Atmospheric Pressure - Jamb Physics Past Questions and Answers

Question 26:

• JAMB 2010

In a hydraulic press, the pump piston exerts a pressure of 100 pa on the liquid. what force is exerted in the second piston of cross sectional area 3 m²?

A. 300 N
B. 200 N
C. 150 N
D. 100 N

Question 27:

• JAMB 2010

In a hydraulic press, the pump piston exerts a pressure of 100 pa on the liquid. what force is exerted in the second piston of cross sectional area 3 m²?

A. 300 N
B. 200 N
C. 150 N
D. 100 N

Question 28:

• JAMB 2012

The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is

A. 380mmHg
B. 570mmHg
C. 190mmHg
D. 480mmHg

Question 29:

• JAMB 2015

At 35°C and 5 atmospheres pressure the density of a gas is 0. 600g per liter. What is the density at 7 atmospheric pressure and 350°C.

A. 0.27g / liters
B. 0.25g / liters
C. 1.7g / liters
D. 0.15g / liters

Question 30:

• JAMB 2016

A manometer is an instrument used for measuring

A. Relative density of liquid
B. Pressure in liquids and gases
C. Humidity
D. Atmospheric pressure