5357 103 Written
Authored by Robert Howlett
Construction
12th Grade
Used 2+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Electricity is generated at which voltage?
133kV
400kV
25kV
33kV
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a transmission voltage?
66kV
33kV
25kV
133kV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is not a method for cooling transformers?
Air
Oil
Gas (Sf6)
Refrigeration
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these does not contribute to transformer core losses?
Hysteresis
Eddy currents
Type of core (Core/Shell)
Copper losses
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Back EMF in a winding is caused by?
Fluctuations in resistance
Fluctuations in voltage
Fluctuations in current
Fluctuations in magnetic fields
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Inductive reactance is represented by?
X
XC
XL
X0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If XL=60Ω and R=80Ω calculate Z?
110Ω
105Ω
115Ω
100Ω
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