Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is

Heat Transfer
Fresh orange juice contains 12% (by weight) solids and the rest water 90% of the fresh juice is sent to an evaporator to remove water and subsequently mixed with the remaining 10% of fresh juice. The resultant product contains 40% solids. The kg of water removed from 1 kg fresh juice is

0.4

0.6

0.5

0.7

0.4

0.6

0.5

0.7

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Heat Transfer
All analogy equations connecting friction factor and heat transfer co-efficient apply only to

Form friction

Turbulent flow

Wall or skin friction

Both A and B

Form friction

Turbulent flow

Wall or skin friction

Both A and B

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Heat Transfer
Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be

0.55

0.45

0.35

0.85

0.55

0.45

0.35

0.85

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Heat Transfer
In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is

Infinity

Same as average heat transfer co-efficient for tube side

None of these

Zero

Infinity

Same as average heat transfer co-efficient for tube side

None of these

Zero

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Heat Transfer
Presence of a non-condensing gas in a condensing vapour

None of the listed here

decreases thermal resistance

increases the rate of condensation

is desirable to increase the film co-efficient

None of the listed here

decreases thermal resistance

increases the rate of condensation

is desirable to increase the film co-efficient

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Heat Transfer
In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is

More

More or less; depends on the nature of solution

Same

Less

More

More or less; depends on the nature of solution

Same

Less

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Heat Transfer

Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to

Heat Transfer Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be

Heat Transfer In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is

Heat Transfer Presence of a non-condensing gas in a condensing vapour

Heat Transfer In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is

Heat Transfer
All analogy equations connecting friction factor and heat transfer co-efficient apply only to

Heat Transfer
Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be

Heat Transfer
In a shell and tube heat exchanger, the tube side heat transfer co-efficient just at the entrance of the tube is

Heat Transfer
Presence of a non-condensing gas in a condensing vapour

Heat Transfer
In case of a supercooled solution, which is on the verge of crystallisation, the free energy of the solution as compared to that of the solid is