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Bernoulli's Principle

A pressure ga...

Question

A pressure gauge used to measure vacuum indicates a gauge pressure of 5 kPa. If the atmospheric is 100 kPa, the absolute pressure is

A

105 kPa

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B

0.05 kPa

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C

95 kPa

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D

20 kPa

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Solution

The correct option is A 105 kPa
Gauge pressure = Absolute pressure - Atmosphere pressure

$∴ Absolute pressure = 5 + 100 = 105 kPa$

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