Fluid Power Question set 1

Pressure is equal to force divided by ____.

• Weight

• Liquid

• Gas

• Area

Pascal's law states that pressure in a confined fluid is equal and acts ____. (ITS PERPENDICULAR). I forgot to go over that.

• On flat surfaces

• Perpendicular to all surfaces

• Only at the bottom of the vessel

• Only against the external load

What are the two main branches of fluid power?

• Hydraulics and Thermodynamics

• Hydraulics and Pneumatics

• Pneumatics and Electrodynamics

• Thermodynamics and Electrodynamics

• 20 psi

• 30 psi

• 21 psi

• 20 pounds 

F1 is a force of 10lbs. The diameter of A1 is 2 inches. If the diameter of A2 is 12 inches, what is F2?

• 60lbs

• 359lbs

• 43

• 120

The pig has a weight of 300lbs. The cylinder he is sitting on has a radius of 20 inches. IF the other cylinder has a radius of 5 inches, what force must be applied to keep the pig in one place.

• 1200lbs

• 40lbs

• 18.75lbs

• 1.25lbs

In a pneumatic system, if the pressure is 100 psi and the area is 2 square inches, what is the force exerted?

• 150 lbs

• 100 lbs

• 50 lbs

• 200 lbs

A2 should be 100in^2. What would be the output force on cylinder 1?

• 40lbs

• 8000lbs

• 4lbs

• 120lbs

If a hydraulic system has an input force of 50 lbs and an input area of 5 square inches, what is the pressure applied?

• 55 psi

• 10 psi

• 250 psi

• 5 psi

In a hydraulic lift, if the input piston has a radius of 3 inches and the output piston has a radius of 9 inches, what is the mechanical advantage?

• 27

• 3

• 1

• 9