**On This Page**

This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 1

Q1 | During chaining along a straight line, the . leader of the party has 4 arrows in his hand while the follower has 6. Distance of the follower from the starting point is

- 4 chains
- 6 chains
- 120 m
- 180m

Q2 | A metallic tape is made of

- steel
- invar
- linen
- cloth and wires

Q3 | For a well-conditioned triangle, no angle should beless than

- 20°
- 30°
- 45°
- 60°

Q4 | The angle of intersection of the two plane mirrors ofan optical square is

- 30°
- 45°
- 60°
- 90°

Q5 | The allowable length of an offset depends upon the

- degree of accuracy required
- method of setting out the perpendiculars and nature of ground
- scale of plotting
- all of the above

Q6 | Which of the following angles can be set out with the help of French cross staff?

- 45° only
- 90° only
- either 45° or 90°
- any angle

Q7 | Which of the following methods of offsets involves less measurement on theground?

- method of perpendicular offsets
- method of oblique offsets
- method of ties
- all involve equal measurement on the ground

Q8 | The permissible error in chaining for measurement with chain on rough or hillyground is

- 1 in 100
- 1 in 250
- 1 in 500
- 1 in 1000

Q9 | The correction for sag is

- always additive
- always subtractive
- always zero
- sometimes additive and sometimes subtractive

Q10 | Cross staff is an instrument used for

- measuring approximate horizontal angles
- setting out right angles
- measuring bearings of the lines
- none of the above

Q11 | Normal tension is that pull which

- is used at the time of standardising the tape
- neutralizes the effect due to pull and sag
- makes the correction due to sag equal to zero
- makes the correction due to pull equal to zero

Q12 | Which of the following is not used in measuring perpendicular offsets ?

- line ranger
- steel tape
- optical square
- cross staff

Q13 | If the length of a chain is found to be short on testing, it can be adjusted by

- straightening the links
- removing one or more small circular rings
- closing the joints of the rings if opened out
- all of the above

Q14 | The maximum tolerance in a 20 m chain is

- ±2 mm
- ±3 mm
- ±5 mm
- ±8 mm

Q15 | For accurate work, the steel band should always be used in preference to chainbecause the steel band

- is lighter than chain
- is easier to handle
- is practically inextensible and is not liable to kinks when in use
- can be easily repaired in the field

Q16 | The length of a chain is measured from

- centre of one handle to centre of other handle
- outside of one handle to outside of other handle
- outside of one handle to inside of other handle
- inside of one handle to inside of other handle

Q17 | Select the incorrect statement.

- The true meridians at different places are parallel to each other.
- The true meridian at any place is not variable.
- The true meridians converge to a point in northern and southern hemispheres.
- The maps prepared by national survey departments of any country are based on true meridi

Q18 | If the true bearing of a line AB is 269° 30?, then the azimuthof the line AB is

- 0° 30?
- 89° 30?
- 90° 30?
- 269° 30?

Q19 | In the prismatic compass

- the magnetic needle moves with the box
- the line of the sight does not move with the box
- the magnetic needle and graduated circle do not move with the box
- the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

Q20 | For a line AB

- the forebearing of AB and back bearing of AB differ by 180°
- the forebearing of AB and back bearing of BA differ by 180°
- both (a) and (b) are correct.
- none is correct

Q21 | Local attraction in compass surveying may exist due to

- incorrect levelling of the magnetic needle
- loss of magnetism of the needle
- friction of the needle at the pivot
- presence of magnetic substances near the instrument

Q22 | In the quadrantal bearing system, a whole circle bearing of 293° 30? can be expressed as

- W23°30’N
- N66°30’W
- S113°30’N
- N23°30’W

Q23 | The prismatic compass and surveyor’s compass

- give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
- both give QB of a line and WCB of a line
- both give QB of a line
- both give WCB of a line

Q24 | The horizontal angle between the true meridian and magnetic meridian at aplace is called

- azimuth
- declination
- local attraction
- magnetic bearing

Q25 | A negative declination shows that the magnetic meridian is to the

- eastern side of the true meridian
- western side of the true meridian
- southern side of the true meridian
- none of the above