MGVCL Exam Paper (30-07-2021 Shift 2)
In the context of smart meters, the term 'SMETS' stand for

Standard Monitoring Equipment Technical Specifications
Smart Monitoring Equipment Technical Specifications
Smart Metering Equipment Technical Specifications
Standard Metering Equipment Technical Specifications

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:

75 kVAR
50 kVAR
100 kVAR
25 kVAR

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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

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

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