MGVCL Exam Paper (30-07-2021 Shift 3)
હું અહી આવી શકું' વાક્યને સ્થળવાચક ક્રીયાવીશેષણમાં ફેરવો.

હું ચેન્નાઈ નહિ આવી શકું.
હું કદી પણ નહિ આવી શકું.
હું નિયમિત રીતે અહી આવી શકું.
હું આજે નહિ આવી શકું.

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MGVCL Exam Paper (30-07-2021 Shift 3)
Determine the ohmic value of the current limiting reactor per phase external to a 40 MVA, 15 kV, 50 Hz, three phase synchronous generator which can limit the current on short circuit of 6 times the full load current. The reactance of the synchronous generator is 0.06 pu.

0.6 Ω
0.8 Ω
0.4 Ω
0.2 Ω

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

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MGVCL Exam Paper (30-07-2021 Shift 3)
In a single phase energy meter, the pressure / voltage coil is wound on

both the limbs of the laminated core with different turns
the edges of the limb on the laminated core
the centre limb of the laminated core / the middle limb of the shunt magnet
both the limbs of the laminated core with same turns

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

under-reach
over-reach
sometimes under-reach and sometimes over-reach
reach remains unaffected due to DC offset

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