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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following parameters is constant for a mole for most of the gases at a given temperature and pressure

Mass
Entropy
Volume
Enthalpy

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Engineering Thermodynamics
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

Parabolic expansion
Hyperbolic expansion
Adiabatic expansion
Free expansion

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43835
43834
2
Zero

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Engineering Thermodynamics
First law of thermodynamics furnishes the relationship between

Various properties of the system
Heat and work
Various thermodynamic processes
Heat, work and properties of the system

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Engineering Thermodynamics
Absolute zero pressure will occur

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

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Engineering Thermodynamics
The unit of length in S.I. units is

Millimeter
Meter
Kilometer
Centimeter

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