Heat Transfer
Viscosity of gases __________ with increase in temperature.

Decrease slowly
Increase very rapidly
Remain unaffected
Increase slowly

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Heat Transfer
In a heat exchanger, one transfer unit means

None of these
Both A and B
A section of the exchanger in which change in temperature of one stream equals the average driving force in the section
The size of the exchanger in which heat transfer rate is 1 kcal/hr

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