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Engineering Thermodynamics

Engineering Thermodynamics
Properties of substances like pressure, temperature and density, in thermodynamic coordinates are

Real functions
Point functions
Cyclic functions
Path functions

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Engineering Thermodynamics
The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called

Specific heat at constant volume
Specific heat at constant pressure
None of these
kilo-Joule

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Engineering Thermodynamics
If a gas is heated against a pressure, keeping the volume constant, then work done will be equal to

-ve
Zero
Anywhere between zero and infinity
+ve

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Engineering Thermodynamics
Universal gas constant is defined as equal to product of the molecular weight of the gas and

Specific heat at constant pressure
Gas constant
Ratio of two specific heats
Specific heat at constant volume

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Engineering Thermodynamics
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

Isothermal
Isentropic
Polytropic
None of these

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Engineering Thermodynamics
The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant)

mcv (T2 - T1)
mcp (T2 + T1)
mR (T2 - T1)
mcp (T2 - T1)

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