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ISRO
ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2016
28

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

28) What is the ripple frequency of 415 V, 50Hz, 3-phase full wave rectifier

50

100

150

300

Answer is:

300

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

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

29) In a motor generator set, the type of AC motor used is

Squirrel cage induction motor

Wound rotor induction motor

AC Commutator motor

Synchronous motor

Answer is:

Squirrel cage induction motor

30) Two pin sockets should not be used in domestic wiring unless the appliance to be connected iss

Double earthed

Double insulated

Controlled by ELCB

Controlled by MCB

Answer is:

Double insulated

31) Which type of wiring is suitable for multi-storey building

Tree system

Ring main system

Distribution board system

Ring main and distribution board system

Answer is:

Tree system

32) What is the maximum permissible wattage of an appliance on a 16A fuse branch circuit?

3.0 KW

3.9 KW

4.0 KW

8.0 KW

Answer is:

3.0 KW

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

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