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WorksheetsHydraulics
Total questions: 10
Worksheet time: 10mins
What is Hydraulics a study of ?
The movement of gases that convert fluid energy to mechanical energy
The movement of oil that converts fluid energy into mechanical energy.
The movement of solids within a liquid.
All of the above
What is the formula for calculating Force ?
Density v Volume
Length x Width
3.142 x Atmospheric pressure
Pressure x Area
What type of directional control valve is pictured here ?
3 way 3 position
4 way 3 position
2 way 2 position
5 way 3 position
What is the approx pressure range that Hydraulic systems operate in ?
20 - 40 psi
50-70 psi
700 - 9000
80 - 100 psi
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
Once hydraulic oil has done mechanical work where does it return to ?
To the engineering factory drains
Back to the tank or reservoir
To the Atmosphere
Non of the above
What symbol is pictured ?
A hydraulic motor
A heater
A Hydraulic filter
Non Return Valve
