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Engineering Thermodynamics

Engineering Thermodynamics
The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

Ru × T
1.5 Ru × T
3 Ru × T
2 Ru × T

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

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

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Steam engine
Reversible engine
Gas engine
Petrol engine

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, water vapour
SO₂, NH₃, CO₂, moisture
O₂, N₂, steam, CO₂
O₂, N₂, H₂, air

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Engineering Thermodynamics
When the gas is cooled at constant pressure,

Both temperature and volume decreases
Both temperature and volume increases
Its temperature increases but volume decreases
Its volume increases but temperature decreases

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

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

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MORE MCQ ON Engineering Thermodynamics

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