For the following questions answer them individually
Accuracy in the measurement of the thickness of the slab or sectional dimension of column and beam (in centimetre) should be _____.
Deduction at T-junction of the wall for total length of the central line is .................
For estimation of painted area of semi corrugated asbestos cement sheets, percentage increase in area above plain area is _____.
Calculate the area (square metre) of the formwork required for a beam of 2 m span and cross section dimension of 400 mm $$\times$$ 200 mm.
The cross section areas of three sections of an embankment at an interval of 40 m are 10 square metres, 15 square metres and 35 square metres. Calculate the quantity of earthwork for the embankment. Use prismoidal method.
Calculate the annual depreciation (Rs.) of a machine having initial cost of Rs. 10,000. The scrap value is Rs. 1,000 and useful life of 30 years.