Related Questions

An improved and fuel efficient version of the pusher type reheating furnace is the __________ furnace.
A Walking beam
B Shaft
C Tunnel
D Rotary hearth
Reheating furnace (pusher type) is used for heating
A Ingots
B Slabs
C Steel coils
D Steel sheets
A cake is put in the oven at 7.20 am. If the cake takes three quarters of an hour to bake, at what time should it be taken out of the oven ?
A 8:10 a.m.
B 8:05 a.m.
C 8:15 a.m.
D 7:50 a.m.
Coke oven gas is a better fuel than blast furnace gas, because of its higher
A Calorific value, cleanliness and relatively low distribution cost (due to its low specific gravity)
B Adiabatic flame temperature
C Heat release rate (thus requiring smaller combustion chamber)
D All of the above
Naphthalene is removed from coke oven gas by
A Adsorbing on palladium
B Absorbing in ethanolamine
C Scrubbing with wash oil
D Passing it through electrostatic precipitator
Hydrogen content of coke oven gas is __________ percent.
A 4
B 22
C 58
D 84
Flushing liquor used for cooling coke oven gas constitutes of
A Ammoniacal liquor
B K2CO3 solution
C Dilute H2SO4
D Dilute HCl
Coke oven gas produced by high temperature carbonisation of coal (as compared to that produced by low temperature carbonisation), has
A Higher calorific value
B Lower hydrogen content
C Both A & B
D Neither A nor B
Coke oven gas consists mainly of
A H2 & CH4
B CO & CO2
C H2 & CO
D CH4 & CO
Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the
A Hot scarfing of steel slabs
B Mixing with blast furnace gas
C Coke oven battery heating
D Steel ladle drying

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