Examlex
The switch contacts of a reed relay are controlled by a permanent magnet.
Mechanically Held
Describes devices or components that are kept in position through mechanical means rather than magnetic or adhesive forces.
Electrician
A skilled tradesperson who installs, maintains, and repairs electrical power systems and equipment.
Pilot Device
A device used to control or manipulate the operation of electrical machines through minor input adjustments.
Two-wire Motor
A motor that operates with a simple on-off control, requiring only two wires for operation.
Q3: Cascading timers provide a method to extend
Q10: A time-driven sequencer automatically advances through different
Q11: A limit switch is usually actuated by:<br>A)hand.<br>B)pressure.<br>C)contact
Q12: When the program scan reaches an immediate
Q13: The symbol shown is that for a:
Q13: Communications among different PLC architectures and protocols
Q23: A timer's delay time equals the value
Q61: The sequencer program shown is: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6812/.jpg"
Q75: The transfer of data from a word
Q83: The _ is the target for the