The lever arm in a reinforced concrete beam is the distance between

Bulking of sand affects concrete mainly by

The primary requirement of a good benchmark is that it should be

In bar bending schedule, crank is provided to

The test conducted to determine shape and surface texture of aggregates is

The bearing capacity of soil is defined as the

The process of removing colour, taste and odour from water is mainly achieved by

In estimation, contingencies are usually taken as a percentage of

When a prismatic bar is subjected to uniform tensile stress, the strain produced along its length is

If cement paste shows excessive expansion after setting, the most probable cause is

The maximum number of activities that can lie on a critical path is

In RCC beams, compression reinforcement is provided mainly to

In levelling, the line of sight is considered horizontal when the bubble of level tube is

In plane table surveying, resection is used to

In estimation, deductions are made from gross measurements to obtain

For equilibrium of a rigid body, the algebraic sum of horizontal forces must be

False set in cement can usually be corrected by