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ISRO Technician-B
Electrician
ISRO Technician-B Electrician 2017
16

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

16) Due to skin effect the effective resistance increases

With increasing frequency of AC

With decreasing frequency of AC

With increasing voltage of AC

With decreasing voltage of AC

Answer is:

With increasing frequency of AC

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

17) Corona loss in AC transmission lines is independent of

Diameter of conductors

Spacing between conductors

Surface cleanliness of conductors

Current through the conductors

Answer is:

Current through the conductors

18) A 200 volt shunt DC generator of armature coil resistance of 0.1 ohms and shunt coil resistance of 200 ohms delivers a load of 2 kW. Armature current in amps is

10

11

1

20

Answer is:

11

19) How many parallel paths in simplex wave winding of the DC Motor with 4 poles?

2

4

6

8

Answer is:

2

20) Resistance between one terminal of armature coil and one terminal of shunt coil of a separately excited generator is typically

0.1 ohm

100 ohms

1000 ohms

Greater than 100 M ohms

Answer is:

Greater than 100 M ohms

ISRO Technician-B Electrician Question Paper - 2017 (Set - 1) with Answer Key

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