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Engineering Thermodynamics

Engineering Thermodynamics
The compression ratio for petrol engines is

15 to 30
5 to 8
3 to 6
10 to 20

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Engineering Thermodynamics
The smallest quantity of a substance, which can exist by itself in a chemically recognizable form is known as

Molecule
Element
Atom
Compound

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Engineering Thermodynamics
Which of the following processes is irreversible process?

All of these
Isothermal
Throttling
Adiabatic

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Engineering Thermodynamics
For the same compression ratio, the efficiency of dual combustion cycle is

Greater than Diesel cycle and less than Otto cycle
Less than Diesel cycle and greater than Otto cycle
Less than Diesel cycle
Greater than Diesel cycle

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Engineering Thermodynamics
A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called

Hyperbolic process
Polytropic process
Adiabatic process
Isothermal process

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Engineering Thermodynamics
One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas.

All of the listed here
9/7
4/7
11/4

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MORE MCQ ON Engineering Thermodynamics

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