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Engineering Thermodynamics

Engineering Thermodynamics
If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be

0°C
80°C
20°C
40°C

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Engineering Thermodynamics
The atomic mass of sulphur is

12
14
16
32

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Engineering Thermodynamics
The ___ is obtained when carbonization of coal is carried out at 500° to 700° C.

Hard coal
Pulverized coal
Bituminous coal
Soft coal

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Maximum
Minimum
Zero
Negative

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Stirling
Carnot
Brayton
Rankine

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Engineering Thermodynamics
The value of one bar (in S. I. units) is equal to

1 × 103 N/m2
1 × 102 N/m2
1 × 105 N/m2
1 × 104 N/m2

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