Electrical Machines The direction of rotation of a DC motor can be determined by Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. Fleming's right hand rule. Fleming's left hand rule. Ampere's law. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic field neutral pole. Magnetic neutral pole. Magnetic neutral plane. Magnetic field neutral plane. Magnetic field neutral pole. Magnetic neutral pole. Magnetic neutral plane. Magnetic field neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has average value. maximum value. rms value. total value. average value. maximum value. rms value. total value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 0.02, 0.98 0.04, 1.96 0.02, 1.98 0.04, 0.96 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Rotor speed. Synchronous speed. Core loss component. Shaft torque. Rotor speed. Synchronous speed. Core loss component. Shaft torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. damping torque. synchronizing power co efficient. mechanical rotatory system. restoring torque. damping torque. synchronizing power co efficient. mechanical rotatory system. restoring torque. ANSWER DOWNLOAD EXAMIANS APP