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DC Generators Quiz 2

Total questions: 10

Worksheet time: 17mins

Name
Class
Date
1.

The ideal condition for the voltage regulation in DC generators is that it _______________ with the load current.

a)

remains constant

b)

increases

c)

decreases

d)

remains zero

2.

The drop in terminal voltage is caused by the loss in voltage due to ________________.

a)

armature reaction

b)

commutator reaction

c)

field poles reaction

d)

brushes reaction

3.

It is the type of DC generator whose field magnets are energized from an independent external source of dc current.

a)

separately-excited dc generator

b)

long-shunt compound wound dc generator

c)

series wound dc generator

d)

self-excited dc generator

4.

These types of dc generators are those whose field magnets are energized by the current produced by the generators themselves.

a)

self-excited generators

b)

separately-excited generators

c)

short-shunt compound wound dc generators

d)

compound wound dc generators

5.

These type of generators are commonly used as boosters.

a)

series wound dc generators

b)

shunt wound dc generators

c)

compound wound dc generators

d)

dc generators

6.

What type of dc generators circuit is shown in the figure?

a)

long-shunt compound wound dc generator

b)

short-shunt compound wound dc generator

c)

hybrid dc generator

d)

series wound dc generator

7.

What type of dc generator is shown in the figure?

a)

long-shunt compound wound dc generator

b)

short-shunt compound wound dc generator

c)

compound wound dc generator

d)

shunt wound dc generator

8.

What is the current that flows through the shunt coil?

a)

4.6 A

b)

450 A

c)

454.6 A

d)

13.6 A

9.

What is the voltage drop at the armature?

a)

13.6 V

b)

230 V

c)

243.6 V

d)

0 V

10.

Calculate the generated voltage.

a)

243.6 V

b)

13.6 V

c)

230 V

d)

216.4 V