Calorific value of tar is about _____________ Kcal/kg?

Related Mcqs:

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...

Which of the following petrological constitutes is responsible for bright and lustrous black band of bituminous coal ?

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

Tar yield in the low temperature and high temperature carbonisation of dry coal may be respectively ______________ percent?

A. 3 & 10 B. 10 & 3 C. 10 & 20 D. 15 & 8...

Which of the following is called “blue gas”?

A. Coke oven gas B. Water gas C. Natural gas D. Producer gas...

Assam (India) coals suffers mainly from the disadvantage of high ______________ content?

A. Ash B. Volatile matter C. Sulphur (4-6%) D. Moisture...