[Download PDF] ISRO Scientist or Engineer Mechanical 2018 Paper with Solutions

Instructions

For the following questions answer them individually

Question 41

The pressure P of a gasin terms of its mean kinetic energy per unit volume E is equal to

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Question 42

Work done in a free expansion process is

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Question 43

If the value of rn is infinitely large in a polytropic process $$PV^n = C$$, then the process is Known as constant

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Question 44

During the charging of a storage battery, the current | is 20 A and the voltage E is 12.8 V. The rate of heat transfer from the battery is 16 W. At whatrate is the internal
energy increasing?

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Question 45

The compression ratio for diesel engines is close to

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Question 46

One kg of carbon monoxide requires, how much quantity of oxygen to produce 11/7 kg of carbondioxide gas

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Question 47

The entropy of water at O K is assumed to be

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Question 48

For an irrotational flow, $$\frac{\partial^2 \phi}{\partial x^2} + \frac{\partial^2 \phi}{\partial y^2} = 0$$ is the equation given by

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Question 49

In a centrifugal pump casing, the flow of water leaving the impeller is

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Question 50

For a two stage reciprocating compressor, compression from P1 to P3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the
same polytropic process and the atmospheric pressure is Pa, then the intermediate pressure P2 is given by

Video Solution

CAT Content

ISRO Scientist or Engineer Mechanical 2018

ISRO Scientist or Engineer Mechanical 2018

The pressure P of a gasin terms of its mean kinetic energy per unit volume E is equal to

Work done in a free expansion process is

If the value of rn is infinitely large in a polytropic process $$PV^n = C$$, then the process is Known as constant

During the charging of a storage battery, the current | is 20 A and the voltage E is 12.8 V. The rate of heat transfer from the battery is 16 W. At whatrate is the internalenergy increasing?

The compression ratio for diesel engines is close to

One kg of carbon monoxide requires, how much quantity of oxygen to produce 11/7 kg of carbondioxide gas

The entropy of water at O K is assumed to be

For an irrotational flow, $$\frac{\partial^2 \phi}{\partial x^2} + \frac{\partial^2 \phi}{\partial y^2} = 0$$ is the equation given by

In a centrifugal pump casing, the flow of water leaving the impeller is

For a two stage reciprocating compressor, compression from P1 to P3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows thesame polytropic process and the atmospheric pressure is Pa, then the intermediate pressure P2 is given by

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During the charging of a storage battery, the current | is 20 A and the voltage E is 12.8 V. The rate of heat transfer from the battery is 16 W. At whatrate is the internal
energy increasing?

For a two stage reciprocating compressor, compression from P1 to P3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the
same polytropic process and the atmospheric pressure is Pa, then the intermediate pressure P2 is given by