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

RPQS
RPSQ
PQRS
RSQP

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase motor connected to 400 V, 50 Hz supply takes 25 A at a power factor of 0.75 lagging. Calculate the capacitance required in parallel with the motor to raise the power factor to 0.95 lagging.

62.55 pF
82.55 pF
92.55 pF
72.55 pF

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MGVCL Exam Paper (30-07-2021 Shift 3)
In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____

All of these
Short circuits
Core movement
Winding damage

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MGVCL Exam Paper (30-07-2021 Shift 3)
Find the current through the resistor and the capacitor for the current shown in figure The switch is closed at t = O and initial change in the capacitor is zero.

I(t) = 5(1 - e⁵⁰⁰⁰ᵗ) A
I(t) = 10e⁵⁰⁰⁰ᵗ A.
I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A
I(t) = 5e⁵⁰⁰⁰ᵗ A.

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MGVCL Exam Paper (30-07-2021 Shift 3)
Consider the following statements associated with Buchholz’s relays.
Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.
Statement 2: Buchholz's relay can be installed on oil cooled transformers.

Both Statement 1 and Statement 2 are FALSE
Statement 1 is TRUE and Statement 2 is FALSE
Both Statement 1 and Statement 2 are TRUE
Statement 1 is FALSE and Statement 2 is TRUE

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