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