Building Materials Mcqs
Inner part of a timber log surrounding the pith, is called
A) Sapwood
B) Cambium layer
C) Heart wood
D) None to these
Check Answer
C) Heart wood
The stretcher bond in brick masonry can be used only when the thickness of wall is
A) 90 mm
B) 180 mm
C) 190 mm
D) 280 mm
Check Answer
A) 90 mm
The steel used in R.C.C. work is
A) Stainless steel
B) Mild steel
C) High carbon steel
D) Wrought iron
Check Answer
B) Mild steel
Lime stones are generally known as
A) Aqueous rocks
B) Sedimentary rocks
C) Stratified rocks
D) All the above
Check Answer
D) All the above
The lime which contains high percentage of calcium oxide, is generally called
A) Fat lime
B) Rich lime
C) White lime
D) None of these
Check Answer
A) Fat lime
The most commonly used retarder in cement is
A) Gypsum
B) Calcium chloride
C) Calcium carbonate
D) None of the above
Check Answer
A) Gypsum
The tendency of a stone is, to split along:
A) Texture
B) Fracture
C) Cleavage
D) Structure
Check Answer
C) Cleavage
Cast iron contains carbon approximately
A) 1.5% to 5.5%
B) 0.05% to 1.75%
C) 0.250 %
D) None to these
Check Answer
A) 1.5% to 5.5%
Smith’s test of stones is performed to find out
A) The presence of soluble matter of stone
B) The compressive strength of the stone
C) The hardness of the stone
D) The toughness of the stone
Check Answer
A) The presence of soluble matter of stone
Which of the following bricks are used for lining of furnaces?
A) Over-burnt bricks
B) Under-burnt bricks
C) Refractory bricks
D) First class bricks
Check Answer
C) Refractory bricks
