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. 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

2 / 50

2. Revolving of the telescope of a theodolite in a horizontal plane is

a) transiting

b) swinging

c) face right

d) face left

3 / 50

3. Distomats is a type of

a) direct distance measuring instrument

b) optical distance measuring instrument

c) electromagnetic distance measuring instrument

d) none of the above

4 / 50

4. The accuracy of measurement in chain surveying does not depend upon

a) the length of the offset

b) the scale of the plotting

c) the importance of the features

d) the general layout of the chain lines

5 / 50

5. A level line is a

a) line parallel to the mean spherical surface of the earth

b) line normal to the plumb line at all points

c) horizontal line

d) both (a) and (b) of the above

6 / 50

6. 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

7 / 50

7. A river is an obstacle to

a) ranging but not chaining

b) chaining but not ranging

c) both chaining and ranging

d) none of the above

8 / 50

8. Prolongation of a chain line across an obstruction in chain surveying is done by

a) drawing perpendiculars with a chain

b) making angular observations

c) solution of triangles

d) all the above methods

9 / 50

9. Isogonic lines are

a) line passing through the points having the same declination at a given point

b) line passing through the point of zero declination

c) line passing through the point having the same dip

d) line passing through the point having zero dip

10 / 50

10. 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

11 / 50

11. 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

12 / 50

12. An operation for determining the relative elevations of different points on the surface of the earth is known as

a) leveling

b) simple leveling

c) differential leveling

d) longitudinal leveling

13 / 50

13. 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

14 / 50

14. Instrumental error in leveling is an error due to

a) imperfect adjustment

b) sluggish bubble

c) movement of the objective slide

d) all of the above

15 / 50

15. *When it is not possible to set up the level, midway between the two points, then the difference in elevation between them is measured by

a) fly leveling

b) precise leveling

c) differential leveling

d) reciprocal leveling

16 / 50

16. Secular variation is an important factor because

a) the variation is due to seasonal changes

b) the magnitude of variation is of a high order, and the needle after coming to a standstill may move in the opposite direction

c) the needle will stop

d) the variation is less

17 / 50

17. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

18 / 50

18. The foremost work to be executed while traversing with a compass is

a) marking and referencing of stations

b) running survey lines

c) picking up of details

d) reconnaissance

19 / 50

19. The two-point problem and three-point problems are methods of:

a) orientation

b) resection

c) orientation and resection

d) none of the above

20 / 50

20. 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

21 / 50

21. The types of leveling used for Geodetic survey is

a) fly leveling

b) precise leveling

c) profile leveling

d) none of the above

22 / 50

22. A series of closed contour lines on the map with higher to lower values inside them represent a

a) hill

b) ridge

c) depression

d) steep slope

23 / 50

23. The levelling head of a transit theodolite consists of

a) parallel plates

b) a tribarch plate

c) leveling screws

d) all of the above

24 / 50

24. Local attraction in compass surveying may be due to

a) faulty adjustment in the compass

b) the presence of magnetic materials

c) loss of magnetism in the needle

d) friction of the needle at the point

25 / 50

25. Handles are connected to the link by

a) flexible joint

b) rigid joint

c) swivel joint

d) ball and socket joint

26 / 50

26. Azimuth (direct angles) is an angle measured in

a) c.w. direction

b) a.c.w. direction

c) both

d) none of the above

27 / 50

27. 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

28 / 50

28. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

a) 15'

b) 15"

c) no such limit

d) 1°

29 / 50

29. In profile leveling, staff readings on two neighboring pegs 20m apart are 1.200 and 1.00, respectively. Therefore, the proposed road has a

a) rising gradient of 1 in 100

b) falling gradient of 1 in 100

c) rising gradient of 1 in 20

d) falling gradient of 1 in 20

30 / 50

30. Normal tension is that pull which

a) neutralizes the effect due to pull and sag

b) makes sag correction zero

c) makes pull correction zero

d) none of the above

31 / 50

31. A building is an obstacle to

a) chaining but not ranging

b) ranging but not chaining

c) both chaining and ranging

d) none of the above

32 / 50

32. The Normal chord of a curve should be

a) less than sub chord

b) equal to sub chord

c) greater than sub chord

d) all of the above

33 / 50

33. The main difference between theodolite and level is:

a) the power of the theodolite is always greater than the level

b) level is cheaper than theodolite

c) level can't measure horizontal angle, but theodolite can measure horizontal angle

d) in level, the telescope can't be revolved in a vertical plane about the horizontal axis of the telescope

34 / 50

34. If the needle is truly magnetic and is not sluggish

a) it will always be oscillating and never stop

b) when it stops, it will be exactly on the magnetic meridian

c) it will always be free from local attraction

d) all of the above

35 / 50

35. 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

36 / 50

36. In a survey, it was recorded that Σrise = 0, then

a) the ground is sloping

b) it is continuously rising

c) it is continuously falling

d) the survey had many inverts

37 / 50

37. When several contours coincide, it indicates

a) an overhanging

b) a saddle

c) a valley

d) a vertical cliff

38 / 50

38. You are requested to carry out a survey for the construction of a small airport in a mountainous region of Nepal. Which of the following surveying method will you choose?

a) plane tabling

b) chain surveying

c) leveling

d) tacheometric surveying

39 / 50

39. The image of the objectives formed should lie

a) at the eyepiece

b) in the plane of cross hairs

c) at the center of the eyepiece

d) at the optical center of the eyepiece.

40 / 50

40. *Due to the curvature of the earth, objects look

a) higher than they really are

b) lower than they really are

c) at their real height

d) all of the above

41 / 50

41. The difference between the most probable value of a quantity and its observed value is

a) conditional error

b) true error

c) residual error

d) safe error

42 / 50

42. Level surface is parallel to

a) horizontal surface

b) vertical surface

c) datum surface

d) none of the above

43 / 50

43. The size of the plane table is:

a) 600 x 750mm

b) 450 x 750mm

c) 450 x 800mm

d) 3.35 x 500mm

44 / 50

44. Butt rods are used for measuring

a) baseline

b) tie line

c) offset distance

d) vertical distance

45 / 50

45. Plane table surveying is a graphical method of surveying in which:

a) fieldwork and plotting proceed simultaneously

b) plotting is done later while records are taken in the field book

c) only fieldwork is done

d) none of the above

46 / 50

46. 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

47 / 50

47. A 20 cm theodolite means

a) the length of the theodolite is 20 cm

b) the diameter of the lower plate is 20 cm

c) the diameter of the upper plate is 20 cm

d) the total height of the theodolite plate is 20 cm

48 / 50

48. If the observed reading of a level staff is 3.83m, and at the point sighted the staff is 0.15m off from the vertical through the bottom, the correct reading will be

a) 3.827m

b) 3.83m

c) 3.834m

d) 3.384m

49 / 50

49. True meridians

a) are parallel to each other

b) converge at a point called pole

c) converge near the equator

d) none of the above

50 / 50

50. *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

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