Calorific value of coal is of the order of _______________________?

Steam Boilers, Engines, Nozzles and Turbines 29/08/2020

A. 200-400 kcal/kg
B. 800-1200 kcal/kg
C. 2000-4000 kcal/kg
D. 5000-8000 kcal/kg
E. 8000-10,000 kcal/kg

Related Mcqs:

    In an experiment to determine dryness fraction of steam, the mass of water separated was 1.2 kg in 15 mts and the mass of steam passed out in same time was 4.8 kg. Dryness fraction is__________________?
    A. 40% B. 25% C. 50% D. 80% E. 90%...
    Which of the following is steam dbal?
    A. non-coking bituminous coal B. brown coal C. pulverised coal D. coking bituminous coal E. none of the above...
    One kilowatt-hour energy is equivalent to ________________?
    A. 1000 J B. 360 kJ C. 3600 kJ D. 3600 kW/sec E. 1000 kJ...
    The economizer is used in boilers to _______________________?
    A. increase thermal efficiency of boiler B. economise on fuel C. extract heat from the exhaust flue gases D. increase flue gas temperature E. to heat feed water by bled steam...
    Pour point of fuel oil is the____________________?
    A. lowest temperature at which oil will flow under set condition B. storage temperature C. temperature at which fuel is pumped through burners D. temperature at which oil is transported E. none of the above...

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