Surveying MCQ Practice Questions (Civil Engineering) Set 4

A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is:


A.


B.


C.


D.


E.


Options are :

  • E
  • D
  • B
  • A
  • C

Answer :E

Number of subdivisions per metre length of a levelling staff is:


Options are :

  • 500
  • 1000
  • 200
  • 100

Answer :200

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


Options are :

  • Traverse base
  • A base
  • Traverse leg
  • All the above

Answer :Traverse base

Surveying MCQ Practice Questions (Civil Engineering) Set 5

While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance:


Options are :

  • 20 (cosec ? - 1)
  • 20 (sin ? - 1)
  • 20 (sec ? - 1)
  • 20 (cos ? - 1)

Answer :20 (sec ? - 1)

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


Options are :

  • Reduced levels
  • Fore sights
  • Back sights
  • Intermediate sights

Answer :Intermediate sights

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


Options are :

  • To chain pins
  • All the above
  • To a target fixed on theodolite tripod on which theodolite may be fitted easily
  • By using optical system for centering the theodolite

Answer :To a target fixed on theodolite tripod on which theodolite may be fitted easily

Surveying MCQ Practice Questions (Civil Engineering) Set 6

If L is the specified length of a tape, L1 its actual length and S the measured distance, then, the true distance is given by the formula:


A.


B.


C.


D.


Options are :

  • B
  • D
  • A
  • C

Answer :A

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


Options are :

  • None of these
  • Square of the degree of the curve
  • Inverse of the degree of the curve
  • Degree of the curve

Answer :Degree of the curve

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


Options are :

  • Resolving power of telescope
  • Magnification of telescope
  • None of these
  • Brightness of telescope

Answer :Resolving power of telescope

Surveying MCQ Practice Questions (Civil Engineering) Set 7

A well conditioned triangle has no angle less than:


Options are :

  • 60
  • 45
  • 30
  • 20

Answer :30

Two contour lines, having the same elevation:


Options are :

  • Can cross each other
  • Can unite together
  • Cannot unite together
  • Cannot cross each other

Answer :Can unite together

Surveying MCQ Practice Questions (Civil Engineering) Set 8

If ? is the angle of deflection of a simple curve of radius R, the length of its long chord, is:


A.

R cos


B.

2R cos


C.

R sin


D.

2R sin


Options are :

  • D
  • A
  • B
  • C

Answer :D

In geodetic surveys higher accuracy is achieved, if:


Options are :

  • Angles between the curved lines are treated as plane angles
  • Curvature of the earth surface is taken into account
  • Curvature of the earth surface is ignored
  • None of these

Answer :Curvature of the earth surface is taken into account

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:


Options are :

  • Back bearing of the forward line
  • Azimuth of the forward line
  • Equal to 360-azimuth of the forward line
  • Bearing of the. forward line

Answer :Azimuth of the forward line

Surveying MCQ Practice Questions (Civil Engineering) Set 9

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


Options are :

  • Level surface
  • Horizontal surface
  • Geoid surface
  • Mean sea level

Answer :Geoid surface

The radius of a simple circular curve is 300 m and length of its specified chord is 30 m. The degree of the curve is:


Options are :

  • 5.37
  • 3.57
  • 5.73
  • 3.75

Answer :5.73

Pick up the correct statement from the following:


Options are :

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

Answer :All the above

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


Options are :

  • A saddle
  • An over hanging cliff
  • An inclined plane
  • A vertical cliff

Answer :An over hanging cliff

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


A.


B.


C.

V =

[A1 + An + 2(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)]


D.

V =

[A1 + An + 4(A2 + A4 + ... + An - 1) + 4(A3 + A5 + ... + An - 2)]


Options are :

  • A
  • C
  • D
  • B

Answer :A

In case of a direct vernier scale:


Options are :

  • Smallest division is longer than smallest division of the main scale
  • None of these
  • Graduations increase in opposite direction in which graduations of the main scale increase
  • Graduations increase in the same direction in which graduations of the main scale increase

Answer :Graduations increase in the same direction in which graduations of the main scale increase

Surveying MCQ Practice Questions (Civil Engineering) Set 1

During levelling if back sight is more than foresight:


Options are :

  • The forward staff is at lower point
  • The back staff is at lower point
  • None of these
  • The difference in level, cannot be ascertained

Answer :The back staff is at lower point

Permanent adjustments of a level are:


Options are :

  • 4 in number
  • 3 in number
  • 6 in number
  • 2 in number

Answer :2 in number

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


Options are :

  • 27 52'
  • 96 58'
  • 148 08'
  • 186 58'

Answer :96 58'

Surveying MCQ Practice Questions (Civil Engineering) Set 10

Pick up the correct statement from the following:


Options are :

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

Answer :All the above

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


Options are :

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

Answer :Draw short rays sufficient to contain the points sought

The lens equation

is applicable:


Options are :

  • The computed quantities are accurate enough for geometrical optics of simple distances
  • When the thickness of the lens is small
  • All the above
  • Only to conjugate distances along the principal axis

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 11

In case of a double line river, contours are:


Options are :

  • Stopped at the banks of the river
  • Drawn across the water
  • Stopped at the edge of the river
  • Drawn by parabolic curves having their vertex at the centre of the water

Answer :Stopped at the edge of the river

Correction per chain length of 100 links along a slope of ? radians, is:


Options are :

  • 100 ?^(2)
  • 100 ?^(3)
  • 100 ?^(-1)
  • 100 ?

Answer :100 ?

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


Options are :

  • By drawing contours at small interval
  • By giving spot levels to salient features at close interval
  • By drawing contours at large interval
  • By giving spot levels at large interval

Answer :By giving spot levels to salient features at close interval

Surveying MCQ Practice Questions (Civil Engineering) Set 13

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


Options are :

  • Longitudinal levelling
  • Differential levelling
  • Simple levelling
  • Levelling

Answer :Differential levelling

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