Concrete Technology and Design MCQ Question with Answer

Question No : 43
For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is

Question No : 44
In a counterfort retaining wall, the main reinforcement is provided on the (i) Bottom face in front counterfort (ii) Inclined face in front counterfort (iii) Bottom face in back counterfort (iv) Inclined face in back counterfort The correct answer is

Question No : 45
If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be

Question No : 46
High temperature

Question No : 47
An aggregate is known as cyclopean aggregate if its size is more than

Question No : 48
Normally pre-stressing wires are arranged in the

Question No : 49
Setting time of cement increases by adding