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Engineering Thermodynamics

Engineering Thermodynamics
A tri-atomic molecule consists of __________ atoms.

One
Two
Four
Three

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Engineering Thermodynamics
The processes occurring in open system which permit the transfer of mass to and from the system, are known as

None of the listed here
Non-flow processes
Flow processes
Adiabatic processes

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Engineering Thermodynamics
The compression ratio for Diesel engines is

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

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Engineering Thermodynamics
When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as

Thermodynamic law
None of the listed here
Thermodynamic cycle
Thermodynamic process

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Engineering Thermodynamics
For same compression ratio and for same heat added

Otto cycle is more efficient than Diesel cycle
Both Otto and Diesel cycles are equally efficient
Diesel cycle is more efficient than Otto cycle
Efficiency depends on other factors

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Engineering Thermodynamics
The heat energy stored in the gas and used for raising the temperature of the gas is known as

Molecular energy
Kinetic energy
Internal energy
External energy

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