Surveying Online Test - Paper 3 » Winning Questions

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Vikash chaudhary

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Total Questions: 50
Time Allotted: 50 minutes
Passing Score: 70%
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1 / 30

1. In a closed traverse,

a) the difference between the fore-bearing and back bearing should be 90°

b) the sum of included angles should be (2N-4) right angles, where N is the number of sides

c) the sum of included angles should be (2N-1), where N is the number of sides

d) none of the above

2 / 30

2. In the case of a telescopic alidade, the adjustment done is

a) the line of collimation should be perpendicular to the axis of the telescope

b) the horizontal axis should be parallel to the alidade rule

c) the bubble line of the telescope level should be parallel to the plane of collimation

d) all of the above

3 / 30

3. The correction for curvature as applied to staff reading is

a) d² / 2R

b) -d² / 2R

c) d² / R

d) -d² / R

4 / 30

4. Level surface is parallel to

a) horizontal surface

b) vertical surface

c) datum surface

d) none of the above

5 / 30

5. The function of the leveling head is

a) to attach the theodolite to the tripod

b) to provide a bearing for the outer hollow spindle

c) to provide a means of leveling the instrument

d) all of the above

6 / 30

6. 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°

7 / 30

7. The maximum number of omitted measurements that can be calculated from latitudes and departures of a closed traverse is

a) one

b) two

c) three

d) four

8 / 30

8. For accurate work, in comparison to the chain, the steel band is used because it

a) is light in weight

b) is easy to handle

c) is practically inextensible

d) all of the above

9 / 30

9. In a double-line river, contours are

a) stopped at the bank of the river

b) stopped at the edge of the river

c) drawn across the water

d) none of the above

10 / 30

10. Under Survey, "working from whole to part" is done

a) to prevent the accumulation of error

b) to localize the error

c) both of the above

d) none of the above

11 / 30

11. The quadrantal bearing of a line is determined by:

a) prismatic compass

b) surveyor's compass

c) celestial observations

d) none of the above

12 / 30

12. The principle of surveying to prevent the accumulation of errors is

a) to work from whole to the part

b) to work from part to whole

c) both (a) and (b) above

d) none of the above

13 / 30

13. The strength of fix' is poor when:

a) the station is within the great triangle

b) the station is outside the great circle

c) the station is on the great circle

d) the station is within the great circle but outside the great triangle

14 / 30

14. The instrument used for measuring area on a contour map is

a) graph meter

b) planimeter

c) area meter

d) clinometers

15 / 30

15. If the included angle is less than 180°, the deflection angle is

a) right-handed or positive

b) left-handed or negative

c) 90°

d) none of the above

16 / 30

16. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

a) perpendicular to the vertical axis

b) parallel to the vertical axis

c) parallel to the axis of the bubble tube

d) none of the above

17 / 30

17. The amount of correction due to local attraction at a place

a) is constant for all bearings

b) varies with the bearing

c) changes from time to time

d) sometimes additive and sometimes subtractive

18 / 30

18. The spacing of cross-sections in the indirect method of contouring depends upon

a) character of the ground

b) scale of the map

c) contour intervals

d) all of the above

19 / 30

19. When several contours coincide, it indicates

a) an overhanging

b) a saddle

c) a valley

d) a vertical cliff

20 / 30

20. The absence of chromatic aberration in a telescope is known as

a) achromation

b) crimination

c) aplanation

d) definition

21 / 30

21. Contour interval, within the limits of a map

a) may be kept constant

b) may not be kept constant

c) must be kept constant

d) may vary according to the configuration

22 / 30

22. Which one of the following is not a personal error?

a) the table not being perfectly leveled

b) the table not being perfectly central

c) the table not being perfectly clamped

d) none of the above

23 / 30

23. The angular error of closure or summation error should not exceed (Where N is the number of stations or sides.)

a) 15√N

b) 153√N

c) √N

d) 3√N

24 / 30

24. The method of tacheometry in which the stadia hair intercept is fixed is known as

a) movable hair method

b) fixed hair method

c) tangential hair method

d) substense hair method

25 / 30

25. The prismatic compass and the surveyor's compass respectively give

a) the whole circle bearing of a line & quadrantal bearing

b) both the quadrantal bearing of a line & the whole circle bearing of a line

c) both the whole circle bearing of a line

d) quadrantal & whole circle bearing of a line

26 / 30

26. The type of survey in which horizontal and vertical distance is measured

a) compass

b) tacheometric

c) plane table

d) contour

27 / 30

27. Local attraction at a place may be due to

a) key bunches

b) steel buttons

c) current-carrying base wire

d) electric storm

28 / 30

28. A discrepancy is the difference between

a) true value and error

b) measured value and actual value

c) two measured values of the same quantity

d) none of the above

29 / 30

29. The Q.B of the lines are given by...., ...., & ..... If W.C.B. of the lines are 0°, 135°, 270° respectively

a) S, S45°E, E90°

b) N, N45°W, E90°

c) N, S45°E, E90°

d) N, S45°E, W90°

30 / 30

30. If the needle of the compass is sluggish the type of error will be

a) instrumental error

b) personal error

c) natural error

d) none of the above

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Surveying Online Test – Paper 3

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