Q.1.
The initial setting time for ordinary Portland cement as per IS specifications should not be less than
Q.2.
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than
Q.3.
A pug mill is used for
Q.4.
Pug mill is used for
Q.5.
Asphalt is obtained from
Q.6.
Gneiss is obtained from
Q.7.
Early attainment of strength in rapid hardening cement is mainly due to
Q.8.
Initial setting of cement is caused due to
Q.9.
Cast iron is used for
Q.10.
Wrought iron is used for
Q.11.
Percentage of carbon content in mild steel is