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For a vacuum pressure of 4.5 m of water, the equivalent absolute pressure is:
  • a)
    5.83 m of water
  • b)
    14.83 m of water
  • c)
    12.33 m of water
  • d)
    8.83 m of water
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
For a vacuum pressure of 4.5 m of water, the equivalent absolute press...
Absolute pressure = gauge pressure + local atmospheric pressure
-ve gauge pressure = vacuum pressure = 4.5 m of water
Local atmospheric pressure of water = 10.3 m of water
Equivalent absolute pressure = -4.5 + 10.33 = 5.83 m of water
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Most Upvoted Answer
For a vacuum pressure of 4.5 m of water, the equivalent absolute press...
Conversion of Vacuum Pressure to Absolute Pressure

Explanation:

When a vacuum pressure is given, it is always less than atmospheric pressure. Therefore, to convert the vacuum pressure to absolute pressure, we need to add the atmospheric pressure to it.

Formula:

Absolute Pressure = Vacuum Pressure + Atmospheric Pressure

The standard atmospheric pressure at sea level is 10.33 m of water.

Given:

Vacuum Pressure = 4.5 m of water

Solution:

Absolute Pressure = Vacuum Pressure + Atmospheric Pressure

= 4.5 m of water + 10.33 m of water

= 14.83 m of water

Therefore, the equivalent absolute pressure for a vacuum pressure of 4.5 m of water is 14.83 m of water.

Conclusion:

The correct option is A) 5.83 m of water.
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