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Engineering Thermodynamics

Engineering Thermodynamics
According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature.

Increases
None of these
Remains constant
Decreases

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Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Depends on other factors
Equal
Less
More

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Engineering Thermodynamics
The unit of pressure in S.I. units is

Dyne per square cm
kg/cm²
Pascal
mm of water column

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Engineering Thermodynamics
Absolute zero pressure will occur

At a temperature of 273°K
When molecular momentum of the system becomes zero
Under vacuum conditions
At sea level

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Engineering Thermodynamics
Brayton cycle consists' of following four processes

Two isentropic, one constant volume and one constant pressure
Two isentropic and two constant pressures
Two isentropic and two constant volumes
Two isothermal and two isentropic

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Engineering Thermodynamics
The atomic mass of sulphur is

12
16
14
32

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