Question

In Lhasa, Tibet, the elevation is 12,000 feet. The altimeter reading in an airplane is 19. 50 in Hg.

This pressure is equal to ___psi.

Answer 1

Given the data from the question, the reading (i.e pressure) of the altimeter in psi is 9.57 psi

Conversion scale

1 inHg = 0.491 psi

Data obtained from the question

• Pressure (inHg) = 19.50 inHg

• Pressure (psi) =?

How to determine the pressure in psi

The pressure of the altimeter in psi can be obtained as illustrated below:

1 inHg = 0.491 psi

Therefore,

19.50 inHg = 19.50 × 0.491

19.50 inHg = 9.57 psi

Thus, 19.50 inHg is equivalent to 9.57 psi

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