ALTERNATOR MODULE 1

f =

The output of alternator is taken from

• Rotor

• Stator

• Shaft

• Slip ring

The direction of induced emf in a alternator can be found out using

• Faradays law of electromagnetic induction

• Flemings Right hand rule

• Fllemings Left hand rule

• None of these

emf equation is...

What is the supply frequency of an alternator having 6 poles runs at 1000 rpm

• 25Hz

• 50Hz

• 25Hz

• 40Hz

What is the supply frequency in Hertz of an alternator having 4 poles runs at 50 revolutions per second

Name the type of rotor shown in figure

• Cylindrical rotor

• Salient pole type rotor

• Squirrel cage rotor

• Slip ring rotor

What is the name of the equipment that provides D.C to the rotor of alternator?

• Synchroniser

• Exciter

• Inverter

• Converter

The type of Alternator used in steam power plant is ...

• Cylindrical

• Salient pole

• Squirrel cage

• slip ring

In synchronous machines, the salient poles are

• stationary field winding

• rotating field winding

• rotating armature winding

• stationary armature winding