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- 1. Multiple Choice
A generator is a device that
convert electrical energy to mechanical energy
convert mechanical energy to mechanical energy
convert mechanical energy to electrical energy
convert electrical energy to electriclal energy
- 2. Multiple Choice
The yoke consist of ALL the following EXCEPT:
lift eye
terminal box
frame foot
armature
- 3. Multiple Choice
The function of the field pole is
increase Flux
increase the number of conductor
send current to the armature
spreads out the flux
- 4. Multiple Choice
The function of the armature core
carries the load
convert current to dc
houses the armature conductor
- 5. Multiple Choice
Brushes are made from:
metal
copper
carbon
gold
- 6. Multiple Choice
The function of the yoke
protective shield or mechanical protection
South pole of magnet
Armature conductor
Electrical shielding
- 7. Multiple Choice
A motor converts
mechanical energy to electrical energy
electrical energy to mechanical energy
wind energy to thermal energy
- 8. Multiple Choice
The construction of DC generator and Motor are different
True
False
- 9. Multiple Choice
The operation of Commutator in DC Generator is to
convert dc to ac
convert ac to dc
convert fixed dc to variable dc
- 10. Multiple Choice
Which of the following source of energy is most widely use to produce electricity.
solar
steam
wind
nuclear
- 11. Multiple Choice
What it is?
Armature
Commutator
Brush
Magnet
- 12. Multiple Choice
Identify the part shown in the diagram
drum
Yoke
Barrel
cylinder
- 13. Multiple Choice
The armature is laminated to
Minimize hysteresis loss
Minimize eddy current loss
Minimize copper loss
vibration
- 14. Multiple Choice
What is the main part shown in the picture?
spring
carbon brush
copper brush
copper lug
- 15. Multiple Choice
Lap windings is suitable for
high voltage, low current
low voltage, low current
High current, low voltage
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