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
0 h : 0 m : 1 s