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Engineering Thermodynamics

Engineering Thermodynamics
The efficiency of a Carnot engine depends on

Temperatures of source and sink
Design of engine
Size of engine
Working substance

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Engineering Thermodynamics
General gas equation is

PV=KiRT
PV=nRT
PV = C
PV=mRT

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Engineering Thermodynamics
For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle.

Greater than
Less than
None of these
Equal to

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Engineering Thermodynamics
An adiabatic process is one in which

All of these
The change in internal energy is equal to the mechanical work done
No heat enters or leaves the gas
The temperature of the gas changes

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Engineering Thermodynamics
The efficiency of Carnot cycle is maximum for

Reversible engine
Gas engine
Steam engine
Petrol engine

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Engineering Thermodynamics
The principal constituents of a fuel are

Sulphur and oxygen
Oxygen and hydrogen
Sulphur and hydrogen
Carbon and hydrogen

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MORE MCQ ON Engineering Thermodynamics

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