SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
The residential distribution system employs_____

Two-phase, four-wire

Three-phase, four-wire

Three-phase, three-wire

Single-phase, two-wire

Two-phase, four-wire

Three-phase, four-wire

Three-phase, three-wire

Single-phase, two-wire

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SSC JE Electrical 2019 with solution SET-2
In a suspension type insulator the voltage…..?

Across the center disc is minimum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is maximum

Across the center disc is minimum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is maximum

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

2

3

0

1

2

3

0

1

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SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Nichrome

Silver

Glass

Iron

Nichrome

Silver

Glass

Iron

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SSC JE Electrical 2019 with solution SET-2
The wattage rating of a single-phase induction motor used as a ceiling fan will be in the range of

50 to 150 W

200 to 500 W

600 to 800 W

10 to 50 W

50 to 150 W

200 to 500 W

600 to 800 W

10 to 50 W

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SSC JE Electrical 2019 with solution SET-2
The impedance at resonance offered by a parallel resonant circuit is

Minimum given by I/CR

Maximum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

Minimum given by I/CR

Maximum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

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