Chemical Process
Proximate analysis of coal determines its __________ content.

Moisture, sulphur, nitrogen & fixed carbon
None of these
Moisture & volatile matter
Moisture, ash, sulphur & volatile matter

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Chemical Process
Linde process of gas liquefaction employs

Exchange of heat with colder stream
Merely compressing the gas beyond its critical pressure
Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
Adiabatic expansion against a piston or in a turbine

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