Vacat's apparatus is used to test the following property of concrete

The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is

While compacting the concrete by a mechanical vibrator, the slump should not exceed

In making precast structural units for partition and wall lining purposes, the concrete should be

The 28 days cube strength of mass concrete using aggregates of maximum size 5 cm for gravity dams should be

The cement concrete, from which entrained air and excess water are removed after placing it in position, is called

For road pavements, the cement generally used, is

The percentage of water for making a cement paste of normal consistency varies from