The calorific value of producer gas is around _____________ kcal/Nm3?

A. 1300
B. 500
C. 4500
D. 9000

Which is the heaviest fuel gas out of the following ?

A. Blast furnace gas
B. Coke oven gas
C. Water gas
D. Carburetted water gas

Presence of phosphorous in metallurgical coal__________________?

A. Is not undesirable
B. Reduces its calorific value
C. Badly affects the quality of steel
D. Increases its caking power

The reaction, C + CO2 ↔ 2CO, taking place during coal gasification is called the ______________ reaction?

A. Neumann reversal
B. Shift conversion
C. Boudouard
D. Reduction

Which of the following petrographic constituents of coal is non-coking ?

A. Vitrain
B. Clarain
C. Durain
D. Fussain

Power alcohol as compared to straight run gasoline has lower ________________?

A. Calorific value
B. Octane number
C. Specific gravity
D. Viscosity

Abrasion index of blast furnace coke should be around _____________ percent?

A. 20
B. 35
C. 55
D. 80

The calorific value of L.D. converter gas is about ____________ Kcal/Nm3?

A. 1800
B. 800
C. 4500
D. 10000

Which of the following has the highest heat of combustion ?

A. H2
B. CO
C. CH4
D. C2H6

Initial pressure of oxygen introduced into the ‘bomb’ of the bomb calorimeter for determination of calorific value of coal/fuel oil may be around _____________ atm?

A. 3-5
B. 25-30
C. 60-65
D. 95-100