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Engineering Thermodynamics

Engineering Thermodynamics
The unit of pressure in S.I. units is

mm of water column
Pascal
kg/cm²
Dyne per square cm

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Engineering Thermodynamics
General gas equation is

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

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

∝
1
γ

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Engineering Thermodynamics
When coal is first dried and then crushed to a fine powder by pulverizing machine, the resulting fuel is called

Bituminous coal
None of these
Wood charcoal
Briquetted coal

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Engineering Thermodynamics
An adiabatic wall is one which

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

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Engineering Thermodynamics
The efficiency of Ericsson cycle is __________ Carnot cycle.

Equal to
Greater than
None of these
Less than

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