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. The spacing of crosshairs in a stadia diaphragm of a tacheometer is 1.5mm, and the focal length of the objective glass is 30cm, the multiplying constant of the tacheometer is

a) 200

b) 100

c) 50

d) 25

2 / 50

2. Chainage is the distance measured

a) along a chain line

b) perpendicular to a chain line

c) perpendicular to a tie line

d) none of the above

3 / 50

3. Which one is wrong?

a) anallatic lens is not a concave lens

b) anallatic lens is a convex lens

c) anallatic lens is used to eliminate the additive constant

d) none of the above

4 / 50

4. The angle of intersection of a curve is the angle between

a) forward tangent and long chord

b) back tangent and long chord

c) back tangent and forward tangent

d) none of the above

5 / 50

5. Size of a theodolite is specified by

a) the diameter of the lower plate

b) the diameter of the upper plate

c) the length of the telescope

d) the diameter of the vertical circle

6 / 50

6. The shape of the vertical curve generally used is

a) circular

b) parabolic

c) spiral

d) elliptical

7 / 50

7. The process of turning the telescope about the vertical axis in a horizontal plane is known as

a) reversing

b) transiting

c) plunging

d) swinging

8 / 50

8. 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

9 / 50

9. Butt rods are used for measuring

a) baseline

b) tie line

c) offset distance

d) vertical distance

10 / 50

10. "Cross-sectioning" and "Longitudinal sectioning" is

a) when less number of intermediate sights exist

b) in profile leveling

c) in reciprocal leveling

d) in differential leveling

11 / 50

11. Closed contours with higher value inside represent a

a) depression

b) hill

c) plain surface

d) none

12 / 50

12. Pick up the odd statement

a) temporary adjustment of Dumpy level are to be performed at every setup

b) the eyepiece need not be adjusted after the first setup when the same surveyor is taking readings

c) parallax error is completely eliminated when there is no change in the staff reading when the eye is moved up and down

d) focus the objective towards a white or bright background for the clear visibility of crosshairs

13 / 50

13. 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

14 / 50

14. The errors due to bad ranging are

a) cumulative positive

b) cumulative negative

c) compensating

d) cumulative positive or negative

15 / 50

15. 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

16 / 50

16. 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

17 / 50

17. The boundary of water of a still lake is

a) level surface

b) contour

c) horizontal surface

d) concave surface

18 / 50

18. The length of an Engineer's chain is

a) 70 ft

b) 80 ft

c) 90 ft

d) 100 ft

19 / 50

19. The orientation of the table is done by

a) magnetic needle

b) back sighting

c) both (a) and (b) of above

d) none of the above

20 / 50

20. Find the contour interval for the map, 1: 25000 in IS & FPS

a) 4m & 20.70ft

b) 6m & 19.70ft

c) 3m & 20.70ft

d) 5m & 19.70ft

21 / 50

21. When a chain line encounters a river:

a) chaining is obstructed, but ranging is free

b) ranging is obstructed, chaining is free

c) both ranging and chaining are obstructed

d) both ranging and chaining are free

22 / 50

22. 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

23 / 50

23. If the station A and B are equally affected and in the different direction, then the difference between the forebearing and back bearing of a line AB should be

a) 180°

b) 200°

c) 220°

d) may any of the above

24 / 50

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 / 50

25. Height of instrument method of leveling, as compared to the rise and fall method, is

a) more accurate

b) less accurate

c) quicker and less tedious

d) none of the above

26 / 50

26. Ten readings were recorded in a level field book. If the instrument was shifted after the 2nd and 6th readings, then the foresight readings are

a) 1st, 2nd, and 7th readings

b) 2nd, 6th, and 10th readings

c) 2nd and 6th readings.

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

27 / 50

27. Offset angle taken in chain survey may be

a) 45°

b) 90°

c) 135°

d) any of the above

28 / 50

28. 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

29 / 50

29. A chain is made up of mild steel or galvanized iron wire of diameter

a) 1 mm

b) 3 mm

c) 5 mm

d) 7 mm

30 / 50

30. Limiting the length of offset depends upon

a) accuracy desired

b) scale of plotting

c) nature of the ground

d) all of the above

31 / 50

31. 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

32 / 50

32. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

a) 100m

b) 150m

c) 300m

d) 75m

33 / 50

33. Two contour lines, having the same elevation

a) can't cross each other

b) can cross each other

c) can't unite together

d) can unite together

34 / 50

34. If the staff is held vertical and the angle of elevation and depression are kept the same, then the horizontal distance between the instrument and staff station computed by observation will be

a) greater at an angle of elevation

b) greater at an angle of depression

c) same in both cases

d) none of the above

35 / 50

35. In trigonometrical leveling, the combined correction is given by (where m=coefficient of refraction)

a) d^2/ 2R

b) (1-2m) d^2 / 2R

c) 0.0673 d^2

d) none of the above

36 / 50

36. 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

37 / 50

37. A bearing noted N45° E represents

a) quadrantal system

b) whole circle system

c) none of the above

d) reduce bearing system

38 / 50

38. In the whole circle system, the bearings are measured

a) clockwise from the north point of the reference meridian towards the line of sight round the circle

b) anticlockwise from the north point

c) with the notations of cardinal points N, E, S & W

d) none of the above

39 / 50

39. *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

40 / 50

40. In the direct method of contouring, the process of locating points lying on a contour is known as

a) horizontal control

b) vertical control

c) ranging

d) none of the above

41 / 50

41. With the help of leveling, we measure

a) horizontal angle

b) vertical angle

c) deflection angle

d) none of the above

42 / 50

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

a) straight

b) circular

c) parabolic

d) elliptic

43 / 50

43. In compass surveying

a) the direction and lengths of the survey line are measured by compass

b) the direction is measured by the compass

c) length is measured by the chain or tape

d) both (b) and (c) of above

44 / 50

44. Short offsets are measured with

a) an ordinary chain

b) an invar tape

c) a metallic tape

d) a steel tape

45 / 50

45. The last reading of leveling is always at

a) back sight

b) fore sight

c) intermediate sight

d) any of the above

46 / 50

46. Local attraction at a place may be due to

a) key bunches

b) steel buttons

c) current-carrying base wire

d) electric storm

47 / 50

47. *Total station measures

a) horizontal & slope distance

b) slope & difference in level

c) difference in level & coordinates

d) all of the above

48 / 50

48. Automatic level has advantages of

a) high precision and external influence

b) freedom from errors and external influence

c) comfortable and has a large range of application

d) all of the above

49 / 50

49. Angle of 45° with the chain line may be set out with

a) optical square

b) prismatic square

c) open cross-staff

d) French cross-staff

50 / 50

50. 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

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