Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth ?
According to IS specifications, the compressive strength of ordinary portland cement after three days should not be less than________________?
Early attainment of strength in rapid hardening cement is mainly due to_______________?
For testing compressive strength of cement, the size of cube used is_______________?
The main constituent of cement which is responsible for initial setting of cement is_________________?
The main constituent which imparts hydraulicity to hydraulic lime is______________?
Assertion A : Pure lime takes a long time to develop adequate strength. Reason R : Pure lime has slow hardening characteristics. Select your answer according to the coding system given below ?
Study the following statements. (1) Hydraulic lime is suitable for white washing, (2) Fat lime is suitable for whitewashing, (3) Hydraulic lime is suitable for making mortar, (4) Fat lime is suitable for making mortar. The correct answer is______________?
As per IS specifications, the maximum final setting time for ordinary Portland cement should be_______________?
The constituent of cement which is responsible for all the undesirable properties of cement is____________?
