Surveying MCQ Practice Questions (Civil Engineering) Set 1

Pick up the incorrect statement from the following:


Options are :

  • The straight distance between end points of a suspended tape is reduced by an amount called the sag correction
  • A 100 m tape of cross section 10 mm x 0.25 mm stretches about 10 mm under 5 kg pull
  • While measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length
  • An increase in temperature causes a tape to increase in length and the measured distance is too large

Answer :An increase in temperature causes a tape to increase in length and the measured distance is too large

Surveying MCQ Practice Questions (Civil Engineering) Set 10

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


Options are :

  • 316 10'
  • 348 08'
  • 43 52'
  • 158 28'

Answer :43 52'

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


Options are :

  • 67.2 L^(2) mm
  • 64.5 L^(2) mm
  • None of these
  • 76.3 L^(2) mm

Answer :67.2 L^(2) mm

The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is:


Options are :

  • 502.685 m
  • 501.340 m
  • 504.030 m
  • 502.585 m
  • 501.345 m

Answer :501.340 m

Surveying MCQ Practice Questions (Civil Engineering) Set 11

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


Options are :

  • Bottom to the ridge
  • Ridge down the hill
  • Bottom to the saddle
  • Saddle down the hill

Answer :Saddle down the hill

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


A.


B.


C.


D.

1.5?3


Options are :

  • B
  • C
  • D
  • A

Answer :A

The staff reading at a distance of 80 m from a level with the bubble at its centre is 1.31 m. When the bubble is moved by 5 divisions out of the centre, the reading is 1.39 m

The angular value of the one division of the bubble, is:


Options are :

  • None of these
  • 28.8 secs
  • 41.25 secs
  • 14.52 secs
  • 25.05

Answer :41.25 secs

Surveying MCQ Practice Questions (Civil Engineering) Set 13

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


Options are :

  • S 90 W
  • W 90
  • N 90 W
  • 90 W

Answer :W 90

If ? is the angle of deflection of a simple curve of radius R, the distance between the mid-point of the curve and long chord, is:


A.


B.


C.


D.


Options are :

  • D
  • B
  • A
  • C

Answer :D

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


Options are :

  • Away from the telescope pointing up-hill
  • None of these
  • Towards the telescope pointing up-hill
  • Away from the telescope pointing down hill

Answer :Away from the telescope pointing up-hill

Surveying MCQ Practice Questions (Civil Engineering) Set 3

The constant vertical distance between two adjacent contours, is called:


Options are :

  • Contour gradient
  • Vertical equivalent
  • Horizontal interval
  • Horizontal equivalent
  • Contour interval

Answer :Contour interval

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:


Options are :

  • 105.0 m
  • 104.5 m
  • 104.0 m
  • 105.5 m

Answer :104.5 m

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


Options are :

  • By left hand up side down
  • By right hand upside down
  • By right hand upright
  • By left hand upright

Answer :By left hand upright

Surveying MCQ Practice Questions (Civil Engineering) Set 4

Resolving power of a telescope depends on:


Options are :

  • The diameter of the aperture
  • All the above
  • The pupil aperture of the eye
  • The diameter of the object glass

Answer :All the above

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:


Options are :

  • 0
  • 90
  • 360
  • 180

Answer :360

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:


Options are :

  • Spherical aberration
  • Chromatic aberration
  • Coma
  • Astigmatism

Answer :Chromatic aberration

Surveying MCQ Practice Questions (Civil Engineering) Set 5

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


Options are :

  • 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 east side
  • It is possible to set offsets correctly on both sides

Answer :It is possible to set offsets correctly on both sides

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


Options are :

  • Spherical aberration
  • Chromatic aberration
  • Coma
  • Astigmatism

Answer :Spherical aberration

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:


Options are :

  • D/2m(h1 - h2)
  • D/6m(h1 - h2)^(3)
  • D/6m(h1 + h2)^(2)
  • D/6m(h1 - h2)^(2)
  • D/3m(h1 - h2)

Answer :D/6m(h1 - h2)^(2)

Surveying MCQ Practice Questions (Civil Engineering) Set 6

Stadia techeometry was discovered by James Watt in the year:


Options are :

  • 1870
  • 1770
  • 1900
  • 1670

Answer :1770

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


Options are :

  • Two point problem
  • Intersection
  • Radiation
  • Resection

Answer :Two point problem

In a perfect prismatic compass:


Options are :

  • All the above
  • Needle is always kept sensitive
  • Ends of the needle and pivot are in same vertical and horizontal planes
  • Pivot is vertically over the centre of the graduated circle
  • Magnetic axis and geometric axis of the needle coincide

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 7

While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station

If the scale of the plan is 1 cm = 2 cm, the displacement of the end of the ray in plan from the true position will be:


Options are :

  • 02 cm
  • 0.15 cm
  • 0.1 cm
  • 0.02 cm

Answer :0.15 cm

Planimeter is used for measuring:


Options are :

  • None of these
  • Slope angle
  • Contour gradient
  • Area
  • Volume

Answer :Area

A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is:


Options are :

  • 0.030 m
  • 0.045 m
  • 0.015 m
  • 0.060 m

Answer :0.060 m

Surveying MCQ Practice Questions (Civil Engineering) Set 8

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:


Options are :

  • f/i
  • i/f
  • f/d
  • (f + d)

Answer :f/i

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


Options are :

  • Up-hill
  • In plane areas
  • Down-hill
  • In low undulations

Answer :Up-hill

The included angles of a theodolite traverse, are generally measured:


Options are :

  • Clockwise from the back station
  • Anti-clockwise from the forward station
  • Clockwise from the forward station
  • Anti-clockwise from the back station

Answer :Clockwise from the back station

Surveying MCQ Practice Questions (Civil Engineering) Set 9

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


Options are :

  • Proof lines
  • All of these
  • Tie lines
  • Check clines

Answer :All of these

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:


Options are :

  • 3.275 m
  • 3.290 m
  • 3.300 m
  • 2.790 m

Answer :3.300 m

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