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 / 50

1. Choose the correct statement:

a) discrepancy in the difference between two measured values of the same quantity

b) residual error is the difference between a measured quantity and the most probable value

c) variance is the square of the standard deviation

d) all of the above

2 / 50

2. A straight line tangential to the longitudinal curve of the level tube at its center is known as

a) horizontal axis

b) line of collimation

c) bubble line

d) line of right

3 / 50

3. 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

4 / 50

4. Any arbitrarily assumed level line from which vertical distances are measured is known as

a) level line

b) vertical line

c) horizontal line

d) datum line

5 / 50

5. A contour map of the area is essential before proceeding with the construction of

a) a building

b) a swimming pool

c) a dam

d) a bridge

6 / 50

6. To orient a plane table without two inaccessible points, the method generally adopted is:

a) intersection

b) resection

c) radiation

d) two-point problem

7 / 50

7. In chain survey execution, this first step taken is

a) reconnaissance

b) marking station

c) running survey line

d) reference sketches

8 / 50

8. The angle that can be set by a French cross-staff is

a) 45°

b) 90°

c) 45° or 90°

d) none of the above

9 / 50

9. 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

10 / 50

10. The method most suitable for plotting in hilly areas is:

a) radiation

b) resection

c) intersection

d) traversing

11 / 50

11. It is more difficult to obtain good results while measuring the horizontal distance by the stepping method

a) up-hill

b) down-hill

c) in low undulations

d) in plain areas

12 / 50

12. The stadia hairs are not used in

a) movable hair method

b) fixed hair method

c) tangential hair method

d) substense hair method

13 / 50

13. The trunion axis or transverse axis is

a) the axis about which the telescope can be rotated in a vertical plane

b) the axis about which the telescope can be rotated in a horizontal plane

c) also known as the line of collimation

d) none of the above

14 / 50

14. The "point of the curve" of a simple circular curve is

a) point of commencement

b) point of tangency

c) point of intersection

d) all of the above

15 / 50

15. In the stadia method, if k is the multiplying factor, s is the staff intercept, c is the additive constant of the instrument, then the distance equation is given by the expression

a) D = k+cs

b) D=ks+c

c) D=k/s +c

d) none of the above

16 / 50

16. The longitudinal section of the surface of the bubble tube is

a) straight

b) circular

c) parabolic

d) elliptic

17 / 50

17. If the temperature increases, the sensitivity of a bubble tube

a) increases

b) decreases

c) remains constant

d) none of the above

18 / 50

18. The surface of zero elevation around the earth, which is slightly irregular and curved, is known as

a) mean sea level

b) geoid surface

c) level surface

d) horizontal surface

19 / 50

19. The survey which is carried out to determine absolute locations and the direction of any line on the surface of the earth by making observations of heavenly bodies is called

a) hydrographic survey

b) astronomical survey

c) land survey

d) none of the above

20 / 50

20. The errors due to bad ranging are

a) cumulative positive

b) cumulative negative

c) compensating

d) cumulative positive or negative

21 / 50

21. If the included angle is greater than 180°, the deflection angle is

a) right-handed or positive

b) left-handed or negative

c) 90°

d) none of the above

22 / 50

22. In plane table instrument for horizontal & vertical measurement without chaining

a) theodolite

b) tacheometer

c) telescopic alidade

d) compass

23 / 50

23. Contour interval is proportional

a) directly to the scale of the map

b) inversely to the scale of the map

c) directly to the flatness of the ground

d) none of the above

24 / 50

24. The tie line is run through the survey to

a) take off sets for detailed surveying

b) take details of nearby objects

c) check accuracy of work

d) all of the above

25 / 50

25. An invert is taken when the point is

a) having high elevation

b) below the line of sight

c) above the line of sight

d) below ground level

26 / 50

26. Direct distance measurement method is more suitable to measure in

a) hilly area

b) plain area

c) line of sight

d) none of the above

27 / 50

27. The direct method of contouring is

a) very slow method

b) most accurate method

c) suitable for contouring a small area

d) all of the above

28 / 50

28. 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

29 / 50

29. The number of horizontal cross wires in a stadia diaphragm is

a) 1

b) 2

c) 3

d) 4

30 / 50

30. The area of the earth's surface is taken into account only if the extent of the survey is more than

a) 60 sq km

b) 160 sq km

c) 260 sq km

d) 500 sq km

31 / 50

31. The projection of a line on a plane perpendicular to the meridian is known as

a) parallax

b) aberration

c) latitude

d) departure

32 / 50

32. 'SPIRE TEST' is used in the permanent adjustment of theodolite for

a) adjusting the plate levels

b) adjusting the line of sight

c) adjusting the vertical axis

d) adjustment of the horizontal axis

33 / 50

33. Which of the following terms is not associated with leveling:

a) foresight

b) bench mark

c) bearing

d) change point

34 / 50

34. Tellurometer uses

a) light waves

b) radio waves

c) infra waves

d) all of the above

35 / 50

35. While measuring horizontal distance by stepping method we should follow

a) down hill

b) up hill

c) center

d) all of the above

36 / 50

36. *The radius of curvature of the arc of the bubble tube is generally kept

a) 10 m

b) 25 m

c) 50 m

d) 100 m

37 / 50

37. The upgrade road meets with the downgrade road, then the curve formed at the junction is called

a) valley climb

b) entrant curve

c) summit curve

d) all of the above

38 / 50

38. In a constant level tube, the size of the bubble remains constant because the upper wall of the tube has

a) a relatively small radius

b) a relatively large radius

c) a flat surface

d) none of the above

39 / 50

39. 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

40 / 50

40. For a station to be free from local attraction

a) the fore and back bearings of the line should be measured accurately

b) the fore and back bearings of the line should differ by exactly 180°

c) the fore and back bearing of the line should be exactly the same but with opposite signs

d) none of the above

41 / 50

41. 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

42 / 50

42. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

a) s/n

b) s/n-1

c) (s+1)/n

d) (c - 1)s/n

43 / 50

43. The main difference between an optical square and a prism square is

a) no adjustment is required in a prism Square as the angle between the reflecting surfaces is fixed

b) an optical square is more accurate

c) the principle of working is different

d) all of the above

44 / 50

44. Resection is the method employed for:

a) plotting the details

b) locating the instrument station

c) surveying mountainous country

d) all of the above

45 / 50

45. Bench marks are fixed by

a) trigonometric leveling

b) barometric leveling

c) spirit leveling

d) profile leveling

46 / 50

46. 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

47 / 50

47. An anallatic lens is a.... used to remove an additive constant in a tacheometer.

a) convex lens

b) concave lens

c) compound concave and convex lens

d) plain lens

48 / 50

48. *Total station measures

a) horizontal & slope distance

b) slope & difference in level

c) difference in level & coordinates

d) all of the above

49 / 50

49. 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

50 / 50

50. The levelling head of a transit theodolite consists of

a) parallel plates

b) a tribarch plate

c) leveling screws

d) all of the above

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