Civil Bhai

Question No. 41
Which of the following statements is incorrect?
(A) Error due to refraction may not be completely eliminated by reciprocal levelling
(B) Tilting levels are commonly used for precision work
(C) The last reading of levelling is always a foresight
(D) All of the above statements are incorrect
Answer: Option D

Question No. 42
In levelling operation,
(A) The first sight on any change point is a back sight
(B) The second sight on any change point is a fore sight
(C) The line commences with a fore sight and closes with a back sight
(D) The line commences with a back sight and closes with a foresight
Answer: Option D

Question No. 43
The length of a traverse leg may be obtained by multiplying the latitude and
(A) Secant of its reduced bearing
(B) Sine of its reduced bearing
(C) Cosine of its reduced bearing
(D) Tangent of its reduced bearing
Answer: Option A

Question No. 44
While working on a plane table, the correct rule is:
(A) Draw continuous lines from all instrument stations
(B) Draw short rays sufficient to contain the points sought
(C) Intersection should be obtained by actually drawing second rays
(D) Take maximum number of sights as possible from each station to distant objects
Answer: Option B

Question No. 45
The vertical angle between longitudinal axis of a freely suspended magnetic needle and a
horizontal line at its pivot, is known
(A) Declination
(B) Azimuth
(C) Dip
(D) Bearing
Answer: Option C

Question No. 46
In the cross-section method of indirect contouring, the spacing of cross-sections depends upon
(i) Contour interval
(ii) Scale of plan
(iii)Characteristics of ground
The correct answer is
(A) Only (i)
(B) (i) and (ii)
(C) (ii) and (iii)
(D) (i), (ii) and (iii)
Answer: Option D

Question No. 47
Transition curves are introduced at either end of a circular curve, to obtain
(A) Gradually decrease of curvature from zero at the tangent point to the specified quantity at
the junction of the transition curve with main curve
(B) Gradual increase of super-elevation from zero at the tangent point to the specified amount
at the junction of the transition curve with main curve
(C) Gradual change of gradient from zero at the tangent point to the specified amount at the
junction of the transition curve with main curve
(D) None of these
Answer: Option B

Question No. 49
Tilt of the staff in stadia tacheometry increases the intercept if it is
(A) Away from the telescope pointing down hill
(B) Towards the telescope pointing up-hill
(C) Away from the telescope pointing up-hill
(D) None of these
Answer: Option C