Online Civil Engineering Degree Exam Questions - Set 21 - ObjectiveBooks
Online Civil Engineering Degree Exam Questions - Set 21

Online Civil Engineering Degree Exam Questions - Set 21

Practice Test: Question Set - 21

1. The chaining on sloping ground is
    (A) Easier along the falling gradient
    (B) Easier along the up gradient
    (C) Equally convenient along falling as well as up gradient
    (D) All the above
2. The additional lines which are measured to show the correctness of the chain surveying are called:
    (A) Check clines
    (B) Proof lines
    (C) Tie lines
    (D) All of these
3. The best method of interpolation of contours, is by
    (A) Estimation
    (B) Graphical means
    (C) Computation
    (D) All of these
4. Greater accuracy in linear measurements, is obtained by
    (A) Tacheometry
    (B) Direct chaining
    (C) Direct taping
    (D) All the above
5. If the whole circle bearing of a line is 180°, its reduced bearing is
    (A) S 0° E
    (B) S 0° W
    (C) S
    (D) N
6. If Δ is the angle of deflection of a simple curve of radius R, the length of its long chord, is
    (A) R cos Δ/2
    (B) 2R cos Δ/2
    (C) R sin Δ/2
    (D) 2R sin Δ/2
7. Cross hairs in surveying telescopes, are fitted
    (A) In the objective glass
    (B) At the centre of the telescope
    (C) At the optical centre of the eye piece
    (D) In front of the eye piece
8. Prismatic compass is considered more accurate than a surveyor's compass, because
    (A) It is provided with a better magnetic needle
    (B) It is provided with a sliding glass in the object vane
    (C) Its graduations are in whole circle bearings
    (D) It is provided with a prism to facilitate reading of its graduated circle
9. For high sensivity of the bubble tube
    (A) A liquid of low viscosity is used
    (B) A liquid of low surface tension is used
    (C) The bubble space should be long
    (D) All the above
10. If 50 m point of a 100 m tape is 50 cm off line, and 50 m sections are straight, an error is generated equal to
    (A) 1/10,000
    (B) 1/15,000
    (C) 1/20,000
    (D) 1/25,000
11. 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
12. The direction of steepest slope on a contour, is
    (A) Along the contour
    (B) At an angle of 45° to the contour
    (C) At right angles to the contour
    (D) None of these
13. The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only
    (A) 1 cm
    (B) 5 cm
    (C) 10 cm
    (D) 100 cm
14. If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to
    (A) 0°
    (B) 90°
    (C) 180°
    (D) 360°
15. The accuracy of measurement in chain surveying, does not depend upon
    (A) Length of the offset
    (B) Scale of the plotting
    (C) Importance of the features
    (D) General layout of the chain lines
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