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Engineering Thermodynamics

Engineering Thermodynamics
The compression ratio for Diesel engines is

20 to 30
5 to 8
3 to 6
15 to 20

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Engineering Thermodynamics
The efficiency and work ratio of a simple gas turbine cycle are

High
Very low
Low
Very high

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Engineering Thermodynamics
A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as

None of these
Irreversible cycle
Reversible cycle
Thermodynamic cycle

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Engineering Thermodynamics
The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio)

1 - (1/r) γ/γ - 1
1 - rγ - 1
1 - (1/r) γ - 1/ γ
rγ - 1

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic process
Thermodynamic law
Thermodynamic cycle
None of the listed here

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

1.333 N/m2
1333 N/m2
133.3 N/m2
13.33 N/m2

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MORE MCQ ON Engineering Thermodynamics

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