Q. 1.S.I. has specified the full strength of concrete after

View solution

Q. For given workability the grading requiring the least amount of water is one that gives

View solution

Q. The minimum percentage of chemical ingredient of cement is that of

View solution

Q. The specifications of a cement bag for storage, are

View solution

Q. The concrete mix which causes difficulty in obtaining a smooth finish, possess

View solution

Q. Le-Chatelier's apparatus is used for testing

View solution

Q. 'Ware house pack' of cement means

View solution

Q. In the method of voids for determination of the quantity of cement paste, it is assumed that

View solution

Q. If a grading curve is horizontal bet-wen the portions of 20 mm I.S. Sieve and 4.75 mm I.S. Sieve, the graded aggregates do not contain

View solution

Q. The size of fine aggregates does not exceed

View solution

Q. An aggregate is known as cyclopean aggregate if its size is more than

View solution

Q. The main object of compaction of concrete, is:

View solution

Q. Pick up the correct statement from the following:

View solution

Q. Particles of 0.002 mm size are that of

View solution

Q. On a grading curve, the gap grading is represented by

View solution

Q. Bulking of sand is

View solution

Q. Curing of pavements, floors, roofs and slabs, is done by

View solution

Q. Pick up the incorrect statement from the following:

View solution

Q. The surface where two successive placements of concrete meet, is known as

View solution

Q. Concrete is unsuitable for compaction by a vibrator if it is

View solution