • the lines of sight while observing back sight and fore sight lie in the same horizontal plane
  • the staff readings are measurements made vertically downwards from a horizontal plane
  • the horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis
  • all the above.
Q.18

A well conditioned triangle has no angle less than

  • 20°
  • 30°
  • 45°
  • 60°.
Q.19

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

  • traverse leg
  • a base
  • traverse base
  • all the above.
Q.20

The tangent to the liquid surface in a level tube, is parallel to the axis of the level tube at

  • every point of the bubble
  • either end of the bubble
  • the mid-point of the bubble
  • no where.
Q.21

Chain surveying is well adopted for

  • small areas in open ground
  • small areas with crowded details
  • large areas with simple details
  • large areas with difficult details.
Q.22

Profile levelling is usually done for determining

  • contours of an area
  • capacity of a reservoir
  • elevations along a straight line
  • boundaries of property
Q.23

Reduced bearing of a line is an angle between

  • north line and given line measured clockwise
  • north line and given line measured anticlockwise
  • east or west and the given line
  • given line and the part of the meridian whether N end or S end, lying adjacent to it.
Q.24

Subtense tacheometry is generally preferred to if ground is

  • flat
  • undulating
  • mountaineous
  • deserts.
Q.25

The method of reversal

  • is usually directed to examine whether a certain part is truly parallel or perpendicular to another
  • makes the erroneous relationship between parts evident
  • both (a) and (b)
  • neither (a) nor (b).
Q.26

The least count of a vernier scale is

  • sum of the smallest divisions of main and vernier scales
  • value of one division of the primary scale divided by total number of divisions of vernier scale
  • value of one division of vernier scale divided by total number of divisions of primary scale
  • none of these.
Q.27

In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to

  • line of sight
  • line of collimation
  • axis of the telescope
  • None of these.
Q.28

The whole circle bearing of a line is 290°. Its reduced bearing is

  • N 20° E
  • N 20° W
  • N 70° W
  • S 70° E
Q.29

The bearings of two traverse legs AB and BC are NE and NE respectively. The deflection angle is

  • 18° 15' E
  • 18° 15' N
  • 18° 15' W
  • 18° 15' R
  • 18° 15' L
Q.30

The minimum range for sliding the focusing lens in the internal focusing telescope for focusing at all distances beyond 4 m is

  • 5 mm
  • 10 mm
  • 15 mm
  • 20 mm.
Q.31

Pick up the correct statement from the following :

  • A level surface is perpendicular at all points to the direction of gravity
  • A level line lies in level surface
  • A horizontal surface is normal to the direction of gravity at only one point
  • A horizontal line is tangential to the level surface
  • All the above.
Q.32

The horizontal angle between true meridian and magnetic meridian, is known

  • bearing
  • magnetic declination
  • dip
  • convergence.
Q.33

Accurate measurement of deflection angles with a transit not properly adjusted may be made by

  • setting the vernier A at zero at back station and then plunging the telescope
  • setting the vernier A at zero at back station and turning the instrument to the forward station
  • taking two back sights one with the telescope normal and the other with telescope inverted
  • none of these.
Q.34

Grid lines are parallel to

  • magnetic meridian of the central point of the grid
  • line representing the central true meridian of the grid
  • geographical equator
  • none of these.
Q.35

Systematic errors are those errors

  • which cannot be recognised
  • whose character is understood
  • whose effects are cumulative and can be eliminated
  • none of these.
Q.36

The zero of the graduated circle of a prismatic compass is located at

  • north end
  • east end
  • south end
  • west end.
Q.37

The horizontal angle between true meridian and magnetic meridian, is known

  • bearing
  • magnetic declination
  • dip
  • convergence.
Q.38

If the radius of a simple curve ism, the maximum length of the chord for calculating offsets, is taken

  • 10 m
  • 15 m
  • 20 m
  • 25 m
  • 30 m.
Q.39

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

  • shift
  • twice the shift
  • thrice the shift
  • four times the shift.
Q.40

If Δ is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be

  • Δ
  • 2 Δ.
Q.41

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

  • a vertical cliff
  • a saddle
  • a water shed line
  • a hill top.
Q.42

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

  • 30°
  • 45°
  • 60°
  • 90°.
Q.43

The bearing of C from A is NE and from B,metres east of A, is NW. The departure of C from A is

  • 50 m
  • 50 3 m
  • 25 3 m
  • 25 m
Q.44

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

  • Angles and distances from transit stations
  • Angles from two transit stations
  • distance from two transit stations
  • Angle from one transit station and distance from the other.
Q.45

Pick up the wrong statement from the following :

  • the diaphragm is placed between the eyepiece and the objective but nearer to the former
  • the diaphragm is placed between the eyepiece and the objective but nearer to the later
  • the outer component of the objective is a double-convex lens of crown glass
  • the inner component of the objective is a flint glass, convexo-concave
  • all the above.
Q.46

In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in

  • north-west quadrant
  • north east quadrant
  • south-east quadrant
  • south-west quadrant.
Q.47

While measuring with a metallic tape ofm length pull should be applied

  • 1 kg
  • 2 kg
  • 3 kg
  • 4 kg
Q.48

For high sensivity of the bubble tube

  • a liquid of low viscosity is used
  • a liquid of low surface tension is used
  • the bubble space should be long
  • the bubble tube should not be too narrow
  • all the above.
Q.49

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

  • repetition
  • reiteration
  • double observations
  • exactness.
Q.50

Pick up the wrong statement from the following :

  • the diaphragm is placed between the eyepiece and the objective but nearer to the former
  • the diaphragm is placed between the eyepiece and the objective but nearer to the later
  • the outer component of the objective is a double-convex lens of crown glass
  • the inner component of the objective is a flint glass, convexo-concave
  • all the above.
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