The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is
A. Rs. 400
B. Rs. 425
C. Rs. 450
D. Rs. 500
Answer: Option C
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The expected out turn of 12 mm plastering with cement mortar is
A. 2.5 sq m
B. 4.0 sq m
C. 6.0 sq m
D. 8.0 sq m
A. Excavation
B. Surface dressing
C. Cutting
D. Surface excavation
width = 500mm = 0.5m
height = 400mm(160+150+90) = 0.4m
length = 5m(given)
volume = 0.5×0.4×5 = 1cu.m
cost =rs.450 per cu.m
cost = 450×1 = Rs.450
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