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Engineering Thermodynamics

Engineering Thermodynamics
The natural solid fuel is

Coke
Pulverised coal
Anthracite coal
Wood

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

2
43834
43835
Zero

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

Ericsson
Stirling
None of the listed here
Carnot

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

γ
1
∝

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Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Any gas
Perfect gas
Water
Saturated steam

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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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