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One kg of steam sample contains 0.8 kg dry steam; it's dryness fraction is
  • a)
    0.2
  • b)
    0.8
  • c)
    1.0
  • d)
    0.6
  • e)
    0.5
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
One kg of steam sample contains 0.8 kg dry steam; it's dryness fra...
Given:
- Mass of steam sample = 1 kg
- Mass of dry steam = 0.8 kg

To find:
- Dryness fraction of steam

Solution:

Dryness fraction is defined as the ratio of mass of dry steam to the total mass of steam. Mathematically,

Dryness fraction = (Mass of dry steam) / (Mass of steam sample)

Substituting the given values,

Dryness fraction = 0.8 kg / 1 kg = 0.8

Therefore, the dryness fraction of the steam sample is 0.8, which means that 80% of the steam sample is in the form of dry steam.

Answer:
The correct option is (B) 0.8.
Free Test
Community Answer
One kg of steam sample contains 0.8 kg dry steam; it's dryness fra...
X=(Mass of vapor+ mass of liquid)/total mass of dry air
x=(0.8+0.2)/1
x=1.0
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