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

MGVCL Exam Paper (30-07-2021 Shift 3)
Message ____ means that the data must arrive at the receiver exactly as sent.

Authentication

None ot these

Integrity

Confidentiality

Authentication

None ot these

Integrity

Confidentiality

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MGVCL Exam Paper (30-07-2021 Shift 3)
Rearrange the following to form a meaningful sentence and find the most logical order from the given options.
P: globally, out of which over 200 million
Q: are now in India, and
R: flipkart has 700 million users
S: growing exponentially

RPSQ

PQRS

RPQS

RSQP

RPSQ

PQRS

RPQS

RSQP

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MGVCL Exam Paper (30-07-2021 Shift 3)
The most commonly used method for the protection of three phase feeder is

Differential protection

None of these

Reverse power protection

Time graded protection

Differential protection

None of these

Reverse power protection

Time graded protection

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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/(2πε)

σ/(4πε)

σ²/(4π)

σ²/(2ε)

σ²/(2πε)

σ/(4πε)

σ²/(4π)

σ²/(2ε)

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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

C

D

A

B

C

D

A

B

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?

120 v

240 V

180 V

160 V

120 v

240 V

180 V

160 V

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