Test Preparation on RRB JE-Civil Model Paper-2
The strength of durability of concrete depends upon.
The workability of concrete is defined as the
The maximum percentage of chemical ingredient of cement is
Which compound in cement, gives early age strength
For cold weathering concreting the cement used is
The length of the vicat plunger is
The unit weight of cement in kN/m3
Sand that is recommended for R.C.C work should have fineness modulus.
For dam construction the size of aggregates are
The bulk density of aggregates , is
The PH value of water shall not less than.
Water cement ratio is
The minimum water-cement ratio is
The modules of elasticity of steel shall be taken as
Segregation in concrete results in