Related Questions

The solid brick shown is made of small square shaped bricks of side 1. when the large brick is disassembled into its component small bricks. the total surface area of all the small bricks is how much greater than the surface area of the large brick?
A 32
B 40
C 60
D 72
The method of moving each brick through a small horizontal distance before it is finally laid in any brick wall and pressing it by means of brick hammer, is known as
A Troweling
B Laying
C Grouting
D Placing
Addition of zircon to silica refractory brick improves its
A Crushing strength
B Resistance to slag attack
C Neither A nor B
D Neither A nor B
Semi-silica bricks compared to silica bricks have
A Less fusion point
B Better spalling resistance
C Both A & B
D Neither A nor B
The maximum linear expansion of silica bricks during firing is about __________ percent.
A 0.5
B 1
C 2
D 3.5
The piece of a brick cut along the centre of width in such a way that its length is equal to that of full brick, is called
A Half brick
B Queen closer
C King closer
D Bevelled closer
The piece of a brick cut with its one corner equivalent to half the length and half the width of a full brick, is known as
A Queen closer
B Bevelled closer
C King closer
D Half king closer
Which of the following ingredients of the brick earth enables the brick to retain its shape?
A Alumina
B Silica
C Iron
D Magnesia
Excess of silica in brick earth results in
A Cracking and warping of bricks
B Loss of cohesion
C Enhancing the impermeability of bricks
D None of the above
Percentage of silica in a good brick earth lies between
A 5 to 10%
B 20 to 30%
C 50 to 60%
D 70 to 80%

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