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Electrician
Electrician Set-1
Alternators
26

Alternators MCQ - Electrician (Set-1) with Answers

26) The current from the stator of an alternator is taken out to the external load circuit through

slip rings

commutator segments

solid connections

carbon brushes

Answer is:

solid connections

Alternators MCQ - Electrician (Set-1) with Answers

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Related Alternators MCQ - Electrician (Set-1) with Answers

27) In a synchronous machine, the stator frame is made of

Stainless steel

Aluminium

Cast iron or welded steel plates

Laminated silicon steel

Answer is:

Cast iron or welded steel plates

28) The stator of an alternator gets overheated due to

open phase

unbalanced currents in the phases

improper alignment of the rotor

any one or more of the above

Answer is:

any one or more of the above

29) Which type of alternator is used in hydro electric power stations ?

Non salient pole alternator

Turbogenerator

salient pole alternator

steam turbine alternator

Answer is:

salient pole alternator

30) The armature reaction effect in a synchronous machine depends on

load current

power factor of the load

speed of the machine

both 1) load current and 2) power factor of the load

Answer is:

both 1) load current and 2) power factor of the load

Alternators MCQ - Electrician (Set-1) with Answers

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