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WorksheetsHydraulics Week 7.2.2
Total questions: 16
Worksheet time: 9mins
Axle Airbags are inflated by:
The primary air system
The secondary air system
The electrical system
The power steering system
Magic
Cab airbags are inflated by:
The primary air system
The secondary air system
The EGR system
Spring Pressure
The Turbo bypass valve
Cab Air Bag
Axle Air Bag
Accumulator
Driver's Seat Air Spring
Primary Air Tank
What type of valves are used in the cylinder head of a air compressor?
Poppet
Butterfly
Reed
Needle
Flossy
Tech A says: A heavy duty steering gear's worm gear rotates on roller bearings. Tech B says: A heavy duty steering gear's worm gear rotates on ball bearings. Who is correct?
Tech A
Tech B
Both A and B
Neither A nor B
Heavy Duty Steering gears :
Use oil from the reservoir connected to the P.S. Pump
Use oil from the the Engine
Have their own oil reservoir separate from all other components
Use oil from the Transmission
Use only grease and bearings for lubrication
A valve's lagging response time between ECM command and solenoid or torque motor movement due to suction forces
(a)
Causes the valve to be in a state of constant agitation to help prevent a valve from lagging:
Dottering
Dithering
Sputtering
Stammering
Pre-Loading
Match the following
Trim Cylinder Assembly
Steering Gear
Directional Control Valve
Leveling Lalve
Oil Injector
What does LSPC stand for?
(a)
Direction Control Valves are used in:
Hydraulics
Pneumatics
Petrol
Water
Dude Wipes
What are 3 methods of activating a DCV?
Manual Lever, Pilot Control, Solenoids
Manual Lever, Roller, Magic
Viscosity, Pilot Control, Solenoids
Manual Lever, Ratcheting, Solenoids
Manual Lever, Pilot Control, Spoons
Negative flow control and positive flow control are used on excavators:
False
True
Tech A states : Directional
control valves can be actuated manually. Tech B states: Directional control valves can be actuated electrically. Who is correct?
Tech A
Tech B
Neither
Boffum
The Bulk Modulus is:
The fluids ability to resist over heating
The fluids ability to resist compression
The fluids ability to resist viscosity
The fluids ability to resist freezing
The fluids ability to resist aeration
Open/Close solenoids can be called:
Gang Gang Solenoids
Whop Whop Solenoids
Boom Boom Solenoids
Bang Bang Solenoids
Diddy Solenoids
