Mechanical Engineering Questions And Answers :: Steam Boilers: part2



Mechanical Engineering : Steam Boilers QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.Water boils when its vapour pressure

equals that of the surroundings
equals 760 mm of mercury
equals to atmospheric pressure
equals the pressure of water in the con-tainer
boiling has ^nothing to do with vapour pressure.

22.In a throttling process

heat transfer takes place
work is done by the expanding steam
internal energy of steam changes
all of the above
none of the above.

23.The increase in pressure

lowers the boiling point of a liquid
raises the boiling point of a liquid
.does not affect the boiling point of a liquid
reduces its volume
none of the above.

24.In a throttling process

steam temperature remaisn constant
steam pressure remains constant
steam enthalpy remains constant
steam entropy remains constant
steam volume remains constant.

More Steam Boilers QUESTIONS AND ANSWERS available in next pages

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