test 1 prep hydraulic power

Question 1

what is pascals law

Answer 1

a pressure change in any point of a confined incompressible fluid is transmitted throught the fluid such that the change occurs everywhere

Question 2

what advantages do hydraulic cylinders have

Answer 2

less bulky then mechanical linkages and more efficient than electrical actuators

Question 3

which type of cylinder applies pressure on the piston in both directions and allows for greater control

Answer 3

double action

Question 4

what are the two types of cylinders

Answer 4

single action and double action

Question 5

which type of cylinder has pressure act in only one direction

Answer 5

single action

Question 6

what is the purpose of a control valve

Answer 6

control the direction of flow in a hydraulic system

Question 7

what are some places where you will see hydraulic cylinders

Answer 7

any where you require a sizable force
*Metal shears
*presses
*lifts
*compactors
*stabilizers
*hydraulic guillotine
*furnace doors
*heavy construction *equipment