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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

(T1/T2) - 1
1 - (T1/T2)
1 + (T2/T1)
1 - (T2/T1)

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Engineering Thermodynamics
The atomic mass of sulphur is

14
12
16
32

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = (RT)m
pv = mRT
pv = RTm
pvm = C

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

23
21
77
25

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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 law
Thermodynamic cycle
Thermodynamic process
None of the listed here

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Engineering Thermodynamics
Stirling and Ericsson cycles are

Semi-reversible cycles
Irreversible cycles
Quasi-static cycles
Reversible cycles

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MORE MCQ ON Engineering Thermodynamics

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