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Fluid power PMMI With Questions And 100% SURE ANSWERS
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JACKLINEFluid power PMMI With Questions And 100% SURE ANSWERS
Terms in this set (83)
1. In replacing a cylinder, a technician has only a C. At the same speed, at a higher speed
cylinder of the same piston diameter but a larger
rod diameter. If the pressure and flow rate remain
constant the rod will extend ____ and
retract_____________
A. At a higher speed, at a slower speed
B. With more force, at the same speed
C. At the same speed, at a higher speed
D. With less force, at a higher speed
Which of the following is the standard pipe B. 40
schedule for pipe sizes that are from 1/8" to 10" for
general industry
A.30
B.40
C.60
D.80
Fluid power PMMI
1/19
,Which of the following is represented by ¼" NPT D. the quarter inch fitting and thread pitch standard
when it is written on a fluid power drawing?
A. The nominal pitch thread specification
B. The manufacturers thread specification
C. The quarter inch nickel plated specification
D. The quarter inch fitting and thread pitch
standard
A threaded pipe expansion joint compensates for C. Relief valve operation
all of the following except
A. External forces
B. Effects of pressure
C. Relief valve operation
D. Effects of temperature
Which of the following is a basic first step in to A.Observe the correct gauges for proper settings
analyze a pneumatic control system for the
correct operation?
A. Observe the correct gauges for proper settings
B. Bypass the control system using test equipment
C. Remove the loads from the actuators and
operate the system
D. Remove one of the lines connected to an
actuator and operate the system.
Which of the following is the simplest and most B. Apply a soap solution to a suspected leak and check for bubbles
effective way to test a pneumatic circuit for small
air leaks?
A. Measure the pressure drop over time
B. Apply a soap solution to a suspected leak and
check for bubbles
C. Apply an ink dye to the movement areas of the
system components
D. Use a vacuum source to listen for air movement
Fluid power PMMI
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, With a fluid power component in the system, D. Inspecting the O rings for wear
which of the following is not an example of a test
that can be performed?
A. Running the system through its operating
sequence
B. Operating the valves using the manual
operators
C. Measuring pressure at test points
D. Inspecting the O rings for wear
Which of the following describes when the test A. After attaching the test device
valve is opened when taking a pressure
measurement at built in test fitting?
A. After attaching the test device
B. Before attaching the test device
C. Before taking samples on negative pressure
systems
D. After a quick bleeding of cylinders on high
pressure systems
A troubleshooting tool that asks a series of D. Flow Chart
questions requiring a yes or no answer is a __________
A. Sequencing Chart
B. Paretto Chart
C. Half Split method
D. Flow Chart
Designed fluid power troubleshooting flow chart B. Progressively narrowing down the range of possible causes
will aid the technician by __________________
A. Providing a list of all possible causes
B. Progressively narrowing down the range of
possible causes
C. Guiding the technician through the half split
troubleshooting method
D. replacing the schematic diagram
Which of the following is not a good D. Shotgun technique part replacement
troubleshooting method?
A. System compressor to actuator
B. From the actuator back to the compressor
C. Part replacement based on maintenance
history log
D. Shotgun techniqueFluid power
part replacement PMMI
3/19
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