DGVCL Exam Paper (12-06-2016) A 100-watt light bulb turned on for 8 hours uses : 0.8 kWh 800 Wh 8 kWh None of these 0.8 kWh 800 Wh 8 kWh None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In Solution 0.8 kWh and 800 Wh both options are given as answer as both are correct
DGVCL Exam Paper (12-06-2016) What will happen if the primary of a transformer is connected to DC supply? Transformer may start to smoke and burn Transformer will operate with high efficiency No effect Transformer will operate with low efficiency Transformer may start to smoke and burn Transformer will operate with high efficiency No effect Transformer will operate with low efficiency ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer works on principle of faraday's law of electromagnetic induction. So if D.C supply use, no indction are produced and due to this E.M.F not induced in winding and transfer of electrical energy is not possible.
DGVCL Exam Paper (12-06-2016) Which of the following circuit breakers has high reliability & minimum maintenance? Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) SF₆ gas: Is nontoxic Is lighter than air Has pungent smell Is yellow in colour Is nontoxic Is lighter than air Has pungent smell Is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The following formula is correct: Load factor = Average load for a period x Peak load for the same period Load facto r= Average load for a period/Peak load for the same period Load factor = Average load for a period + Peak load for the same period All of these Load factor = Average load for a period x Peak load for the same period Load facto r= Average load for a period/Peak load for the same period Load factor = Average load for a period + Peak load for the same period All of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). Power generation Cogeneration Captive Power Plant None of these Power generation Cogeneration Captive Power Plant None of these ANSWER DOWNLOAD EXAMIANS APP
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