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EL0019 - DC Machines

Authored by Matt G

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Vocational training

Used 37+ times

EL0019 - DC Machines
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30 questions

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1.

LABELLING QUESTION

1 min • 1 pt

What is the component labelled

"F"

d

Armature laminations

Field magnet

Frame

Brush holder

Commutator

Armature winding

2.

LABELLING QUESTION

1 min • 1 pt

What is the component labelled

"C"

b

Field magnet

Armature winding

Commutator

Brush holder

Frame

Armature laminations

3.

LABELLING QUESTION

1 min • 1 pt

What is the component labelled

"D"

a

Brush holder

Field magnet

Armature winding

Frame

Armature laminations

Commutator

4.

DROPDOWN QUESTION

1 min • 1 pt

Converts Electrical energy into Mechanical energy​: (a)  

Converts Mechanical enrgy into Electrical energy:​ (b)  

DC Motor
DC Generator
Relay
Series Circuit
Hysteresis
Eddy Currents

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which way will the coil spin if it was a generator?

Clockwise

Anticlockwise

Answer explanation

Right hand rule for generators

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Which parts of a DC machine usually requires the most maintenance?

Windings

Field magnets

Commutator

Brushes

Frame

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Identify the following circuit diagram

Self excited compound DC Generator (Short Shunt)

Self excited compound DC Generator (Long Shunt)

Seperatley excited DC Generator

Self excited shunt DC Generator

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