
Understanding Transformer Concepts
Quiz
•
Construction
•
Professional Development
•
Easy
Caleb Lenz
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the polarity of a transformer?
The direction the secondary coil is wrapped
The color of the wires
The size of the transformer
The type of insulation used.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The polarity of a transformer can be either ______ or subtractive.
Additive
Multiplicative
Divisive
Subtractive
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if a transformer has an impedance of 2% at full load?
The secondary voltage will be limited by 2%
The primary voltage will increase by 2%
The transformer will overheat
The transformer will shut down.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prior to installation, lineworkers always refer to the ______.
Manual
Nameplate
Blueprint
Circuit diagram
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the polarity is additive, where will the x1 bushing be?
On the left-hand side
On the right-hand side
At the top
At the bottom
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The oscillation of the magnetic field in respect to the core creates which type of loss?
Copper loss
Iron loss
Heat loss
Sound loss
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the acceptable impedance range for transformers when banking or paralleling?
+/- 5%
+/- 7.5%
+/- 10%
+/- 12.5%
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