Work out these pressure numbers

Exercise and reference answers

Questions

1. Answer

   48.7

   Question

   A tyre gauge reads 34 psi and the air outside is at 14.7 psi. Absolute pressure in psi?

2. Answer

   500

   Question

   You push 100 N on the small piston of a hydraulic line. The far piston has 5 times the area. Force out in newtons?

3. Answer

   13600

   Question

   Water is 1000 kg per cubic metre and mercury is 13.6 times denser. Mercury's density in kg per cubic metre?

4. Answer

   80

   Question

   A young adult's blood pressure reads 120 over 80. Diastolic pressure in mm of mercury?

5. Answer

   1330

   Question

   One mm of mercury is 133 Pa. How many Pa is 10 mm of mercury?

Instructions

Read each pressure question and key the answer in on the number pad.

Explanation