The frog of the brick in a brick masonry is generally kept on

Higher pitch of the roof<br>i) results in stronger roof<br>ii) results in weaker roof<br>iii) requires…

Pick up the correct statement from the following:

The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted …

Rapid hardening cement attains early strength due to

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum,…

Pick up the correct statement from the following:

Quartzite is a

Pick up the volcanic rock from the following: