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SSC JE Electrical 2019 with solution SET-2

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

0010
0011
1110
0001

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

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

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

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SSC JE Electrical 2019 with solution SET-2
The water hammer effect is expected in a

Surge tank
Turbine casing
Penstock
Draft tube

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SSC JE Electrical 2019 with solution SET-2
The change in DC excitation of a synchronous motor will also change the

Power factor
Supply voltage
Speed of the motor
Load angle

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SSC JE Electrical 2019 with solution SET-2
Which of the following instruments has a uniform scale?

Electrodynamic type
PMMC type
Dynamometer type
Moving iron type

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

In the PMMC type instrument, the deflection is directly proportional to the current flowing through the instrument, we get a uniform scale for the instrument. It gives a uniform scale of upto 270° or more.
Td ∝ I

SSC JE Electrical 2019 with solution SET-2
The torque angle of a 3-phase synchronous motor depends on its _____

Excitation
Load
Speed
Supply voltage

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