Concrete Technology Questions

• ISI has specified full strength of concrete after
• Pick up the correct statement from the following:
• A construction joint is provided where
• Hardening of cement occurs at
• Batching error means inaccuracy in the quantity of
• The maximum thickness of concrete floor of a cement warehouse, is
• Addition of pozzolana to cement causes
• Pick up the correct statement from the following:
• Too wet concrete may cause
• Pick up the correct statement from the following:
• Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is
• Separation of coarse aggregates from mortar during transportation, is known
• Pick up the incorrect statement from the following:
• The process of hardening the concrete by keeping its surface moist is known
• The internal dimensions of a ware house are 15 m x 5.6 m, and the maximum height of piles is 2.70 m, the maximum number of bags to be stored in two piles, are
• Pick up the incorrect statement from the following:
• The light weight aggregates are obtained from
• The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 200, is
• Permissible compressive strength of M 200 concrete grade is
• Pick up the incorrect statement applicable to the field test of good cement.