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Engineering Thermodynamics

Engineering Thermodynamics
The oxygen atom is ________ times heavier than the hydrogen atom.

8
32
2
16

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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)

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

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Engineering Thermodynamics
Those substances which have so far not been resolved by any means into other substances of simpler form are called

Compounds
Atoms
Elements
Molecules

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Engineering Thermodynamics
The increase in entropy of a system represents

Increase in temperature
Increase in availability of energy
Degradation of energy
Decrease in pressure

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Engineering Thermodynamics
If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly

Internal energy
Temperature
Entropy
Enthalpy

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Engineering Thermodynamics
Diesel cycle consists of following four processes

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

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