A. 300
B. 1100
C. 700
D. 900
Related Mcqs:
- High temperature carbonisation of coal takes place at __________________ °C?
A. 2000
B. 700
C. 1100
D. < 500 - The yield of tar from high temperature carbonisation of dry coal is about _______________ percent?
A. 3
B. 12
C. 22
D. 0.3 - The main product of high temperature carbonisation of coal is_____________________?
A. Coke
B. Ammonia
C. Tar
D. Phenol - High temperature carbonisation of coal produces _____________________ ?
A. Inferior coke compared to low temperature carbonisation
B. Less of gases compared to liquid products
C. Larger quantity of tar compared to low temperature carbonisation
D. None of these - Lurgi coal gasifier is a pressurised _______________ bed reactor ?
A. Moving
B. Fixed
C. Fluidised
D. Entrained - The temperature in the calcium carbide furnace is _______________ °C ?
A. 200-300
B. 700-850
C. 2000-2200
D. 4000-4500 - Hydrogenation of oil takes place in a/an ____________________ reactor ?
A. Autothermal
B. Trickle bed
C. Plug flow
D. None of these - Which of the following is not a product of coal tar distillation ?
A. Anthracene
B. Creosote oil
C. Carbolic oil
D. None of these - Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because__________________?
A. Its calorific value is very less
B. Tar neutralises the residual acids present in pitch
C. It reduces viscosity and imparts fluidity for its transportation through pipelines at economic
pressure drop
D. All A, B. and C. - The terminology ‘BTX’ used in coal tar distillation industry refers to___________________?
A. Benzol-toluol-xylol
B. Benzol-toluene-xylene
C. Benzene-toluol-xylol
D. Benzene-toluene-xylene
