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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)

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

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Engineering Thermodynamics
One kg of carbon produces ___ kg of carbon dioxide.

11/7
3/7
11/3
4/11

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Engineering Thermodynamics
Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant

Temperature
Internal energy
Volume
Pressure

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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)

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

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Engineering Thermodynamics
Which of the following processes is irreversible process?

All of these
Isothermal
Throttling
Adiabatic

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Engineering Thermodynamics
Isochoric process is one in which

Very little mechanical work is done by the system
No mechanical work is done by the system
All parameters remain constant
Free expansion takes place

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MORE MCQ ON Engineering Thermodynamics

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