78. The cubic content of concrete (1 : 2 : 4) for the road specified in Q. 23.80 I
A. 300 M3
B. 600 m3
C. 900 m3
D. 1200 m3.

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79. Berms are provided in canals if these are
A. fully in excavation
B. partly in excavtion and partly in embankment
C. fully in embankment
D. All the above.

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80. The cross-sectional area of the embankment of a canal fully in embankment (Fig. 23.7) isbi
A. ?1 (b1 + b2) h
B. (b1 + b2) h + Sb2
C. (b1 + b2) + 2 Sh2
D. 2[(b1 b 2) (b + Sh2)1.

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81. According to ISI method of measurement, the order of the sequence is
A. Length, breadth, height
B. Breadth, length, height
C. Height, length, breadth
D. None of these.

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82. Pick up the incorrect statement from the following :
A. Dimensions are measured to the nearest 0.01 m
B. Areas are measured to the nearest 0.01 sq. m
C. Cubic contents are measured to the nearest 0.1 cm in
D. Weights are measured to the nearest 0.001 tonnes

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83. The following item of earth work is not measured separately.
A. Setting out of works .4
B. Site clearance
C. dead men
D. All the above.

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84. Pick up the correct statement from the following :
A. The earth work of cutting in trenches or borrow pits in fairly uniform ground is measured with the help of average depths of the dead men
B. The earth work in trenches or borrow pits in irregular ground is measured by taking the difference in levels before and after completion of work
C. The earth work in trenches or borrow pits, where neither a nor b is feasible, are measured from the fillings after deduction of voids
D. All the above.

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