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

MGVCL Exam Paper (30-07-2021 Shift 3)
Nairobi negotiations are related to which of the following Organisation?

UNESCO

World Economic Forum

World Trade Organisation

The United Nations Children's Fund

UNESCO

World Economic Forum

World Trade Organisation

The United Nations Children's Fund

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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) = 5e⁵⁰⁰⁰ᵗ A.

I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10e⁵⁰⁰⁰ᵗ A.

I(t) = 5(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 5e⁵⁰⁰⁰ᵗ A.

I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10e⁵⁰⁰⁰ᵗ A.

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MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

between 10 A and 50 A

between 50 A and 100 A

greater than 100 A

less than 10 A

between 10 A and 50 A

between 50 A and 100 A

greater than 100 A

less than 10 A

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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

0.2 Ω

0.4 Ω

0.8 Ω

0.6 Ω

0.2 Ω

0.4 Ω

0.8 Ω

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MGVCL Exam Paper (30-07-2021 Shift 3)
What items should be considered when looking at a site for a new transformer installation?

Environmental impact

All of these

Site Survey

Soils Report

Environmental impact

All of these

Site Survey

Soils Report

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

synthetic test

dielectric test

routine test

short circuit test

synthetic test

dielectric test

routine test

short circuit test

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