Related Questions

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
A red house is built from red bricks . A blue house is built from blue bricks. A white house is built from white bricks. Then what is a greenhouse made from ?
A green bricks
B wood
C glass
D steel
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
Spalling of silica bricks occurs due to abrupt volume changes, when it is cooled below a temperature of __________ °C.
A 770
B 570
C 270
D 70
A wall 8m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 6 cm The number of bricks required is
A 7,200
B 6,400
C 6,000
D 5,600
A room 8 m long, 6 m high and 22.5 cm thick is made up of bricks, each measuring 25 cm × 11.25 cm × 6 cm. The number of bricks required is.
A 7200
B 6400
C 6000
D 5600
A wall 8m ling, 6 m high and 22.5 cm thick is made up bricks, each measuring 25 cm × 11.25 cm×6 cm. The number of bricks required was
A 7200
B 6400
C 6000
D 5600
Silica bricks are never used for lining the
A Beehive coke ovens
B By-product coke ovens
C Dome of blast furnace stoves
D Roof of open hearth furnace
Porosity of silica bricks varies from __________ percent.
A 5 to 10
B 20 to 30
C 45 to 60
D 60 to 75
The maximum linear expansion of silica bricks during firing is about __________ percent.
A 0.5
B 1
C 2
D 3.5

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