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ENGINEERING THERMODYNAMICS

Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Joule cycle
Reversed Brayton cycle
Brayton cycle
Carnot cycle

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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
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

654°C
54°C
108°C
327°C

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

1 g
1000 g
10 g
100 g

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Engineering Thermodynamics
The condition of perfect vacuum, i.e., absolute zero pressure can be attained at

A temperature of 0°C
A temperature of - 273.16°C
A negative pressure and 0°C temperature
A temperature of 273 °K

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