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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
The maximum number of socket outlets allowed per power sub-circuit = ?

2
3
1
4

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Indian Electricity Rules specify that the maximum load on a power sub-circuit should not exceed 3000 watts and the number of outlets should be limited to two.
 

SSC JE Electrical 2019 with solution SET-2
An ideal transformer will not transform?,
I. Power
II. Current
III. Frequency
IV. Voltage

I and II
Ill and IV
II and III
I and III

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SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

No starting torque
Low starting torque
Low starting current
High starting torque

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Synchronous motors are not self-starting. The DC source is applied to the rotor of the synchronous Motor.

SSC JE Electrical 2019 with solution SET-2
The input for a condenser in a steam power plant comes from a/an

Economizer
Air preheater
Turbine
Super heater

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Condenser – Condenser is a heat exchanger in which cooling water is circulated through the tubes. The exhaust steam from the turbine enters the condenser where it is cooled and converted to condensate (water).
 


SSC JE Electrical 2019 with solution SET-2
A diode appears as in forward region of its characteristics?

A high resistor
An OFF switch
A capacitor
An ON switch

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A P-N junction acts as a voltage-controlled switch. During forward biasied the p-n junction diode acts like an ON switch. When reverse biased, it acts like an OFF switch.
 


SSC JE Electrical 2019 with solution SET-2
In excess-three code the 4-bit group that is used is

0010
0001
0011
1110

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The excess-3 code for a given decimal number is determined by adding ‘3’ or “0011” to each decimal digit in the given number.

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