The rise and fall method
A. is less accurate than height of instrument method
B. is not suitable for levelling with tilting levels
C. provides a check on the reduction of intermediate point levels
D. quicker and less tedious for large number of intermediate sights
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A telescope is said to be inverted if its
A. vertical circle is to its right and the bubble of the telescope is down
B. vertical circle is to its right and the bubble of the telescope is up
C. vertical circle is to its left and the bubble of the telescope is down
D. vertical circle is to its left and the bubble of the telescope is up
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Size of a theodolite is specified by
A. the length of telescope
B. the diameter of vertical circle
C. the diameter of lower plate
D. the diameter of upper plate
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If the reduced bearing of a line AB is N 60° W and length is 100 m, then the latitude and departure respectively of the line AB will be
A. +50 m, +86.6 m
B. +86.6 m, -50 m
C. +50 m, -86.6 m
D. +70.7 m, -50 m
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A lemniscate curve between the tangents will be transitional throughout if the polar deflection angle of its apex, is
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A plate parallel is the line on the plane of the negative
A. Parallel to the principal line
B. Perpendicular to the principal line
C. Along the bisector of the angle between the principal line and a perpendicular line through principal plane
D. None of these
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At eastern elongation, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
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At upper culmination, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
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At western elongation, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
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At lower culmination, the pole star moves
A. Eastward
B. Westward
C. Northward
D. Southward
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The instrument used for accurate centering in plane table survey is
A. spirit level
B. alidade
C. plumbing fork
D. trough compass
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The great circle along which the sun appears to trace on the celestial sphere with earth as centre during the year, is called
A. Equator
B. Celestial equator
C. Ecliptic
D. None of these
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The methods used for locating the plane table stations are i) radiation ii) traversing iii) intersection iv) resection The correct answer is
A. (i) and (ii)
B. (iii) and (iv)
C. (ii) and (iv)
D. (i) and (iii)
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Pick up the correct statement from the following:
A. The star's movement is apparent due to the actual steady rotation of the earth about its axis
B. The stars move round in circular concentrated parts
C. The centre of the circular paths of stars is the celestial pole
D. All the above
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Pick up the correct statement from the following:
A. The sun's right ascension increases for 0 h to 24 h when it returns to the First point of Aries
B. The maximum declination of the sun increases up to 23 2 1 ∘ N on about 21st June
C. The minimum declination of the sun is zero on 22nd September
D. the maximum declination of the sun is about 23 2 1 ∘ S on 21st December
E. All the above
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The graduations in prismatic compass i) are inverted ii) are upright iii) run clockwise having 0° at south iv) run clockwise having 0° at north The correct answer is
A. (i) and (iii)
B. (i) and (iv)
C. (ii) and (iii)
D. (ii) and (iv)
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The correction for sag is
A. always additive
B. always subtractive
C. always zero
D. sometimes additive and sometimes subtractive
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The point on the photograph where bisector between the vertical line through optical centre of the camera lens and the plate perpendicular meets, is known as
A. Principal point
B. Isocenter
C. Plumb point
D. Perspective centre
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The two point problem and three point problem are methods of
A. resection
B. orientation
C. traversing
D. resection and orientation
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Which of the following angles can be set out with the help of French cross staff?
A. 45° only
B. 90° only
C. Either 45° or 90°
D. Any angle
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