The inspection pit or chamber is a manhole provided in a base drainage system at

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Question
The inspection pit or chamber is a manhole provided in a base drainage system
Options
A. at every change of direction
B. at every change of gradient
C. at every 30 m intervals
D. at the point where vertical soil pipe joins the house drain
E. All the above.

Correct Answer

All the above.

Estimating and Costing problems

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2. In long and short wall method of estimation, the length of long wall is the centre to centre distance between the walls and
Options
A. breadth of the wall
B. half breadth of wall on each side
C. one fourth breadth of wall on each side
D. None of these.

3. Pick up the correct statement from the following:
Options
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.

4. Pick up the incorrect statement from the following:
Options
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 m
D. Weights are measured to the nearest 0.001 tonnes

5. The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is
Options
A. (6 + 15) chains
B. (6 + 12) chains
C. (6 + 18) chains
D. None of these.

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