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7 April, 13:28

If a gas has a gage pressure or 156 kPa, it's absolute pressure is approximately

A. 56 kPa.

B. 100 kPa.

C. 256 kPa.

D. 300 kPa.

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  1. 7 April, 13:50
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    Answer: C

    Gauge pressure = 156 kPa,

    What is absolute pressure = ?

    We know that,

    absolute pressure = gauge pressure + atmospheric pressure

    Pabs = Pgauge + Patm

    = 156 + 101.3 (since atm. pr. = 101.3 Kpa)

    = 257.3 KPa absoulte

    approximately = 256 KPa absolue
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