20) A 3 phase delta connected alternator having a rotating armature will have

2 slip rings

3 slip rings

4 slip rings

6 slip rings

Answer is:

3 slip rings

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

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21) The current from the stator of alternator is taken to external circuit through

Slip ring

Commutator segment

Solid connection

Carbon brush

Answer is:

Solid connection

22) The DC and AC generators are similar in one important function, that is the

Generated emf is DC

Generated emf is AC

Generated emf is pulsating current

Generated emf is an oscillating current

Answer is:

Generated emf is AC

23) Which type of fire extinguisher must NOT be used in case of electrical base fire

Halon extinguisher

Carbn Tetra Chloride extinguisher

Foam extinguisher

Dry powder extinguisher

Answer is:

Foam extinguisher

24) The magnitude of electric shock on human body depends upon

the line voltage

the line current

the line current and line voltage

current flowing through the human body

Answer is:

current flowing through the human body

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

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20) A 3 phase delta connected alternator having a rotating armature will have

3 slip rings

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

Related ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key

21) The current from the stator of alternator is taken to external circuit through

Solid connection

22) The DC and AC generators are similar in one important function, that is the

Generated emf is AC

23) Which type of fire extinguisher must NOT be used in case of electrical base fire

Foam extinguisher

24) The magnitude of electric shock on human body depends upon

current flowing through the human body

ISRO Technician-B Electrician Question Paper - 2016 (Set - 1) with Answer Key