SSC_JE_CE_Building Materials Booster Quiz -8

According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than:

The initial setting time for Ordinary Portland cement as per IS specifications should not be less than:

What is the amount of water used to conduct the initial setting time test of cement which has a standard consistency of P.

What is the water-cement ratio (w/c) required to complete the reactions in hydration of cement?

What is the temperature range in the cement kiln?

Which of the following shows the CORRECT expression for target mean strength (f_cm) of concrete, if the characteristic strength and standard deviation is given by f_ck and σ respectively?

Higher the cement content,

For batching 1:3:6 concrete mix by volume, which of the following are the ingredients required per bag of 50kg cement?

For which of the following process Boucherie process is used?

What is the gel-space ratio of a sample of concrete, if the concrete is made with the 600 g of cement with the water-cement ratio of 0.65?