Question

When the barometer reads 740.0 mm of
mercury, a pressure of 10 kPa suction at
that location is equivalent to

a) 10.02 m of water (abs)
b) 9.87 m of water (abs)
c) 88.72 KPa (abs)
d) 0.043 KPa (abs)​

Answer 1

Answer:

When the barometer reads 740.0 mm of  mercury, a pressure of 10 kPa suction at  that location is equivalent to 10.02 m of water.

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Answer 2

The correct answer is option (c) 88.72 KPa (abs).

Explanation:

Given: Barometer reading = 740.0 mm

To find: A pressure of 10 kPa suction at that location is equivalent to?

Find:

• P(atm) 0.740 × 13600 × 9.81 = 98.72 kpa
• P(abs) = P(atm) - P(vaccum)
• P(abs) = 98.27 - 10
• kpa = 88.72 kpa
• Hence, When the barometer reads 740.0 mm of mercury, a pressure of 10 kPa suction at that location is equivalent to 88.72 KPa (abs).