MGVCL Exam Paper (30-07-2021 Shift 2)
A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 4 hours. What is the permissible overload for a duration of four hours. Assume the permissible load kVA as a fraction of rated kVA is 1.24.

2480 kVA
1240 kVA
620 kVA
930 kVA

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MGVCL Exam Paper (30-07-2021 Shift 2)
In a 3-phase, 4-wire, 400/230 V system, a lamp (L1) of 100 W is connected to one phase and neutral and a lamp (L2) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, then

100 W lamp (L1) becomes dim and 150 W lamp (L2) becomes brighter
100 W lamp (L1) becomes brighter and 150 W lamp (L2) becomes dim
both 100 W lamp (L1) and 150 W lamp (L2) becomes dim
both 100 W lamp (L1) and 150 W lamp (L2) becomes brighter

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following is true regarding access lists applied to an interface?

One access list may be configured, per direction, for each layer 3 protocol configured on an interface
You can apply two access lists to any interface
You can apply only one access list on any interface
You can place as many access lists as you want on any interface until you run out of memory.

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MGVCL Exam Paper (30-07-2021 Shift 2)
A 3-phase motor load has a p.f. of 0.397 lagging. The two wattmeter method used to measure power show the input as 30 kW. Find the reading on each wattmeter.

W1 = 10 kW and W2 = 20 kW
W1 = -10 kW and W2 = 40 kW
W1 = -5 kW and W2 = 35 kW
W1 = 5 kW and W2 = 25 kW

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