SSC JE Electrical 2019 with solution SET-2
The total number of possible phase sequences for a three-phase AC system is ____

3
0
1
2

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SSC JE Electrical 2019 with solution SET-2
Conductors experience skin effect in

DC transmission
AC transmission
Both AC and DC transmissions
HVDC transmission

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SSC JE Electrical 2019 with solution SET-2
For a three-phase induction motor slip at No Load ÷  slip at Full Load

Always less than one
Always equal to zero
Always less than one
Always equal to one

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

1110011
0101010
0101011
1101010

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SSC JE Electrical 2019 with solution SET-2
Lower efficiency, lower power factor, are the features of which of the following motors?

DC shunt motor
Single-phase induction motor
Three-phase synchronous motor
Three-phase induction motor

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