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Engineering Thermodynamics

Engineering Thermodynamics
One kg of carbon requires 4/3 kg of oxygen and produces ________ kg of carbon monoxide gas.

44015
44046
44142
44138

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Engineering Thermodynamics
The hyperbolic process is governed by

Charles' law
Avogadro's law
Boyle's law
Gay-Lussac law

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Dual cycle, Otto cycle, Diesel cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle
Diesel cycle, Otto cycle, Dual cycle

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Engineering Thermodynamics
The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units)

Q1 - 2 = dU - W1 - 2
Q1 - 2 = dU × W1 - 2
Q1 - 2 = dU + W1 - 2
Q1 - 2 = dU/W1 - 2

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Engineering Thermodynamics
When gas is heated at constant pressure, the heat supplied is utilized in

Increasing the internal energy of gas and also for doing some external work
Doing some external work
Increasing the internal energy of gas
None of these

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Engineering Thermodynamics
The main cause for the irreversibility is

Mechanical and fluid friction
All of these
Heat transfer with a finite temperature difference
Unrestricted expansion

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