MGVCL Exam Paper (30-07-2021 Shift 3) નીચે પૈકી 'ઓસોડ' નો સમાનર્થી શબ્દ કયો છે? અમર અનરવું ઔષધ વૃંદા અમર અનરવું ઔષધ વૃંદા ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) What is the full form of the acronym 'SWIFT', in financial institution? Society for Worldwide Interbank Financial Telecommunication Social World interconnection in Financial Tech process Social Wide in Financial Transaction Society website in Financial Terms Society for Worldwide Interbank Financial Telecommunication Social World interconnection in Financial Tech process Social Wide in Financial Transaction Society website in Financial Terms ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A single phase full converter bridge, connected to 230 V, 50 Hz source is feeding a load R =10 Ω in series with a large inductance that makes the load current ripple free. For a firing angle of 450, calculate the rectification efficiency. 28.33% 63.66% 76.66% 50.55% 28.33% 63.66% 76.66% 50.55% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Rectification efficiency = DC output power/AC input power
MGVCL Exam Paper (30-07-2021 Shift 3) Find the word which is correctly spelt from the given options. Seriuous Obecity Syndrome Abolishid Seriuous Obecity Syndrome Abolishid ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A 10-pole induction motor is supplied by a 6-pole alternator, which is driven at 1400 rpm. If the motor runs with a slip of 5%, what is its speed? 798 rpm 1575 rpm 1425 rpm 882 rpm 798 rpm 1575 rpm 1425 rpm 882 rpm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Slip of the induction motor,S = (Ns - Nr)/NsNs = (120*f)/PPoles (P) = 61400 = (120*f)/6f = 70 HzFor P = 10Ns = (120*70)/10= 840 rpmNr = Ns(1 - S)= 840*(1 - 0.05)= 798 rpm
MGVCL Exam Paper (30-07-2021 Shift 3) Consider the following statements associated with Buchholz’s relays.Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.Statement 2: Buchholz's relay can be installed on oil cooled transformers. Statement 1 is TRUE and Statement 2 is FALSE Statement 1 is FALSE and Statement 2 is TRUE Both Statement 1 and Statement 2 are FALSE Both Statement 1 and Statement 2 are TRUE Statement 1 is TRUE and Statement 2 is FALSE Statement 1 is FALSE and Statement 2 is TRUE Both Statement 1 and Statement 2 are FALSE Both Statement 1 and Statement 2 are TRUE ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Buchholz relay is used for protecting transformer against incipient or internal faults.Buchholz relay is a gas-actuated relay installed in oil immersed transformers for protection against all kinds of faults.
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