Electrical Machines The armature resistance of the dc motor is generally of the range 0.1 ohm. 0.5 ohm. 100 ohm. 50 ohm. 0.1 ohm. 0.5 ohm. 100 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rotating amplifier. rectifier. power pump. prime mover. rotating amplifier. rectifier. power pump. prime mover. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? All of these MMf method. ZPF method. Synchronous impedance method. All of these MMf method. ZPF method. Synchronous impedance method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide overload protection. provide protection against Low-Voltage. limit the starting current to a safer value. all of above. provide overload protection. provide protection against Low-Voltage. limit the starting current to a safer value. all 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. The accuracy in speed control is required. All of above. Very fine speed control over the whole range from zero to normal speed is required. The speed in both the direction is required. The accuracy in speed control is required. All of above. Very fine speed control over the whole range from zero to normal speed is required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce pulsation loss. reduce armature reaction. reduce iron weight. dissipate more heat. reduce pulsation loss. reduce armature reaction. reduce iron weight. dissipate more heat. ANSWER DOWNLOAD EXAMIANS APP