Electrical Machines For pure resistive load what is the armature reaction? All of these magnetization demagnetization cross magnetization All of these magnetization demagnetization cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms is connected directly to a 230 Volt supply. If the armature is stationary then the current flowing through armature is 570 A. 340 A. 250 A. 460 A. 570 A. 340 A. 250 A. 460 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The polarity of a DC generator can be reversed by reversing the field current. increasing field current. reversing field electric current as well as direction of rotation. any of above. reversing the field current. increasing field current. reversing field electric current as well as direction of rotation. any of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type motors are preferred for lathes? Either A or B. DC shunt motors. Squirrel Cage induction motor. Synchronous motor. Either A or B. DC shunt motors. Squirrel Cage induction motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. starting torque. running torque. efficiency. speed regulation. starting torque. running torque. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Universal motor have which of the following application? Lift. Food mixer. Traction. Domestic pump. Lift. Food mixer. Traction. Domestic pump. ANSWER DOWNLOAD EXAMIANS APP