Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a _______________ calorimeter ?
Correct answer: B. Throttling
- A. Bomb
- B. Throttling
- C. Junker's
- D. Boy's
Explanation
A throttling calorimeter determines steam dryness from the pressure and temperature after throttling, where the process is approximately isenthalpic. Bomb calorimeters measure heat of combustion, while Junker's and Boy's calorimeters are used for gases.
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