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Question

The saturation temperature of steam with increase in pressure increases ________ .

दबाव में वृद्धि के साथ भाप का संतृप्ति तापमान ________ बढ़ जाता है।

A.

in a linear form (linearly)

B.

rapidly first and then slowly

C.

slowly first and then rapidly

D.

in an inverse form (inversely)

Answer ( Option B)

rapidly first and then slowly

Solution

●Saturation temperature of steam with increase in pressure increases rapidly first and then slowly.

●At atmospheric pressure the saturation temperature is 1000. However if the pressure is increased this will allow the addition of more heat and an increase in temperature without a change of phase.

●Increasing the pressure effectively increases both the enthalpy of water and the saturation temperature.

Hence, the correct option is (B).

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