Engineering Thermodynamics
In open cycle gas turbine plants

All of these
The indirect heat exchanger and cooler is avoided
Direct combustion systems is used
A condenser is used

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Engineering Thermodynamics
The universal gas constant (or molar constant) of a gas is the product of

Molecular mass of the gas and the specific heat at constant pressure
Molecular mass of the gas and the gas constant
Molecular mass of the gas and the specific heat at constant volume
Atomic mass of the gas and the gas constant

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Engineering Thermodynamics
Carbonization of coal consists of

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

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