Transformers
Authored by Matt G
Specialty
9th - 12th Grade
Used 13+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Name this Autobot
Ratchet
Optimus Prime
Megatron
bumble Bee
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which two (2) of the following methods are used to insulate LV (dry) transformers
Cellulose insulation with mineral oil
Vacuum pressure Impregnated (VPI)
Cast resin (CRT)
Mineral oil only
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An isolating transformer installed in accordance with AS/NZS 3000 must have
one leg of the primary winding connected to the secondary winding
both legs of the primary winding connected to the secondary winding
the primary winding separated from the secondary winding by double insulation
an earthed metal shield installed between windings and bonded to both windings
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to AS/NZS 3000, where a transformer secondary winding supplies equipment via a cable that has a current rating equal to or greater than the transformer secondary winding:
a HRC fuse must be used to protect the cable
circuit protection is not required for the cable
a circuit-breaker must be used to protect the cable
either a circuit-breaker or a fuse must be used to protect the cable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of winding arrangements is used in this transformer construction
side by side
Concentric
Sandwich
LT-HT-LT-HT
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which two (2) of the following methods are used to insulate LV (dry) transformers
Cellulose insulation with mineral oil
Vacuum pressure Impregnated (VPI)
Cast resin (CRT)
Mineral oil only
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following insulation methods is the most preferred to insulate HV (wet) transformers?
Vacuum pressure impregnated (VPI)
Cast resin (CRT)
Mineral oil only
Cellulose insulation with mineral oil
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