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MGVCL EXAM PAPER (30-07-2021 SHIFT 3) QUIZ

A DC shunt generator has an induced voltage of 220 V on open circuit. When the machine is on load the terminal voltage is 200 V. Find the load current if the field resistance is 100 Ω and armature resistance is 0.2 Ω.

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Consider the following statements associated with Buchholz’s relays.<br/>Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.<br/>Statement 2: Buchholz's relay can be installed on oil cooled transformers.

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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, what will be the voltage across a 150 W lamp (L₂)?

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સારું:નરસું::શુક્લ: ?

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In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____

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A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

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Which feature is used in Ms Word to make the selected sentence to All Capital Letters or All Small Letters?

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In transformers,<br/>Statement 1: Deterioration of oil may occur due to the result of prolonged overloading of the transformer.<br/>Statement 2: Dielectric faults occur in the winding due to turn-to-turn insulation breakdown.

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What items should be considered when looking at a site for a new transformer installation?

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Choose the best option from the given alternatives which can be substituted for the given word/sentence.<br/>Code of diplomatic etiquette and precedence

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