Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 60° 20° 18° 30° 60° 20° 18° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is star delta. None of these both A and B. DOL. star delta. None of these both A and B. DOL. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor of a 3 - Φ wound induction motor is provided with three phase winding. heavy short-circuited end rings. single phase winding. heavy copper or aluminium bars placed in rotor slots. three phase winding. heavy short-circuited end rings. single phase winding. heavy copper or aluminium bars placed in rotor slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the mechanical power is developed by a DC motor maximum Back emf is equal. Back emf is equal to half of applied voltage. back emf is equal to applied voltage. None of above. Back emf is equal. Back emf is equal to half of applied voltage. back emf is equal to applied voltage. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. be unpredictable. increase decrease. remain the same. be unpredictable. increase decrease. remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor is used in paper machines? DC compound motor. DC series motor. Separately excited DC motor. DC Shunt motor. DC compound motor. DC series motor. Separately excited DC motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP