Related Questions

Basic open hearth furnace (BOF) is not used for producing __________ steel.
A Killed
B Rimming
C High alloy
D None of these
Bottom of basic open hearth furnace are constructed of
A Dead burnt magnesite ramming mass
B Porous fireclay bricks
C Semi-silica bricks
D Silicon carbide bricks
Roof of a basic electric furnace is made of __________ bricks.
A Superduty fireclay
B Silica
C Chromite
D None of these
Outer combustion chamber of blast furnace stove is lined with __________ bricks.
A Fireclay
B Silica
C Chrome magnesite
D Zirconia
Hot metal runner in blast furnace are lined with __________ bricks.
A Silica
B Carborundum
C Fireclay
D Magnesite
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
In basic Bessemer process, the furnace is lined with
A Silica bricks
B A mixture of tar and burnt dolomite bricks
C Both (A) and (B)
D None of these
If the flame is produced under the hearth and then sweeps up into the heating chamber, this is called a/an __________ furnace.
A Sidefired
B Underfired
C Covered
D Recirculating
__________ of carbon blocks in the hearth of blast furnace helps in avoiding skull formation, when it becomes cold.
A High thermal conductivity
B Low porosity
C Non-wetting characteristics
D High density

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