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Engineering Thermodynamics

Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Perfect gas
Steam
Vapour
Air

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Engineering Thermodynamics
In open cycle gas turbine plants

All of these
A condenser is used
The indirect heat exchanger and cooler is avoided
Direct combustion systems is used

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Engineering Thermodynamics
If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called

Adiabatic expansion
Parabolic expansion
Hyperbolic expansion
Free expansion

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Engineering Thermodynamics
In an ideal gas turbine plant, it is assumed that the compression and expansion processes are

None of these
Isothermal
Isentropic
Polytropic

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Engineering Thermodynamics
For same compression ratio and for same heat added

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

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Engineering Thermodynamics
The isothermal and adiabatic processes are regarded as

Reversible or irreversible process
None of the listed here
Irreversible process
Reversible process

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MORE MCQ ON Engineering Thermodynamics

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