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Engineering Thermodynamics

Engineering Thermodynamics
Barometric pressure is equal to

760 mm Hg
Zero mm Hg
735.6 mm Hg
1 mm Hg

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Engineering Thermodynamics
The gas constant (R) is equal to the

Ratio of two specific heats
Sum of two specific heats
Product of two specific heats
Difference of two specific heats

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Engineering Thermodynamics
Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

Expansion and compression are isentropic
Heat rejection is lower
Combustion is at constant volume
Maximum temperature is higher

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Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Sum
Product
Ratio
Difference

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Engineering Thermodynamics
Which of the following processes is irreversible process?

Adiabatic
Throttling
All of these
Isothermal

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Engineering Thermodynamics
The isothermal and adiabatic processes are regarded as

Reversible process
None of the listed here
Reversible or irreversible process
Irreversible process

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MORE MCQ ON Engineering Thermodynamics

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