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

MGVCL Exam Paper (30-07-2021 Shift 3)
The process of peeling of rocks into layers is called

Delta

Brachans

Sublimation

Exfoliation

Delta

Brachans

Sublimation

Exfoliation

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MGVCL Exam Paper (30-07-2021 Shift 3)
A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency.

28.33%

76.66%

63.66%

50.55%

28.33%

76.66%

63.66%

50.55%

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MGVCL Exam Paper (30-07-2021 Shift 3)
The elements are specialized computers used to connect two or more transmission lines.

Transfering

Switching

Networking

Broadcasting

Transfering

Switching

Networking

Broadcasting

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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.

routine test

dielectric test

short circuit test

synthetic test

routine test

dielectric test

short circuit test

synthetic test

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MGVCL Exam Paper (30-07-2021 Shift 3)
The short circuit current of a solar cell is

changes logarithmically with radiation

directly proportional to radiation intensity

inversely proportional to radiation intensity

constant and not affected by radiation

changes logarithmically with radiation

directly proportional to radiation intensity

inversely proportional to radiation intensity

constant and not affected by radiation

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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) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10e⁵⁰⁰⁰ᵗ A.

I(t) = 5e⁵⁰⁰⁰ᵗ A.

I(t) = 5(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10e⁵⁰⁰⁰ᵗ A.

I(t) = 5e⁵⁰⁰⁰ᵗ A.

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