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 sensitivity of the bubble tube can be increased by

a) decreasing the radius of curvature of the tube

b) decreasing the length of the bubble

c) increasing the diameter of the tube

d) increasing the viscosity of the fluid

2 / 50

2. The three-point problem is concerned with:

a) chain survey

b) plane table survey

c) compass survey

d) leveling

3 / 50

3. The included angles of the theodolite traverse are generally measured

a) clockwise from the back station

b) clockwise from the forward station

c) anticlockwise from the forward station

d) anticlockwise from the back station

4 / 50

4. The W.C.B of a line is preferred to a quadrantal bearing merely because

a) the bearing is not completely specified by an angle

b) the bearing is completely specified by an angle

c) the sign of the correction of magnetic declination is different in different quadrants

d) all of the above

5 / 50

5. Short offsets are measured with

a) an ordinary chain

b) an invar tape

c) a metallic tape

d) a steel tape

6 / 50

6. Theodolite traverse is plotted more accurately by

a) consecutive ordinate of each section

b) independent coordinates of each section

c) inclined angle & scaling off each traverse leg

d) the tangent method of plotting

7 / 50

7. A curve consists of two areas of different radii bending in the same direction and lying on the same side of their common tangent and their centers being on the same side of the curve is known as a

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

8 / 50

8. 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

9 / 50

9. The rise and fall method of leveling provides a complete check on

a) back sight

b) fore sight

c) intermediate sight

d) all of the above

10 / 50

10. Local attraction at a place may be due to

a) key bunches

b) steel buttons

c) current-carrying base wire

d) electric storm

11 / 50

11. The perpendicular distance of the midpoint of the line from the reference meridian is known as

a) double meridian distance

b) meridian distance

c) departure of the line

d) latitude of the line

12 / 50

12. Actually, which is not the method of plane tabling?

a) radiation

b) intersection

c) resection

d) traversing

13 / 50

13. 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

14 / 50

14. If the focal length of the objective glass is 20cm, and the distance from the object glass to the trunnion axis is 12cm, the additive constant is

a) 0.8m

b) 0.4m

c) 0.32m

d) 0.20m

15 / 50

15. The elevation (BM) of point A is 100 m. Backsight reading at A is 20, and foresight reading at B is 30 m. Find the RL of point B

a) 100m

b) 90m

c) 120m

d) 9130m

16 / 50

16. Permanent adjustment is carried out to

a) set up of the level

b) establish a fixed relationship between its fundamental axes

c) focus the eyepiece

d) focus the object glass

17 / 50

17. The stadia hairs are not used in

a) movable hair method

b) fixed hair method

c) tangential hair method

d) substense hair method

18 / 50

18. The minimum horizontal distance between any two consecutive contours is known as

a) contour line

b) contour interval

c) horizontal equivalent

d) contour gradient

19 / 50

19. 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

20 / 50

20. 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

21 / 50

21. *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

22 / 50

22. 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

23 / 50

23. Overturning of vehicles on a curve can be avoided by using

a) transition curve

b) vertical curve

c) compound curve

d) reverse curve

24 / 50

24. Butt rods are used for measuring

a) baseline

b) tie line

c) offset distance

d) vertical distance

25 / 50

25. *The method of leveling used to carry out the reconnaissance of an area is

a) check leveling

b) fly leveling

c) profile leveling

d) simple leveling

26 / 50

26. The most probable value of an observed quantity available from a given set of observations is the one for which the sum of the square of errors is a minimum. This statement is called

a) the principle of least square

b) the law of errors

c) the principle of square errors

d) none of the above

27 / 50

27. *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

28 / 50

28. The smaller angle which a survey line makes with the true meridian is known as

a) altitude

b) azimuth

c) declination

d) dip

29 / 50

29. 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

30 / 50

30. 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

31 / 50

31. 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°

32 / 50

32. If Θ is the angle of the slope, L is the length of the slope, and H is the difference in elevation between the two ends of the link, then the slope correction will be

a) L sin Θ

b) 2Lsin^2 Θ/2

c) L sin Θ/2

d) 2L sin 2Θ

33 / 50

33. In a tacheometer provided with an anallatic lens, the distance between the object glass and the vertical axis is 15 cm. The focal length of the objective is 15 cm, and that of the anallatic lens is 10 cm. Hence, the distance between the two lenses is

a) 17.5 cm

b) 25 cm

c) 30 cm

d) 40 cm

34 / 50

34. A transition curve introduced between the tangent and the circular curve should

a) have infinite curvature at the junction of straight and transition curve

b) have zero curvature at the junction of straight and transition curve

c) meet the curve tangentially

d) none of the above

35 / 50

35. The representation of general topography of a very flat terrain is possible only

a) by drawing possible only

b) by drawing contours at a large interval

c) by giving spot levels at a large interval

d) by giving spot levels to salient features of close interval

36 / 50

36. 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

37 / 50

37. The strength of the fix of a plane table is:

a) accuracy in centering

b) accuracy in locating the position of the instrument station by taking observations to three stations

c) fixity of the table while solving the two-point problem

d) none of the above

38 / 50

38. Right face and left face readings are taken to

a) get the correct reading

b) eliminate error of trunnion axis not being exactly horizontal

c) eliminate error in the vertical axis

d) eliminate error in the line of collimation

39 / 50

39. 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

40 / 50

40. Find the length of curve if the radius of the curve is 50 m, and the angle of deflection is 60°

a) 52m

b) 104m

c) 34m

d) none of the above

41 / 50

41. The size of the plane table is:

a) 600 x 750mm

b) 450 x 750mm

c) 450 x 800mm

d) 3.35 x 500mm

42 / 50

42. Tacheometry is best suited

a) where chaining is impossible

b) for populous areas

c) in broken grounds

d) for extremely accurate survey

43 / 50

43. The absence of spherical aberration in a telescope is known as

a) achromation

b) crimination

c) aplanation

d) definition

44 / 50

44. 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

45 / 50

45. A scale representing either three units or only one unit and its fractions up to the second place of the decimal point is

a) diagonal scale

b) comparative scale

c) simple vernier

d) shrunk scale

46 / 50

46. 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

47 / 50

47. 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

48 / 50

48. Handles of chains are made of

a) nickel

b) steel

c) copper

d) brass

49 / 50

49. An example of a level surface is

a) surface of earth

b) surface of sea

c) surface of reservoir

d) surface of a still lake

50 / 50

50. 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

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