Building Materials MCQ - Multiple Choice Question and Answer

Building Materials MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 1
For melting one tonne of cast iron

700 m3 air is required
20 kg limestone is required
One quintal coke is required
All the above

Question No : 2
Turpentine oil is used in paints as


Question No : 3
The internal size of mould used in brick preparation is

Equal to the size of a fully burnt brick
Smaller than the size of a fully burnt brick
Greater than the size of a fully burnt brick
None of the above

Question No : 4
The slump recommended for mass concrete is about

25 mm to 50 mm
50 mm to 100 mm
100 mm to 125 mm
125 mm to 150 mm

Question No : 5
Bitumen felt is used for

Water proofing
Damp proofing
Both (A) and (B)
Neither (A) nor (B)

Question No : 6
The timber having maximum resistance against white ants, is obtained from


Question No : 7
A stone is rejected if it absorbs water more than

5 %
10 %
15 %
20 %