Electrical Machines Lamination of transformer core is made of cast steel. cast iron. silicon steel. wrought iron. cast steel. cast iron. silicon steel. wrought iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. high viscosity. low BDV. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous motor can be started by coupling it with a DC compound motor. coupling it with a small AC induction motor called the pony motor. any of the above methods. providing damper winding in its rotor circuit. coupling it with a DC compound motor. coupling it with a small AC induction motor called the pony motor. any of the above methods. providing damper winding in its rotor circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To control the speed of an induction motor, the supply frequency is reduced by 10%. For the same magnetizing current to remain constant, the supply voltage must be increased by 10% reduced by 20% reduced by 10% increased by 20% increased by 10% reduced by 20% reduced by 10% increased by 20% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in shunt motors either of these None of these series motors shunt motors either of these None of these series motors ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS