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Exam (elaborations)

TPC 206 DC Equipment & Controls exam with answers.

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TPC 206 DC Equipment & Controls exam with answers.

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TPC Batteries And DC Circuits
Course
TPC Batteries and DC Circuits

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TPC 206 DC Equipment & Controls exam
|\ |\ |\ |\ |\ |\ |\




with answers |\




The main parts of a dc generator are the field poles, end
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



plates, brushes and brush rigging, commutator, frame,
|\ |\ |\ |\ |\ |\ |\



and


armature
coupling
end bells |\




motor starter - CORRECT ANSWERS ✔✔armature
|\ |\ |\ |\ |\




All dc motor windings carrying full-load current should be
|\ |\ |\ |\ |\ |\ |\ |\ |\



examined occasionally for signs of ____________ caused by
|\ |\ |\ |\ |\ |\ |\



poor or loose connections.
|\ |\ |\ |\




chattering
low torque|\




overheating
worn bearings - CORRECT ANSWERS ✔✔overheating
|\ |\ |\ |\ |\

,One advantage of dc motors over ac motors is that a dc
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



motor


experiences lower power losses |\ |\ |\




is easier to rewire to run on a difference potential
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



difference
offers better speed control
|\ |\ |\




provides more efficient power distribution - CORRECT
|\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔offers better speed control |\ |\ |\ |\




In an SCR schematic, G stands for gate and K stands for
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\




cathode
compressed
kilowatt
kvar - CORRECT ANSWERS ✔✔cathode
|\ |\ |\ |\




Which type of power loss varies with the speed of a dc
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



armature and the volume of iron in the core?
|\ |\ |\ |\ |\ |\ |\ |\




Commutation loss |\




Copper loss |\




Eddy-current loss |\

, Hysteresis loss - CORRECT ANSWERS ✔✔Hysteresis loss
|\ |\ |\ |\ |\ |\




Incorrect seating of its plunger can cause a solenoid to
|\ |\ |\ |\ |\ |\ |\ |\ |\




draw too much current
|\ |\ |\




move slowly through its range
|\ |\ |\ |\




produce a slamming action |\ |\ |\




shear its mounting bolts - CORRECT ANSWERS ✔✔draw
|\ |\ |\ |\ |\ |\ |\ |\



too much current
|\ |\




If you double the distance between two magnetic poles,
|\ |\ |\ |\ |\ |\ |\ |\ |\



the magnetic force is
|\ |\ |\




doubled
unchanged
cut in half
|\ |\




reduced to 25% - CORRECT ANSWERS ✔✔reduced to 25%
|\ |\ |\ |\ |\ |\ |\ |\




A single-coil generator produces
|\ |\ |\




pulsating dc |\




SCR triggering
|\
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TPC Batteries and DC Circuits
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TPC Batteries and DC Circuits

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Uploaded on
January 19, 2026
Number of pages
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Written in
2025/2026
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