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WorksheetsFluid Power Quiz Championship
Total questions: 25
Worksheet time: 13mins
Which Type of Fluid Power Automation system has higher heat resistivity?
Pneumatic system
Hydraulic system
Electric system
All the above
List few Primary Functions of Hydraulic Liquid
Good lubricity
Fire Resistance
Higher Viscosity
High degree of incompressibility
¨As temperature increases, the particles of a fluid move ________. As the temperature of a fluid drops, its volume decreases and it ______________.
slower and expands
faster and expands
slower and contracts
faster and contracts
Select the 4/2 solenoid actuated DCV valve as shown below
Find the below statement is true or false:
Spool valves usually have higher flows than poppet valves in Hydraulic based industrial application.
Pascal's Law is:
P=F*A
A=F/P
F=V*D
F=A+P
The basic idea behind any hydraulic system is very simple: Force that is applied at one point is trasmitted to another point using________
A compressible fluid
An incompressible fluid
A cold compress
A hot compress
Property of fluid that describes its internal resistance is known as
Viscosity
Friction
internal energy
Resistance
3 way 3 position
4 way 3 position
2 way 2 position
5 way 3 position
Which of the following has a high volumetric efficiency?
Gear pump
Vane pump
Piston pump
All pumps have equal volumetric efficiency
Where can you look on your car to see a good example of a basic piston-driven hydraulic system?
The power steering system
The brake system
The instrument panel
The radio system
Large hydraulic machines usually have these to hold the difference in the volume of oil displaced by the two sides of the cylinder
Large diameter lines
Extra piston
External reservoirs
Men with buckets
Which pump uses an impeller?
Piston pump
Vane pump
Non-positive-displacement pump
Gear pump
Which of the following styles of pumps uses a swash plate?
Bent-axis piston pump
Rotating-cam radial piston pump
Inline axial piston pump
Rotating-piston radical piston pump
Identify the hydraulic component from the given symbol.
Pneumatically operated 4/2 DCV
Hydraulic operated 4/2 DCV
Solenoid operated 4/2 DCV
Pilot operated 4/2 DCV
In which of the following pump, volumetric displacement is generally greater than gear pumps.
Vane pump
Lobe pump
Piston pump
Gerotor
5/2 way single solenoid valve has:
2 ports 2 positions
5 ports 2 positions
5 ports 5 positions
2 ports 5 positions
A double acting cylinder has
has only one port
has a return spring
has no return spring
has two return springs
Device which directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways.
Switch
Gate
Valve
Meter
Normally allows fluid (liquid or gas) to flow through it in only one direction.
Needle Valve
Regulator
Check Valve
Piston
The aircraft is equipped with a ___________ landing gear.
non retractable tail dagger
non retractable tricycle landing gear
non retractable conventional gear
retractable conventional gear
What must you NEVER do with respect to a hydraulic hose leak ?
Turn off the hydraulic pump before you start working on it
Clean up oil spills immediately
Lock and Tag the electrical switch and put the keys in your pocket.
Place your finger over the leak in an attempt to stop this
When refilling oil after servicing a hydraulic system which type of oil should be used ?
Re- use the old oil
Specification 7345-12
Use oil according to the manufacturers specification
Car gearbox oil
What properties should hydraulic possess ?
Ability to absorb water and get thin at high temperature
Ability to absorb water and get thick at low temperatures
Ability to reject water and remain stable across temperature range
It should smell nice
What is the symbol pictured ?
Flow control valve
Double acting cylinder
Adjustable Pressure Relief Valve
Non Return Valve
