The sieve number used in the fineness modules test of cement is

The diameter of needle used in Vicat's apparatus for the determination of initial setting time is prescribed as

A concrete using an air entrained cement

Slump test of concrete is a measure of its

The term 'ware-house pack' means

Reinforced cement concrete is equally strong in taking

An aggregate which may contain some moisture in the pores but having dry surface is known as

The cement becomes useless if its absorbed moisture content exceeds