Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta Star - star ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What happens if fifth multiples of harmonics is given to induction motor? Fail to start. Either short circuit or open circuit occurs. It will rotates in reverse direction. It will rotates in normal operation. Fail to start. Either short circuit or open circuit occurs. It will rotates in reverse direction. It will rotates in normal operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is Series shunt. have an equal number of electrons and protons. Differentical compound. Cummulative compound. Series shunt. have an equal number of electrons and protons. Differentical compound. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The volt-ampere euation for a long-shunt compound motor is given by Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt= Ea + Iara Vt = Ea + Iara+ ILrs Vt= Ea– Iara Vt = Ea + Ia(ra + rs) Vt= Ea + Iara Vt = Ea + Iara+ ILrs ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor The speed of motor will be reduced. The armature current will reduce. The motor will attain dangerously high speed. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Full load. Low load. No load. None of these. Full load. Low load. No load. None of these. ANSWER DOWNLOAD EXAMIANS APP
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