Engineering Thermodynamics
An adiabatic wall is one which

Encourages thermal interaction
Discourages thermal interaction
Prevents thermal interaction
Permits thermal interaction

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Engineering Thermodynamics
Stirling cycle consists of

One constant volume, one constant pressure and two isentropic processes
Two constant pressure and two isothermal processes
Two constant volume and two isentropic processes
Two constant volume and two isothermal processes

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Engineering Thermodynamics
Mond gas is obtained by

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
Carbonisation of bituminous coal
Passing steam over incandescent coke

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