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Engineering Thermodynamics

Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44046
44015
44142
44138

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Engineering Thermodynamics
The throttling process is __________ process.

Reversible
Irreversible
Reversible or irreversible
None of these

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

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

32
14
16
12

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Engineering Thermodynamics
When a gas is heated, change takes place in

Temperature
Pressure
All of the listed here
Volume

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Engineering Thermodynamics
No liquid can exist as liquid at

273°K
Vacuum
Zero pressure
Centre of earth

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