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Building Construction Objective
Quiz 1
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Q.1
Which of the following is a type of bricks prepared by hand moulding?
a) Ground-moulded bricks
b) Plastic clay bricks
c) Dry clay bricks
d) Wet clay bricks
Q.2
Which of the following statements about a frog is not true?
a) A frog is used to indicate the trade name of the manufacturer
b) It is placed on raw bricks during moulding
c) It is a mark of depth about 10-20 cm
d) It serves as a key for holding mortar
Q.3
Which of the following is not a variety of continuous kilns?
a) Bull’s trench kiln
b) Hoffman’s kiln
c) Down-draught kiln
d) Tunnel kiln
Q.4
Which of the following types of kilns is also known as flame kiln?
a) Intermittent down-draught kiln
b) Intermittent up-draught kiln
c) Hoffman’s kiln
d) Bull’s trench kiln
Q.5
The shape of Hoffman’s kiln is ______ in the plan.
a) Circular
b) Rectangular
c) Hexagonal
d) Trapezoidal
Q.6
Which of the following is not a quality of a good brick?
a) It should be well burnt in kilns
b) It should give a clear ringing sound when struck with another brick
c) It should be uniform in shape and should be sufficiently hard
d) It should have a high thermal conductivity
Q.7
Second class bricks should not absorb water more than ________ by weight when soaked in cold water for one day.
a) 20%
b) 22%
c) 30%
d) 42%
Q.8
The minimum crushing strength of a brick is generally _________
a) 10 kg/cm2
b) 20 kg/cm2
c) 30 kg/cm2
d) 35 kg/cm2
Q.9
The efflorescence on the surface of bricks is said to be slight if the white deposits cover about ________ of the surface.
a) 10%
b) 15%
c) 25%
d) 50%
Q.10
First-class bricks are _______ while second class bricks are __________
a) Table-moulded, ground-moulded
b) Ground-moulded, table-moulded
c) Table-moulded, table-moulded
d) Ground-moulded, ground-moulded
Q.11
_________ brick is moulded with a double bullnose on the end.
a) Cownose
b) Hollow
c) Cellular
d) Coping
Q.12
Which of the following is not correct about pressed and wire cut bricks?
a) These bricks have sharp edges and corners
b) Their external surface is smooth
c) These bricks exhibit uniform texture
d) They are lighter than the ordinary hand-moulded bricks
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