MGVCL Exam Paper (30-07-2021 Shift 2)
In the following question, one part of the sentence may have an error. Find out which part of the sentence has an error and select the option corresponding to it. If the sentence contains no error, Select "No error'' option. (Avoid punctuation errors).
(A) The Manager, with / (B) all his employee, was / (C) fired from the company /(D) NO ERROR

D
C
B
A

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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

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

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MGVCL Exam Paper (30-07-2021 Shift 2)
નીચે માંથી ક્યાં રુઢિપ્રયોગનો અર્થ 'છેતરવું' એવો થાય

આડા ઉતરવું
બે પાંદડે થવું
હથેળીમાં ચાંદ દેખાડવો
દસ મારવો

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MGVCL Exam Paper (30-07-2021 Shift 2)
Interposing current-transformer (CT) is used in differential protection of a transformer to

increase the sensitivity of the relay
limit the main CT secondary current
minimize the effect of saturation of the main CTs
match the standard ratio of CTs used on both sides of the transformer winding

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MGVCL Exam Paper (30-07-2021 Shift 2)
A short-shunt dc compound generator supplies 50 A at 300 V. If the shunt field resistance, series field resistance and armature resistance are 30 Ω, 0.03Ω, and 0.05 Ω respectively, determine the e.m.f. generated.

308.5 V
306.5 V
302.5 V
304.5 V

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