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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Densities
Specific weights
Molecular weights
Gas characteristic constants

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Engineering Thermodynamics
The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected)

δQ = T/ds
δQ = T.ds
dQ = ds/T
None of the listed here

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Engineering Thermodynamics
Absolute zero pressure will occur

At sea level
When molecular momentum of the system becomes zero
Under vacuum conditions
At a temperature of 273°K

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Engineering Thermodynamics
In open cycle gas turbine plants

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

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Engineering Thermodynamics
The heat and work are mutually convertible. This statement is called ___ law of thermodynamics.

Second
Zeroth
First
Third

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Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Equal
Less
More
Depends on other factors

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MORE MCQ ON Engineering Thermodynamics

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