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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Design of engine
Temperatures of source and sink
Size of engine
Working substance

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

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Engineering Thermodynamics
The term N.T.P. stands for

Nominal temperature and pressure
Natural temperature and pressure
Normal thermodynamic practice
Normal temperature and pressure

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Engineering Thermodynamics
The natural petroleum may be separated into

Lubricating oil
Fuel oil
Petrol
Kerosene

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Engineering Thermodynamics
A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is

Cost will be very high
Theoretically possible
Not possible
May be possible with lot of sophistications

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Engineering Thermodynamics
The specific heat of air increases with increase in

Pressure
Both pressure and temperature
Temperature
Variation of its constituents

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MORE MCQ ON Engineering Thermodynamics

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