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Engineering Thermodynamics

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

Decreases
Remains constant
Increases
None of these

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

V/T = constant, if p is kept constant
T/P = constant, if v is kept constant
P/T = constant, if v is kept constant
P v = constant, if T is kept constant

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Engineering Thermodynamics
Mixture of ice and water form a

Open system
Closed system
Heterogeneous system
Isolated system

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Engineering Thermodynamics
In a Carnot cycle, heat is transferred at

Constant temperature
Constant volume
Constant pressure
Constant enthalpy

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Engineering Thermodynamics
If the value of n = 0 in the equation pvn = C, then the process is called

Constant volume process
Isothermal process
Adiabatic process
Constant pressure process

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Engineering Thermodynamics
Otto cycle consists of following four processes

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

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