Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. none of these. cage. wound. linear. none of these. cage. wound. linear. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For standing a DC motor a starter is required because it limits the starting current to a safe value. it limits the speed of the motor. None of these It starts the motor. it limits the starting current to a safe value. it limits the speed of the motor. None of these It starts the motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to Ia I/Ia2 Ia2 1/Ia Ia I/Ia2 Ia2 1/Ia ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The low voltage winding of a 400/230 V single phase 50 Hz transformer is to be connected to keep the magnetization current at the same level in both the cases the voltage at 25 Hz should be 460 V 115 V 230 V 65 V 460 V 115 V 230 V 65 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S S 1-S 1/(1-S) 1/S S 1-S 1/(1-S) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Sandwiched lv and hv discs on each core limb Half lv inside and half hv outside on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Sandwiched lv and hv discs on each core limb Half lv inside and half hv outside on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS