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Engineering Thermodynamics

Engineering Thermodynamics
The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Joule
Gay-Lussac
Kelvin
Clausis

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

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

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Less than Diesel cycle and greater than Otto cycle
Greater than Diesel cycle and less than Otto cycle
Greater than Diesel cycle
Less than Diesel cycle

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Engineering Thermodynamics
Which of the following laws is applicable for the behaviour of a perfect gas?

Boyle's law
All of these
Gay Lussac’s law
Charles ‘law

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Engineering Thermodynamics
Absolute zero pressure will occur

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

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Engineering Thermodynamics
The sum of internal energy (U) and the product of pressure and volume (p.v) is known as

Enthalpy
Power
Work done
Entropy

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MORE MCQ ON Engineering Thermodynamics

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