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Engineering Thermodynamics

Engineering Thermodynamics
The hyperbolic process is governed by

Avogadro's law
Charles' law
Boyle's law
Gay-Lussac law

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Engineering Thermodynamics
One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

1000 K
1200 K
800 K
1400 K

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Engineering Thermodynamics
Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant)

cv/ cp =R
cv = R/ γ-1
cp - cv = R
Both (B) and (C)

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Engineering Thermodynamics
In a reversible adiabatic process, the ratio of T1/T2 is equal to

(v1/v2)γ - 1/ γ
(p1/p2)γ - 1/ γ
(v2/v1)γ - 1/ γ
(p2/p1)γ - 1/ γ

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of 273 °K
A negative pressure and 0°C temperature
A temperature of - 273.16°C
A temperature of 0°C

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Engineering Thermodynamics
The throttling process is __________ process.

None of these
Reversible or irreversible
Reversible
Irreversible

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MORE MCQ ON Engineering Thermodynamics

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