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Engineering Thermodynamics

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

Zero
43834
2
43835

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Engineering Thermodynamics
Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as

Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Kinetic theory of gases

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Engineering Thermodynamics
In an irreversible process, there is a

Gain of heat
No gain of heat
Loss of heat
No loss of heat

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Engineering Thermodynamics
Otto cycle consists of following four processes

Two isentropic, one constant volume and one constant pressure
Two isothermal and two isentropic
Two isentropic and two constant pressures
Two isentropic and two constant volumes

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is

29.27 kgfm/mol °K
427 kgfm/mol °K
8314 kgfm/mol °K
848 kgfm/mol °K

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Engineering Thermodynamics
The atomic mass of sulphur is

32
16
14
12

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