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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

P v = constant, if T is kept constant
P/T = constant, if v is kept constant
T/P = constant, if v is kept constant
V/T = constant, if p is kept constant

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Engineering Thermodynamics
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as

Diesel cycle
Rankine cycle
Atkinson cycle
Dual combustion cycle

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Engineering Thermodynamics
The efficiency of the dual combustion cycle for the same compression ratio is __________ Diesel cycle.

Greater than
Less than
None of these
Equal to

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Engineering Thermodynamics
The atomic mass of sulphur is

12
14
16
32

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

14
32
12
16

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MORE MCQ ON Engineering Thermodynamics

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