Electrical Machines DC Shunt Motor has disadvantage(s) of less expensive. none of above. constant speed. not suitable for rapidly changing loads. less expensive. none of above. constant speed. not suitable for rapidly changing loads. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard system for controlling the speed of a DC motor is used where Very fine speed control over the whole range from zero to normal speed is required. All of above. The accuracy in speed control is required. The speed in both the direction is required. Very fine speed control over the whole range from zero to normal speed is required. All of above. The accuracy in speed control is required. The speed in both the direction is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a cumulatively compound DC motor can be controlled by varying Shunt field resistance control. Armature resistance control. Armature voltage control. Any of above. Shunt field resistance control. Armature resistance control. Armature voltage control. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the generator field terminal. generator armature terminal. motor armature terminal. motor field terminal. generator field terminal. generator armature terminal. motor armature terminal. motor field terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to limit the armature current. vary the armature resistance. control field current. none of above. limit the armature current. vary the armature resistance. control field current. none of above. ANSWER DOWNLOAD EXAMIANS APP
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