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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A power factor less than unity results in which of the following disadvantages?
(i) Large kVA rating of equipment
(ii)Poor voltage regulation
(iii) Greater conductor size

(ii) and (iii) only
(i) and (iii) only
(i), (ii) and (iii)
(i) and (ii) only

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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?

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of the following statement with respect to Aerial Bunched Cables (ABC) system is TRUE?

ABC system requires more clearance, insulators and high maintenance.
ABC system totally eliminates the fault on lines and thereby improving the quality of supply.
The overall cost of the ABC system is very high as compared to the bare conductor system.
ABC system is not suitable for rural electrification which are situated in difficult terrain, hills, forests and coastal areas.

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