ELECTRICAL 2025
TROUBLESHOOTING TPC
210
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
A good diode has a resistance that is... - ANSWERS-low in one direction, high is
the other
QUESTION 2
In a pneumatic circuit, leakage of air during the actuating part of the cycle... -
ANSWERS-can usually be ignored
QUESTION 3
Operation of an air-piloted valve is initiated by... - ANSWERS-a surge of air
QUESTION 4
A latched electrical relay is an example of a... - ANSWERS-device that is stable in
both the energized and de-energized conditions
END OF
PAGE 1
, ELECTRICAL 2025
TROUBLESHOOTING TPC
210
QUESTION 5
An open armature winding in a dc motor is indicated by... - ANSWERS-a decrease
in speed
QUESTION 6
A film of oil on the commutator does NOT... - ANSWERS-prolong brush life
QUESTION 7
Mixed brush grades in a dc motor causes... - ANSWERS-unequal load distribution
among brushes.
QUESTION 8
The kind of lubrication that should be used in a bearing is determined by the
bearings... - ANSWERS-maximum operating temperature
END OF
PAGE 2
TROUBLESHOOTING TPC
210
ANSWER ALL QUESTIONS IN THIS SECTION
QUESTION 1
A good diode has a resistance that is... - ANSWERS-low in one direction, high is
the other
QUESTION 2
In a pneumatic circuit, leakage of air during the actuating part of the cycle... -
ANSWERS-can usually be ignored
QUESTION 3
Operation of an air-piloted valve is initiated by... - ANSWERS-a surge of air
QUESTION 4
A latched electrical relay is an example of a... - ANSWERS-device that is stable in
both the energized and de-energized conditions
END OF
PAGE 1
, ELECTRICAL 2025
TROUBLESHOOTING TPC
210
QUESTION 5
An open armature winding in a dc motor is indicated by... - ANSWERS-a decrease
in speed
QUESTION 6
A film of oil on the commutator does NOT... - ANSWERS-prolong brush life
QUESTION 7
Mixed brush grades in a dc motor causes... - ANSWERS-unequal load distribution
among brushes.
QUESTION 8
The kind of lubrication that should be used in a bearing is determined by the
bearings... - ANSWERS-maximum operating temperature
END OF
PAGE 2