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Engineering Thermodynamics

Engineering Thermodynamics
In an irreversible process, there is a

No loss of heat
Loss of heat
Gain of heat
No gain of heat

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Engineering Thermodynamics
The unit of universal gas constant is

None of these

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Engineering Thermodynamics
The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when

Process is isentropic and specific heat does not change with temperature
Process is isothermal
Process is isentropic
Flow is uniform and steady

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

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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 cycle
Thermodynamic process
None of the listed here
Thermodynamic law

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Steam engine
Reversible engine
Gas engine
Petrol engine

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