Engineering Thermodynamics
Carbonization of coal consists of

Heating the wood with a limited supply of air to temperature not less than 280°C
None of these
Drying and crushing the coal to a fine powder
Moulding the finely ground coal under pressure with or without a binding material

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Mond gas is obtained by

Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
Passing air and a large amount of steam over waste coal at about 650°C
Carbonisation of bituminous coal
Passing steam over incandescent coke

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
Extensive property of a system is one whose value

Depends on the mass of the system like volume
Is not dependent on the path followed but on the state
Does not depend on the mass of the system, like temperature, pressure, etc.
Is dependent on the path followed and not on the state

ANSWER DOWNLOAD EXAMIANS APP