1. The term inching is often used when referring to across-the-line starters.
a. True
b. False
2. Neither jogging nor inching prevent a holding circuit.
a. True
b. False
3. When a jogging circuit is used, the starter can be energized only as long as the jog button is depressed.
a. True
b. False
4. The addition of a control relay to a jogging circuit provides even greater control of the motor drive than the use of a
jogging circuit alone.
a. True
b. False
5. A selector push button can be used to obtain jogging.
a. True
b. False
Name: Class: Date:
Unit 23 Jogging (Inching) Control Circuits
6. Joggingisdefinedby____as“thequicklyrepeatedclosureofacircuittostartamotorfromrestforthepurposeof
accomplishingsmallmovementsofthedrivenmachine.”
a. ASA b. UL
c. IEEE d. NEMA
7. When a jogging circuit is used, the machine operator has ____ control of the motor drive.
a. close to full b. little
c. instantaneous d. no
8. The use of a selector switch in the control circuit to obtain jogging requires a three-element control station with start
and stop controls and a ____ switch.
a. temperature b. selector
c. pressure d. limit
9. When jogging with a control relay on a reversing starter, while the relay is energized, ____.
a. the reversing jogger becomes operational
b. both the forward and the reverse starter will be de-energized
c. both the forward and the reverse starter will also remain energized
d. either the forward or the reverse starter will also remain energized
10. Jogging can be implemented using a ____, two-position selector switch.
a. standard-duty b. heavy-duty
c. light-duty d. special-purpose
Name: Class: Date:
Unit 23 Jogging (Inching) Control Circuits