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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

None of the listed here
Stirling
Carnot
Ericsson

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Engineering Thermodynamics
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

Q1 - 2 = dU + W1 - 2
Q1 - 2 = dU - W1 - 2
Q1 - 2 = dU/W1 - 2
Q1 - 2 = dU × W1 - 2

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

Centigrade
Celsius
Kelvin
Fahrenheit

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

Product
Ratio
Difference
Sum

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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
Less than Diesel cycle
Greater than Diesel cycle

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Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Gay-Lussac law
Charles' law
All of the listed here
Boyle's law

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