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Engineering Thermodynamics

Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

There is no such law
Joule's law
Boyle's law
Charles' law

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Dual cycle, Diesel cycle, Otto cycle
Otto cycle, Diesel cycle, Dual cycle
Diesel cycle, Otto cycle, Dual cycle

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Engineering Thermodynamics
Diesel cycle consists of following four processes

Two isentropic, one constant volume and one constant pressure
Two isothermal and two isentropic
Two isentropic and two constant volumes
Two isentropic and two constant pressures

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Minimum
Zero
Negative
Maximum

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

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

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Engineering Thermodynamics
The variables which control the physical properties of a perfect gas are

Volume occupied by the gas
All of these
Temperature of the gas
Pressure exerted by the gas

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MORE MCQ ON Engineering Thermodynamics

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