Beehive coke oven

A Facilitates by-products recovery
B Takes 2-3 days for coking of coal but requires no external fuel for heating
C Gives larger yield of coke (around 85%) as compared to by-product ovens
D Produces coke with very poor strength

Correct Answer: Takes 2-3 days for coking of coal but requires no external fuel for heating

Bissoy MCQ
#Chemical Engineering #Fuels and Combustion

Related Questions

Coking time in beehive coke oven is about
A 12 hours
B 2-3 days
C One week
D Two weeks
Beehive coke ovens are made of __________ bricks.
A Silica
B Fireclay
C Silicon carbide
D Corundum
Width of the coke oven towards coke side is slightly more than that on pusher side to
A Facilitate easy discharging of coke as it swells during carbonisation
B Facilitate uniform heating of the oven
C Increase the output of the coke
D None of these
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.
By-products are __________ recovered in 'Beehive ovens'.
A Fully
B Partially
C Not at all
D Negligibly
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

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