A coal having high volatile matter content will ________________?

A. Give less yield of tar and gas on carbonisation
B. Burn with a small non-smoky flame
C. Have a very high calorific value
D. None of these

Mott and Wheeler test is conducted on coke to find its _____________________?

A. Reactivity with O2
B. Abradability
C. Phosphorus content
D. Volatile matter content

Coal is pulverised before burning in large capacity boiler furnaces mainly to____________________

A. Ensure its complete combustion
B. Facilitate easy ash removal
C. Enhance its calorific value
D. Provide trouble free operation

Laboratory gas is obtained by the cracking of____________________?

A. Gasoline
B. Diesel
C. Fuel oil
D. Kerosene

‘Wind loss’ resulting from unscientific storage of coal may be the order of about _____________ percent?

A. 2.5
B. 7.5
C. 10.5
D. 14.5

Caking index of the coal blend used for the manufacture of metallurgical coke should be around__________________?

A. 5
B. 21
C. 40
D. 48

Main constituent of the gas produced from a gobar gas plant is___________________?

A. CO2
B. CH4
C. H2
D. CO

Cannel coal and boghead coal are the examples of _________________?

A. Humic coals
B. Liptobiolites
C. Sapropelic coals
D. None of these

Which of the following is not endothermic ?

A. Cracking
B. Reforming
C. Gasification
D. Partial oxidation

Gross calorific value will be equal to the net calorific value for __________________?

A. H2
B. C2H2
C. CO
D. C2H6