Electrical Machines The heat generated in the transformer is dissipated mainly by All of these radiation. conduction. convection. All of these radiation. conduction. convection. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. cotton insulation. rubber insulation. paper insulation. wooden insulation. cotton insulation. rubber insulation. paper insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motor cannot be started on no load? series motors cumulative compound motors shunt motors both B and C series motors cumulative compound motors shunt motors both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Semi closed slots or totally closed slots are used in induction motors, essentially to reduce magnetising current and improve power factor decrease starting torque improve starting torque increase pull out torque reduce magnetising current and improve power factor decrease starting torque improve starting torque increase pull out torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Shunt motor Series motor Differential compound motor Cumulative compound motors Shunt motor Series motor Differential compound motor Cumulative compound motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf remains constant. increases. increases upto a limit and then remains almost constant. decreases. remains constant. increases. increases upto a limit and then remains almost constant. decreases. ANSWER DOWNLOAD EXAMIANS APP
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