Spring 2023 Midterm

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)