Surveying Online Test – Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
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1 / 30

1. The process of turning the telescope about the horizontal axis in a vertical plane by a complete revolution is known as

a) reversing

b) transiting

c) plunging

d) all of the above

2 / 30

2. Bench marks are fixed by

a) trigonometric leveling

b) barometric leveling

c) spirit leveling

d) profile leveling

3 / 30

3. The instrument used for centering the plane table accurately is:

a) spirit level

b) trough compass

c) plumbing fork

d) alidade

4 / 30

4. A poor fix of the table is:

a) when the station is within the great triangle

b) when the station is near the great circle

c) when the angle subtended is small

d) all of the above

5 / 30

5. The levelling head of a transit theodolite consists of

a) parallel plates

b) a tribarch plate

c) leveling screws

d) all of the above

6 / 30

6. Subtense bar is an instrument used for the measurement of horizontal distance in

a) undulated areas

b) flat areas

c) mountains

d) all of the above

7 / 30

7. Personal error in leveling occurs due to

a) careless leveling of the instrument

b) bubble not centered

c) staff not held vertical

d) all of the above

8 / 30

8. Positive error is caused if

a) the length of the chain is shorter than the standard

b) the slope and sag corrections are not applied

c) the measurements are made along the incorrectly aligned line

d) all of the above

9 / 30

9. Invar tapes are made of an alloy of

a) nickel and steel

b) copper and steel

c) tin and steel

d) aluminum and steel

10 / 30

10. If the quadrantal bearing of a line is N 35° W, then the whole circle bearing is

a) 325°.

b) 205°.

c) 215°.

d) 315°

11 / 30

11. The scale used to measure and to set out the angles is

a) diagonal scale

b) comparative scale

c) vernier scale

d) scale of chords

12 / 30

12. The resection by a two-point problem as compared to the three-point problem:

a) requires more labor

b) takes less time

c) gives more accurate results

d) none of the above

13 / 30

13. If W is the weight of the chain, L is the span, and P is the tension or pull, the sag correction for the chain will be

a) W^2L^2/24P^2

b) W^2L/24P

c) LW^2/24P^2

d) W^2L^2/24P

14 / 30

14. *Total station is

a) total no. of stations in traverse

b) even/odd no. of stations in traverse

c) optical distance measurement instrument

d) electromagnetic distance measurement instrument

15 / 30

15. Fifteen readings were recorded in a level field book. If the instrument was shifted after the 5th, 10th, and 15th readings, then the foresight readings are

a) 1st, 3rd, and 7th readings

b) 5th, 10th, and 15th readings

c) 2nd and 6th reading

d) 3rd, 4th, 5th, 7th, 8th, 9th, and 10th reading

16 / 30

16. Orientation is the operation of keeping the table at successive stations such that:

a) the position of the table at the station is parallel to the position it occupied at the previous station

b) the position of the station plotted on the sheet is exactly above the corresponding station on the ground

c) the table is brought into a horizontal plane

d) none of the above

17 / 30

17. The process of bringing the vertical circle to the right of the observer is called

a) face left

b) face right

c) changing face

d) all of the above

18 / 30

18. The levels to which the earthwork will have to be carried out is known as

a) finish surface level

b) original G.L

c) formation level

d) depth of cutting

19 / 30

19. The types of instrument generally used in the survey of gravity water supply system are:

a) abney level

b) dumpy level

c) theodolite

d) clinometer

20 / 30

20. If the distance between two points A and B is 1km, the combined correction for curvature and refraction will be

a) 0.673m

b) 0.0673m

c) 1.0673m

d) 1.673m

21 / 30

21. Contours are used to determine

a) intervisibility of points on a contour map

b) area of the drainage basin and capacity of the reservoir

c) quantities of earth work

d) all of the above

22 / 30

22. The line normal to the plumb line is known as

a) horizontal line

b) level line

c) datum line

d) vertical line

23 / 30

23. A 30 m long chain when tested should not show errors exceeding

a) ±2mm per metre and ±5mm overall length

b) ±3mm per metre and ±8mm overall length

c) ±2mm per metre and ±8mm overall length

d) ±5mm per metre and ±2mm overall length

24 / 30

24. The position of a point can be fixed more accurately by

a) perpendicular offset

b) optical square

c) prism square

d) oblique offsets

25 / 30

25. *The correction for refraction is given by

a) 0.0785d^2m

b) 0.0112 d^2m

c) 0.0673 d^2m

d) none of the above

26 / 30

26. Contour lines

a) cross each other

b) end abruptly

c) are uniformly spaced

d) close somewhere

27 / 30

27. Intersection is preferred to radiation when:

a) the lengths are too short

b) it is not possible to measure any distance

c) the points are too far and invisible

d) the points are inaccessible

28 / 30

28. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

29 / 30

29. Which one is the simplest survey?

a) chain survey

b) compass survey

c) plane table survey

d) leveling

30 / 30

30. During leveling staff readings are taken 1.0, 0.8 & 0.6 from consecutive horizontal crosshairs, the staff intercept should be

a) 1.0

b) 0.8

c) 0.6

d) 0.4

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Surveying Online Test – Paper 2

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