Engineering Thermodynamics
Which is the incorrect statement about Carnot cycle?

All the heat engines are based on Carnot cycle
All of these
It is used as the alternate standard of comparison of all heat engines
It provides concept of maximising work output between the two temperature limits

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Engineering Thermodynamics
Carbonization of coal consists of

Moulding the finely ground coal under pressure with or without a binding material
None of these
Heating the wood with a limited supply of air to temperature not less than 280°C
Drying and crushing the coal to a fine powder

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Engineering Thermodynamics
Mond gas is obtained by

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

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