In universal testing machine, for a circular section specimen, the gauge length is taken to be _________

What is the approx. mix proportion for M25?

Determine the amount of cement per unit volume of concrete from __________

In charpy test specimen, the angle of v-notch section is _______

Determine the ___ either from strength considerations or from durability considerations.

For the given slump and maximum size of coarse aggregate determine the __________

__________ has designated the concrete mixes into a number of grades as M10, M15.

In which type of test the capillary action principle is used?