What does the charging assembly allow to the accumulator without discharging any existing gas?
Answer
Correct Answer:
Addition or deletion of gas
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What is the force at which fluid is forced into the hydraulic system?
Answer
Correct Answer:
Charge Pressure
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What is the process of replenishing a hydraulic system above atmospheric pressure or filling an accumulator with fluid under pressure?
Answer
Correct Answer:
CHARGE
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What do you call the process of replenishing a hydraulic system above atmospheric pressure?
Answer
Correct Answer:
Supercharge
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What's the name of the part that holds an element to aid in the operations or controls of a unit?
Answer
Correct Answer:
CHAMBER
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What is an example of a chamber that aids in the operation or control of a unit?
Answer
Correct Answer:
Spring or drain chamber
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What does the English term for a certificate of conformity mean?
Answer
Correct Answer:
Certificate or document
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A document usually signed and dated what?
Answer
Correct Answer:
CERTIFICATE OF CONFORMITY
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What is the CENTRIFUGAL FORCE?
Answer
Correct Answer:
A force directed outward and away from the centre
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What will cavitation cause to occur to hydraulic oil?
Answer
Correct Answer:
Erosion
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What will cavitation do to a hydraulic oils?
Answer
Correct Answer:
Deteriorate
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What can a leaking pump component's CASE DRAINLINE carry?
Answer
Correct Answer:
Fluid leakage
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What is the name for the line or passage from the internal cavity of a pump or other component that will carry fluid leakage from the device to a low pressure reservoir?
Answer
Correct Answer:
CASE DRAIN LINE
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Carriage valve is the correct term for a valve that is inserted into a standard size cavity in a manifold block and is held in place with what?
Answer
Correct Answer:
Self-contained screw threads
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Valves may be referred to as what term?
Answer
Correct Answer:
CARTRIDGE
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What type of valve is inserted into a standard size cavity in a manifold block?
Answer
Correct Answer:
CARTRIDGE VALVE
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What is the CARTRIDGE?
Answer
Correct Answer:
The replaceable element of a fluid filter
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The pumping unit of a vane pump is made of what?
Answer
Correct Answer:
Rotor, ring, vanes and one or both side plates
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In what area of the cylinder end do the differential and the piston rod reside?
Answer
Correct Answer:
Between the bore area and the piston rod area
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What is the CAP end enclosure made of?
Answer
Correct Answer:
Hydraulic cylinder
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How much of the bore area are the end closures on a blind end CAP?
Answer
Correct Answer:
Completely
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A circular component of a hydraulic piston pump that is mounted off-center and moves what?
Answer
Correct Answer:
Pistons
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What does the word bypass mean?
Answer
Correct Answer:
A secondary passage for the flow of fluid
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A secondary passage for the flow of fluid is called what?
Answer
Correct Answer:
BYPASS
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What is a burst pressure?
Answer
Correct Answer:
The pressure at which a device (pipe, tube or hose) fails
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What is the PRESSURE at which a device fails?
Answer
Correct Answer:
BURST PRESSURE
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To what type of fluid is resistanceto compressibility comparable?
Answer
Correct Answer:
Hydraulic fluid
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What is the term for indentation marks or grooves on the shoulder of the quick-action coupling male half by the locking balls in the female half?
Answer
Correct Answer:
BRINELLING
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What are indentation marks or grooves known as?
Answer
Correct Answer:
Dimples
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BREATHER, AIR, prevents what from entering the hydraulic component?
Answer
Correct Answer:
Contaminants
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What breaks away when disconnecting the breakaway coupling?
Answer
Correct Answer:
A clamp
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What does the term 'break away' refer to?
Answer
Correct Answer:
Automatic separation of a quick-action coupling
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What does AWAY mean when referring to a quick-action coupling?
Answer
Correct Answer:
Automatic separation
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What can be used to join metals using braze?
Answer
Correct Answer:
Non-ferrous filler metal
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What does the process of joining metals using a non-ferrous filler metal name?
Answer
Correct Answer:
BRAZING
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What do brake valves do to prevent an over-running load from causing the shaft to speed up?
Answer
Correct Answer:
Prevent both over-speeding
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What does boundary lubrication lack that can be provided by full fluid lubrication?
Answer
Correct Answer:
A full fluid lubricating film
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What is the name of the outside measurement of a tube, hose or pipe?
Answer
Correct Answer:
BORE
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What does the acronym BORE stand for?
Answer
Correct Answer:
The internal diameter of a tube, hose or pipe
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What are usually two different sized hydraulic cylinders?
Answer
Correct Answer:
Booster
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What are boosters called that are different-sized hydraulic cylinders connected by a common piston?
Answer
Correct Answer:
Intensifiers
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What type of coupling is not pictured here?
Answer
Correct Answer:
Quick-action coupling
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To divert a controlled, specific portion of a pump delivery directly to what?
Answer
Correct Answer:
The hydraulic reservoir
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What are used for the removal of air from an oil system?
Answer
Correct Answer:
BLEEDER
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What is the function of a BLEEDER?
Answer
Correct Answer:
Removal of pressurized fluid
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What separates two fluids or gases when a bladder is used?
Answer
Correct Answer:
A separator or diaphragm
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What is a separator or diaphragm called?
Answer
Correct Answer:
BLADDER
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What is the radius of the bent section of the hose measured to?
Answer
Correct Answer:
Innermost surface of the curved portion
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What is the name of the radius of the bent section of the hose to the innermost surface of the curved portion?
Answer
Correct Answer:
BEND RADIUS
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What part of fitting is redundant?
Answer
Correct Answer:
Seal
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What is usually comprised of two or more radial serrations?
Answer
Correct Answer:
Fitting
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The BAR is an example of what kind of measurement?
Answer
Correct Answer:
Pressure
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What is the pressure in a BAR?
Answer
Correct Answer:
14.5 psig
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How is a ball valve usually rotated?
Answer
Correct Answer:
90 degrees
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A valve that uses a spherical obstruction to stop and start hydraulic flow is known as what?
Answer
Correct Answer:
BALL VALVE
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What device is used to restrict fluid flow?
Answer
Correct Answer:
AFFLE
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What is a back-up ring used for?
Answer
Correct Answer:
To prevent the O-ring or gasket being forced out
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What is used with an O-ring or other gasket to prevent it from being forced out?
Answer
Correct Answer:
BACK-UP RING
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What is the term used to describe the pressure on the downstream or return side of a component?
Answer
Correct Answer:
BACK PRESSURE
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What is another term for connected?
Answer
Correct Answer:
Back CONNECTED
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What part of the pipe connection is exposed when the connection is installed on normal unexposed equipment surfaces?
Answer
Correct Answer:
BACK
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What are pipe connections on if they are not exposed?
