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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be

0.4π V
0.8π V
zero
0.2π V

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

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