Electrical Machines Methods of synchronizing of alternator may be done by all of these. one dark two bright. all dark lamp method. all bright lamp method. all of these. one dark two bright. all dark lamp method. all bright lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of a permanent magnet dc motor is 0.8 Ohm. At no load, the motor draws 1.5 A from a supply voltage of 25 V and runs at 1500 rpm. The efficiency of the motor while it is operating on load at 1500 rpm drawing a current of 3.5 A from the same source will be 48.0%. 57.1%. 59.2%. 88.8%. 48.0%. 57.1%. 59.2%. 88.8%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? full load half load no load any of the above full load half load no load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would be more than 10% be less than 10% remain unchanged be 12.5% be more than 10% be less than 10% remain unchanged be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Differential compound motor Series motor Cumulative compound motors Shunt motor Differential compound motor Series motor Cumulative compound motors Shunt motor ANSWER DOWNLOAD EXAMIANS APP
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