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WorksheetsHydraulic Components Block 8
Total questions: 20
Worksheet time: 20mins
Why is special, stringent care required when handling aircraft hydraulic fluid?
To ensure it stays free from contamination
To make it more efficient
To reduce costs
To increase its volume
During which type of aircraft maintenance checks are samples from aircraft hydraulic systems taken to check contamination?
A) A and B checks
B) C and D checks
C) E and F checks
D) G and H checks
What is a common misconception about new oil according to the passage?
It is always clean.
It is always dirty.
It is always expensive.
It is always cheap.
By the time they reach your system, fluids are almost certainly contaminated with which of the following?
Metal and rubber particles
Water and oil
Nuts and bolts
Plastic and glass
What is one of the major entry points for contaminants in a hydraulic system?
Reservoir vent ports (breathers)
Power unit or system access plates
Components left open during maintenance
Cylinder seals
What is one of the major entry points for contaminants in a hydraulic system?
Sight glass
Power unit flexible lines
Tubing
Oleo strut seals
Identify the increased source of contamination in hydraulic systems.
In pumps & motors
Reservoir breathers filler caps
hydraulic components
Corrosion
What is the nature of hydraulic fluid compared to air?
A) Compressible
B) Incompressible
C) Elastic
D) Rigid
Fill in the blank: Hydraulic pressure acts at right angles to the _______ walls of the container.
enclosing inner surface
outer surface
Bottom surface
top surface
What is the function of the hydraulic fluid in a simple pump?
To provide lubrication to the pump components
To transfer energy and create pressure
To cool down the pump system
To act as a sealant for the pump
Fill in the blank: The _______ is used to control the flow of hydraulic fluid in the system.
valve
pump
reservoir
cylinder
What is a common method to prevent contamination in hydraulic systems?
Using larger reservoirs
Regularly changing the hydraulic fluid
Increasing system pressure
Installing additional pumps
Which component is primarily responsible for filtering contaminants in a hydraulic system?
Valve
Pump
Filter
Reservoir
What is the effect of air contamination in hydraulic systems?
Reduced system pressure
Enhanced cooling
Improved fluid flow
Increased efficiency
Which component in the diagram is responsible for moving the hydraulic fluid?
Motor
Cylinder piston
Pump
Control valve
What is hydraulics?
Hydraulics is a mechanical function that operates through the force of liquid or liquid pressure
Hydraulics is a mechanical function that operates through the Sun Light
Hydraulics is a mechanical function that operates through the wind energy
All options are correct
Gases
What is hydraulics?
Hydraulics is a mechanical function that operates through the force of liquid or liquid pressure
Hydraulics is a mechanical function that operates through the Sun Light
Hydraulics is a mechanical function that operates through the wind energy
All options are correct
Hydraulic systems use ________ to transfer force from one point to another.
Air
Liquid
Solid
Gas
______________ air is more dense, therefore it exerts higher air pressure.
Cold
Warm
