A Best Way To Crack Gorenment Job Exams

Civil Engineering Objective Questions { Estimating And Costing }

71. The correct prismoidal formula for volume is
A. D [first area + last area + Even area + 2 odd areas]
B. ?3 [first area + last area + 4 ? Even area +2 odd areas]
C. ?3 [first area + last area +2 Even area +4 odd areas]
D. ?D [first area + last area + 2 Even area +4 odd areas]. 6
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72.  The area of a sloping surface of a protective embankment of mean height d, side slopes S : 1 and len h L is
B. d2 x (ds)2
C. L.D '11 + s2
D. 2 Ld
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73. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in Fig. 23.4. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is
A. (6 + 15) chains
B. (6 + 12) chains
C. (6 + 18) chains
D. None of these.
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74.  The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2: 1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by prismoidal formula, is
A. 3250 m3
B. 3225 m3
C. 3275 m3
D. 3300 m3.
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75.  Pick up the correct statement from the following :
A. If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.)
B. Area of canal in cutting = BD + Sd2 where B = bed width, d = depth of cutting and S is the side slope
C. Area of the bank of canal =Bid]. + Sd1.2 where Bi, di and S are the width of bank, height of the bank above N.S.L. and side slope respectively
D. All the above.
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76. A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180? at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2: 1, the earth work involved.
A. 26,000 M3
B. 26,500 m3
C. 27,900 m3
D. 27,500 m3.
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77. A cement concrete road is 1000 m long, 8 m wide and 15 cm thick over the sub-base of 10 cm thick gravel. The box cutting in road crust is
A. 500 m3
B. 1000 m3
C. 1500 m3
D. 2000 m3.
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