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Engineering Thermodynamics

Engineering Thermodynamics
Mixture of ice and water form a

Closed system
Isolated system
Heterogeneous system
Open system

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Engineering Thermodynamics
A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be

300,000 Nm
300 Nm
30 Nm
3000 Nm

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

Equal to
None of these
Less than
Greater than

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Engineering Thermodynamics
In closed cycle gas turbine, the air is compressed

None of these
Isentropically
Isothermally
Polytropically

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Engineering Thermodynamics
One kg of hydrogen requires 8 kg of oxygen and produces

9 kg of water
1 kg of water
7 kg of water
8 kg of water

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Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
11/7 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas

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