Transformers

Transformers

9th - 12th Grade

40 Qs

quiz-placeholder

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Transformers

Transformers

Assessment

Quiz

Specialty

9th - 12th Grade

Practice Problem

Hard

Created by

Matt G

Used 13+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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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