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Hydraulic Systems

Total questions: 27

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following statements explains fluid power.

a)

Fluid power is the method of using pressurized fluid to transmit energy

b)

Fluid power is the method of using pressurized fluid to transmit motion.

c)

Fluid power is the method of using pressurized fluid to transmit machines

d)

Fluid power is the method of using pressurized air to transmit energy

2.

What are the two branches of Fluid Power.

a)

Pneumatics and Hydrogen

b)

Pneumatics and Horsepower

c)

Pneumatics and Hydraulics

d)

Pneumatics and Horoscops

3.

Hydraulic systems use ________ to transfer force from one point to another.

a)

Air

b)

Liquid

c)

Solid

d)

Gas

4.

Pneumatic systems use compressed _________ to transfer force.

a)

Air

b)

Liquid

c)

Solid

d)

Gas

5.

Air is compressible and liquid is incompressible.

a)

True

b)

False

6.

If an object is compressible it can be squeezed to fit into a smaller space than it normally does.

a)

True

b)

False

7.

If an object is in-compressible it can also be forced to fit into a space smaller than it usually occupies.

a)

True

b)

False

8.

An example of a compressible object is a _______________ & an example of an in-compressible object is a ______________

a)

Plastic bottle & Water

b)

Iphone & Coca Cola

c)

Land cruiser & Oil

d)

All of them are examples

9.

Select the machine which does not use hydraulics.

a)
b)
c)
d)
10.

All industrial hydraulic systems consist of the following basic components:

a)

Power input device

Control Device

Liquid

Conductors

Power Output device

Hydraulic jack

b)

Power input device

Control Device

Liquid

Power Output device

c)

Power input device

Control Device

Liquid

Conductors

Power Output device

d)

Power input device

Control Device

Power Output device

11.

What is a hydraulic system?

a)

A system that uses a liquid under pressure to transmit a force to do work.

b)

A system that uses a gas under pressure to transmit a force to do work

c)

Pascal's law.

d)

It uses water to push an object.

12.
A single piston pump runs at  a ________ flow rate compared to other pumps.
a)
Higher 
b)
Lower 
c)
Medium 
d)
Growth 
13.
 What type of pump is a piston pump?
a)
Negative displacement pump
b)
Lil Pump
c)
Positive displacement pump
d)
Multi-Inverse Pump
14.
What is one advantage of a piston style pump?
a)
More tolerant to contamination 
b)
Less expensive 
c)
Least moving parts
d)
Wide range of pressure
15.
What’s one disadvantage of a piston style pump? 
a)
Least efficient 
b)
High internal leakage
c)
Higher operating costs
d)
Not designed for heavier fluids
16.
Vane pumps have many advantages, including ______   
a)
Develops good vacuum
b)
Good for high pressure
c)
Can handle high viscosity
d)
High tolerance to contaminants
17.
What is a disadvantage of a piston pump?
a)
Can't handle contaminants
b)
Heavy and bulky
c)
Slow and efficient
d)
Reduced noise
18.
True or false, there are 2 types of piston pumps, radial and axial.
a)
True
b)
False
19.

A pneumatic valve is defined as a “5/3-valve”. What do the numbers 5/3 mean in this definition?

a)

The valve has a port for the exhaust.

b)

The valve has 5 switching positions and 3 ports.

c)

The valve has a neutral position and 4 other switching positions.

d)

The valve has 5 ports and 3 switching positions.

e)

The valve has 5 ports for work conductions and a neutral position.

20.

What is the use of end position cushioning of a double-acting cylinder, as shown below?

a)

It protects the cylinder against excessively high air pressure.

b)

It reduces the noise of the escaped air.

c)

It prevents a hard striking of the piston at the end positions.

d)

It holds the piston in position.

e)

It controls the speed motion of the cylinder during extension and retraction.

21.

What is the part labeled "A" in the diagram.

a)

Reservoir

b)

Electrical motor

c)

Pump

d)

Maximum pressure

e)

Directional Valve

22.

What is the part labeled "B" in the diagram.

a)

Reservoir

b)

Electrical motor

c)

Pump

d)

Maximum pressure

e)

Directional Valve

23.

What is the part labeled "C" in the diagram.

a)

Reservoir

b)

Electrical motor

c)

Pump

d)

Maximum pressure

e)

Directional Valve

24.

What is the part labeled "D" in the diagram.

a)

Reservoir

b)

Electrical motor

c)

Pump

d)

Maximum pressure

e)

Directional Valve

25.

What is the part labeled "E" in the diagram.

a)

Reservoir

b)

Electrical motor

c)

Pump

d)

Maximum pressure

e)

Directional Valve

26.

What is the part labeled "G" in the diagram.

a)

Flow Control Valve

b)

Right-angle check valve

c)

Cylinder

d)

Maximum pressure

e)

Directional Valve

27.

What is the part labeled "H" in the diagram.

a)

Flow Control Valve

b)

Right-angle check valve

c)

Cylinder

d)

Maximum pressure

e)

Directional Valve