Coal is heated in absence of air for 7 minutes at a temperature of about ______________ °C, during its volatile matter determination for proximate analysis?

Related Mcqs:

The shift conversion reaction taking place during water gas manufacture is given by__________________?

A. C + H2O ↔ CO + H2 B. C + 2H2O ↔ CO2 + 2H2 C. CO + H2O ↔ CO2 + H2 D. None of these...

Highly caking coals_____________________?

A. Produce weak coke B. Produce strong coke C. May damage the coke oven walls during carbonisation D. Both B. and C....

Fuel for a nuclear reactor (thermal) is ____________________?

A. Uranium B. Plutonium C. Radium D. None of these...

Coke having higher porosity has ___________________?

A. Lower bulk density B. Lower strength C. Higher reactivity D. All A., B. and C....

Pick out the wrong statement ?

A. Main constituents of LPG are propane and butane B. C.V. of natural gas is about 10000 KCal/Nm3 C. C.V. of LPG is about 26000 kcal/Nm3 (11500 kcal/kg) D. L.P.G. is lighter than air...