Rate of low temperature oxidation of coal due to bad storage conditions_______________?

Fuels and Combustion 22/01/2021

A. Decreases with increase in surface area
B. Does not vary with increase in surface area
C. Is more for low volatile coal compared to high volatile coal
D. Is accelerated by storage in large heaps with small surface to volume ratio

Related Mcqs:

    Dry air required to burn 1 kg of carbon completely may be around ______________ kg?
    A. 11 B. 2 C. 20 D. 38...
    Short/intense flame is produced during combustion of gaseous fuel by using________________?
    A. High amount/current of combustion air B. Low amount/current of combustion air C. Preheated secondary air D. Very little excess air...
    The difference between total carbon and fixed carbon of coal will be minimum in case of___________________?
    A. Lignite B. Bituminous coal C. Anthracite D. High temperature coke (V.M < 0.5%)...
    Which of the following is not a by-product recovered in a high temperature coal carbonisation plant ?
    A. Benzol B. Pitch-creosote mixture (PCM) C. Naphthalene D. Ethylene...
    If the specific heat of gaseous products of combustion of a fuel is high, the abiabatic flame temperature will be_____________?
    A. Low B. High C. Very high, if the fuel is of low calorific value D. None of these...

Leave a Reply

Your email address will not be published. Required fields are marked *