DC Generators parts & Function

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

The yoke consist of ALL the following EXCEPT:

• lift eye

• terminal box

• frame foot

• armature

The function of the field pole is

• increase Flux

• increase the number of conductor

• send current to the armature

• spreads out the flux

The function of the armature core

• carries the load

• convert current to dc

• houses the armature conductor

Brushes are made from:

• metal

• copper

• carbon

• gold

The function of the yoke

• protective shield or mechanical protection

• South pole of magnet

• Armature conductor

• Electrical shielding

A motor converts

• mechanical energy to electrical energy

• electrical energy to mechanical energy

• wind energy to thermal energy

The construction of DC generator and Motor are different

• True

• False

The operation of Commutator in DC Generator is to

• convert dc to ac

• convert ac to dc

• convert fixed dc to variable dc

Which of the following source of energy is most widely use to produce electricity.

• solar

• steam

• wind

• nuclear