Estimating and Costing
The unit of measurement is per quintal for the following:

Rolling shutters
Collapsible gates with rails
Expanded metal wire netting
M.S. reinforcement of R.C.C. works

ANSWER DOWNLOAD EXAMIANS APP

Estimating and Costing
While estimating a reinforced cement structure, the omitted cover of concrete is assumed

In thin slabs, 12 mm minimum or diameter of the bar whichever is more
At the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar
All of these
For reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more

ANSWER DOWNLOAD EXAMIANS APP

Estimating and Costing
The assumption on which the trapezoidal formula for volumes is based, is

The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied
All listed here
The end sections are parallel planes
The mid-area of a pyramid is half the average area of the ends

ANSWER DOWNLOAD EXAMIANS APP