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WorksheetsHHP2 Week 8 quiz
Total questions: 15
Worksheet time: 10mins
_________ do not remain in calibration and lose accuracy after repeated use.
Variable Orifice Valves
DCVs
Pilot Valves
Pressure Gauges
Flowmeters
· Some manufacturers require technician to plot _______ for hydraulic pump diagnosis
Pilot Assist Pressure
PQ curve
Torque Vectors
Horsepower Curve
Flow Path Circuits
_________ can be designed for low-pressure applications, so be sure that the fitting is made of steel prior to installing it in a high-pressure system.
Pressure Taps
Flow Meters
Metering Valves
Accessory On/Off Valves
Quick Release Valves
Pro-Test Fittings AKA:
(a)
What is This?
(a)
What is this?
(a)
Sometimes _____ pump inlet pressure will provide data necessary to determine if pump inlet has restriction
Variable
Pilot
Axial
Charge
Main
Just as grounds can be the source of problems in electrical circuits, ______ can cause problems in hydraulic circuits
Relief Valves
Return Circuits
Flow Rails
Fixed Orifices
Variable orifices
______ can affect temperature of hydraulic systems
Humidity
Altitude
Ambient wind speed
Slope / Grade
Paint
Cycle Times Should be tested during ______ preventative maintenance inspection
Daily
24-hour
500-hour
Semi-Annual
Annual
A technician should pay extra attention to the condition, level, and type of ______ used in the problematic hydraulic circuit.
Oil
Filter
Actuator
Control Valve
Relief Valve
Understanding abnormal hydraulic _______ can help a technician find a malfunction efficiently.
Fluid Color
Fluid Viscosity
Taste
Noises
Smells
Most common type of mechanical gauge used:
Sealed tube
Pressure flex
Spiral Tube
Helical Tube
Bourdon Tube
What is This?
(a)
Eliminate pulsations that result from hydraulic system flows and pressures:
Single acting cylinders
Flow Control Valves
Snubbers
Accumulators
Flywheels
