The indenter used in Brinell hardness test is a ________

Tensile test can be performed on _________

The process of hardening the concrete mixes by keeping its surface moist for a certain period is called ________

The interference field near the face of a transducer is often referred to as the __________

The final operation of finishing the concrete surface is called _________

Load measuring device shall be capable of measuring loads to an accuracy of _______

The number of cylces per second is the definition of ________

The levelling operation that removes humps and hollows and give a true, uniform concrete surface is called ________