Engineering Thermodynamics
An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is

Impossible
Possible, but with lot of sophistications
Possible
Feasible

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Engineering Thermodynamics
Mond gas is obtained by

Passing air and a large amount of steam over waste coal at about 650°C
Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
Carbonisation of bituminous coal
Passing steam over incandescent coke

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Engineering Thermodynamics
Which of the following is the correct statement?

All the reversible engines have the same efficiency.
Irreversible engines have maximum efficiency.
All the reversible and irreversible engines have the same efficiency.
All engines are designed as reversible in order to obtain maximum efficiency.

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