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WorksheetsSpring 2023 Midterm
Total questions: 15
Worksheet time: 14mins
directional control valves move in two directions by using ____
One solenoid and a return spring
Two solenoids alone
Two solenoids with return springs
Any of the above
a red lens on an indicator light typically represents ____
Attention
Normal Condition
Safe Condition
Danger or Fault Condition
pushbutton switches are manual discreet logic output devices (true/false)
(a)
every person working on a machine must include his or her own ___ to an electrical lockout/tagout device
Tag
Signature
Lock
Hasp
____ mode is often used during machine setup and maintenance to test various parts of the machine and make adjustments
Manual
Automatic
Jog
Cycle
a motor that moves both forward and reverse requires ____
A bidirectional motor starter
A forward and a reverse motor starter
No motor starter
None of the above
the gripping or holding force of the vacuum gripper relies on ____
Cup size
Amount of vacuum applied
The part being gripped
A and B
shock absorbers convert the kinetic energy of an actuator into ____ energy that is transferred through its body to the atmosphere
Electrical
Thermal
Magnetic
Mechanical
the three most common operating modes for a pick and place feeding station are ____
Auto, manual, reset
Auto, manual, FMS
Manual, FMS, reset
Auto, reset, FMS
a tolerance is the acceptable range for a physical part dimension (true/false)
(a)
a clutch is a mechanical device that uses either mechanical, magnetic, hydraulic, pneumatic, or ____ connections to engage and disengage two rotating members
Friction
Torsion
Electric
None of the above
Go/No-Go gauging stations can inspect parts while stationary or while in motion (true/false)
(a)
when a stepper motor is mounted so the shaft is parallel to the indexing table, a ____ drive is used between the motor and the indexing table
Stepper gear
Helix gear
Worm gear
Mesh gear
the ____ in the rotary table surface are used for home positioning
Holes
Fixtures
Sensors
Inputs
before a machine can run in automatic mode, it must first be ____
Tested
Powered down
Stopped
Homed
