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

MGVCL Exam Paper (30-07-2021 Shift 3)
Data Encryption Standard (DES) was designed by

None of these

Microsoft

IBM

Apple

None of these

Microsoft

IBM

Apple

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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%

63.66%

50.55%

76.66%

28.33%

63.66%

50.55%

76.66%

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MGVCL Exam Paper (30-07-2021 Shift 3)
A delta-connected balanced three-phase load is supplied from a three phase, 400 V supply. The line current is 20 Aand the power taken by the load is 10 kW. Find the power consumed if the same load is connected in star.

3.33 W

16.33 W

30 W

21.77 W

3.33 W

16.33 W

30 W

21.77 W

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MGVCL Exam Paper (30-07-2021 Shift 3)
Which among these components connects to physical equipments of the distribution system?

None of these

Communication infrastructure

Central control room with host computers

Remote Terminal Unit

None of these

Communication infrastructure

Central control room with host computers

Remote Terminal Unit

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

Confidentiality

None ot these

Authentication

Integrity

Confidentiality

None ot these

Authentication

Integrity

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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) = 5e⁵⁰⁰⁰ᵗ A.

I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 5(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 10e⁵⁰⁰⁰ᵗ A.

I(t) = 5e⁵⁰⁰⁰ᵗ A.

I(t) = 10(1 - e⁵⁰⁰⁰ᵗ) A

I(t) = 5(1 - e⁵⁰⁰⁰ᵗ) A

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