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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following variables controls the physical properties of a perfect gas?

Temperature
Pressure
Volume
All of these

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = (RT)m
pv = RTm
pvm = C
pv = mRT

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Engineering Thermodynamics
The ultimate analysis of coal consists of the determination of the percentage of

Hydrogen and nitrogen
Carbon
Sulphur and ash
All of the listed here

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Engineering Thermodynamics
When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is

Briquetted coal
Coke
Wood charcoal
Bituminous coal

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Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pvn = C
pv = m R T
pvγ = C
pv = C

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Engineering Thermodynamics
Diesel cycle consists of __________ processes.

Two constant pressure and two isentropic
One constant pressure, one constant volume and two isentropic
Two constant volume and two isothermal
Two constant volume and two isentropic

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