A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

MGVCL Exam Paper (30-07-2021 Shift 3)
A conductor having surface density is embedded in a dielectric medium of permittivity. The electric field in the medium is E. If it is known that the pressure p on the conductor surface is equal to the electric energy density in the medium, then p (in SI unit)is given by

σ²/(4π)

σ/(4πε)

σ²/(2πε)

σ²/(2ε)

σ²/(4π)

σ/(4πε)

σ²/(2πε)

σ²/(2ε)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :

sometimes under-reach and sometimes over-reach

reach remains unaffected due to DC offset

over-reach

under-reach

sometimes under-reach and sometimes over-reach

reach remains unaffected due to DC offset

over-reach

under-reach

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
Murray loop test is performed on a faulty cable 300 m long. At balance, the resistance connected to the faulty core was set at 20 Ω and the resistance of the resistor connected to the sound core was 40 Ω. Calculate the distance of the fault point from the test end.

100 m

300 m

400 m

200 m

100 m

300 m

400 m

200 m

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
Replace the braketed phrase grammatically and conceptually with the help of the given opation. If the given sentence is correct then select the option ’The given sentence is correct’.
The corono virus continued to spread, with the development of infections advancing quickly

continued to spreading, with the development of infections

continued for spread, with the development of infections

The given sentence is correct

continue to spread, with the development of infections

continued to spreading, with the development of infections

continued for spread, with the development of infections

The given sentence is correct

continue to spread, with the development of infections

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the option corresponding to it. If the sentence contains no error, Select "No error" option. (Avoid punctuation errors).
(A) The boys campaigned / (B) not only in / (C) Mumbai also in Chennai / (D) NO ERROR

B

A

D

C

B

A

D

C

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
Consider the following statements and choose the correct option.
Statement 1: DVR (Dynamic Voltage Restorer) is a series compensation device.
Statement 2: DVR protects sensitive electric load from power quality problems such as voltage sags, swells, unbalance and distortion through power electronic controllers."
Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are FALSE

Both Statement 1 and Statement 2 are TRUE

Statement 1 is FALSE and Statement 2 is TRUE

Statement 1 is TRUE and Statement 2 is FALSE

Both Statement 1 and Statement 2 are FALSE

Both Statement 1 and Statement 2 are TRUE

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)

MGVCL Exam Paper (30-07-2021 Shift 3) The DC offset in fault current causes conventional over-current (OC) relays to :

MGVCL Exam Paper (30-07-2021 Shift 3)
The DC offset in fault current causes conventional over-current (OC) relays to :