Introduction to fluid power controls

Which of the following is used as a component in hydraulic power unit?

• filler gauge

• pressure gauge

• valve

• compressor

Rotary motion in a hydraulic power unit is achieved by using

• hydraulic cylinder

• pneumatic cylinder

• both hydraulic and pneumatic cylinder

• none of the above

What does the numbers in 4/2 valve mean?

• 4 positions and 2 ways

• 4 ways and 2 positions

• none of the above

The hydraulic brake used in automobiles is a direct application of

• Archimedes Principle

• Torricelli's Law

• Bernoulli's Theorem

• Pascal's Law

Label the ISO symbol?

• 4/2 DCV

• 5/2 DCV

• 4/3 DCV

• 5/3 DCV

Expand FRL Unit?

• Filler, Regulator and Lubricator

• Filter, Regulator and Lubricator

• Filter, Regulator and Liner

• Filter, Receiver and Lubricator

Fluid power is the technology that deals with the generation,------------------ and transmission of forces and movement of mechanical elements or systems.

The main objective of fluid transport systems is to deliver a fluid from one location to another, whereas fluid power systems are designed to perform ----------------

An input cylinder with a diameter of 30 mm is connected to an output cylinder with a diameter of 80 mm . A force of 1000 N is applied to the input cylinder.

(a) What is the output force?

• 7111.1 N

• 3611.1 N

• 5111.1 N

• 9111.1 N

Pneumatic and other power systems can support three kinds of motion; they are

• Linear, reciprocating, and random motion

• Linear, flowing, and rotary motion

• Linear, reciprocating, and rotary motion

• Linear, zigzag, and spiral motion