Surveying and Levelling MCQ

Civil engineering MCQ and surveying and leveling MCQ for competitive exam.

A. W 90°

B. N 90° W

C. 90° W

D. S 90° W

C. 90° W

Q. 2 Pick up the correct statement from the following:

A. The fifth tag from either end of the chain is numbered 5

B. The length of the brass handle is included in the length of chain

C. The handles are on swivel joints to prevent twisting of the chain

D. All the above

D. All the above

A. Traversing

C. Intersection

D. Resection

D. Resection

Q. 4 Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as

B. City surveys

C. Topographical surveys

D. Guide map surveys

C. Topographical surveys

A. Setting

B. Levelling

C. Centering

D. Orientation

D. Orientation

Q. 6 Pick up the correct statement from the following:

A. At the end of the tenth chain length, the two chain men meet and the ten arrows are handed over to the leader

B. 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

C. The follower of the chaining operation should be more experienced than the leader

D. All the above

D. All the above

Q. 7Pick up the correct statement from the following:

A. In astronomical telescope, the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce a real inverted image in front of the eye piece

B. A line passing through the optical centre of the objective traversing through the eyepiece, is called line of sight

C. In Galileo’s telescope, the rays from the object get refracted at the objective and are intercepted by the eyepiece before a real image is formed

D. All the above

D. All the above

A. Two

B. One

C. Three

D. Four

C. Three

Q. 9 Total latitude of a point is positive if it lies

A. East of the reference parallel

B. West of the reference parallel

C. North of the reference parallel

D. South of the reference parallel

C. North of the reference parallel

A. 1°43′ 38″

B. 1°43′ 28″

C. 1°43′ 08″

D. 1°43′ 18″

B. 1°43′ 28″

Q. 11 Under ordinary conditions, the precision of a theodolite traverse is affected by

A. Systematic linear errors

B. Systematic angular errors

C. Accidental linear errors

D. Accidental angular errors

A. Systematic linear errors

Q. 12The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every

A. 200 sq. km of area

B. 100 sq. km of area

C. 150 sq. km of area

D. None of these

A. 200 sq. km of area

Q. 13 An angle of deflection right, may be directly obtained by setting the instrument to read

A. 90°

B. Zero on back station

C. 180° on back station

D. 270° on back station

B. Zero on back station

Q. 14 Location of contour gradient for a high way is best set out from

A. Bottom to the ridge

B. Ridge down the hill

Q. 15 Setting out a curve by two theodolite method, involves

A. Both linear and angular measurements

B. Linear measurements only

C. Angular measurements only

D. None of these

C. Angular measurements only

Q. 16 Direct method of contouring is

Most accurate method

B. A quick method

C. Adopted for large surveys only

D.

B. Fat lime

A. 90°

B. 120°

C. 45°

D. 60°

C. 45°

Q. 18 If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on

A. Staff vertical

B. Staff normal

C. Staff normal as well as vertical

D. None of these

B. Staff normal

A. 25.05

B. 28.8 sec

C. 14.52 sec

D. 41.25 sec

D. 41.25 sec

Q. 20 On a diagonal scale, it is possible to read up to

A. Three dimensions

B. One dimension

C. Two dimensions

D. Four dimensions

A. Three dimensions

Q. 21 Reduced bearing of a line is an angle between

A. North line and given line measured clockwise

B. North line and given line measured anticlockwise

C. East or west and the given line

D. Given line and the part of the meridian whether N end or S end, lying adjacent to it

D. Given line and the part of the meridian whether N end or S end, lying adjacent to it

Q. 22 In horizontal angles, the error due to imperfect levelling of the plate bubble is

A. Less for steeply inclined sights

B. Large when sights are nearly level

C. Large for long sights

D. Large for steeply inclined sights

D. Large for steeply inclined sights

Q. 23 If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping

A. It is not possible to set offsets correctly on west side

B. It is possible to set offsets correctly on east side

C. It is possible to set offsets correctly on east side

D. It is possible to set offsets correctly on both sides

D. It is possible to set offsets correctly on both sides

A. 3 m

B. ½ m

C. 1 m

D. 2 m

B. Fat lime

Q. 25 With the rise of temperature, the sensitivity of a bubble tube

A. Increases

B. Decreases

C. Remains unaffected

D. None of the above

B. Decreases

Q. 26 Flint glass

A. And crown glass proportions yield the required focal length and neutralise the dispersion produced by the convex lens at the emergence from the concave

B. Has slightly the greater refracting power than crown glass

C. Has roughly double refracting power than that of crown

D. All the above

D. All the above

Q. 27 The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as

A. Axis of the telescope

B. Line of sight

C. Line of collimation

D. None of these

B. Fat lime

Q. 28 During levelling if back sight is more than foresight

A. The difference in level, cannot be ascertained

B. The forward staff is at lower point

C. The back staff is at lower point

D. None of these

C. The back staff is at lower point

Q. 29 Pick up the correct statement from the following:

A. Standing on the tripod is the levelling head or trib arch

B. The levelling screws are used to tilt the instrument so that its rotation axis is truly vertical

C. The tangent screw enables to give small movement under conditions of smooth and positive control

D. All the above

D. All the above

Q. 30 Closed contours, with higher value inwards, represent a

A. Plain surface

B. Depression

C. Hillock

D. None of the above

C. Hillock

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