Engineering Thermodynamics
A process, in which the temperature of the working substance remains constant during its expansion or compression, is called

Polytropic process
Adiabatic process
Hyperbolic process
Isothermal process

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Engineering Thermodynamics
Mond gas is obtained by

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

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