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Neets Module 03-Introduction to Circuit Protection, Control, and Measurement | Next
ANSWERS TO QUESTIONS Q1. THROUGH Q30 |
3-37
A POINT BENDER is used to adjust contact spacing of a relay. No other tool should be used.
ANSWERS TO QUESTIONS Q1. THROUGH Q30.
A1. To remove power from a malfunctioning device; to remove power from a device you wish to work
on and restore power when the work is completed; to turn devices on and off as the device is
needed; to select the function or circuit desired within a device.
A2. Switches, solenoids, and relays.
A3.
a. Solenoid.
b. Switch.
c. Relay.
A4. A manual switch must be turned on or off by a person. An automatic switch turns a circuit on or
off without the action of a person (by using mechanical or electrical devices).
A5. A light switch, an ignition switch, television channel selector, etc.
A6. A thermostat, an automobile distributor, a limit switch, etc.
A7. Multicontact switches make possible the control of more than one circuit or the selection of one of
several possible circuits with a single switch.
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