Gross heating value of coal is ______________ the net heating value?

Related Mcqs:

Main use of hard coke produced by high temperature carbonisation is in the ____________________ ?

A. Iron blast furnace B. Cupola in foundries C. Sinter making D. Domestic ovens...

The maximum adiabatic flame temperature is attained, when the fuel is burnt with ______________________?

A. Theoretically required amount of air B. More than theoretically required amount of air C. Less than theoretically required amount of air D. Theoretically required amount of oxygen...

Which of the following will generate maximum volume of product of complete combustion (Nm3/Nm3 of fuel) ?

A. Carburetted water gas B. Blast furnace gas C. Natural gas D. Producers’ gas...

Coal containing large quantity of _______________ are difficult to wash?

A. Ash B. Inherent mineral matter C. Free impurities D. Volatile matter...

The heat of combustion of a fuel___________________?

A. Is equal to the heat of formation B. Is always negative C. Can’t be known without calculating it D. Is always positive...