Electrical Machines Which motor used in Lathe machine? D.C. cumulative compound motor. None of these D.C. shunt motor. D.C . series motor. D.C. cumulative compound motor. None of these D.C. shunt motor. D.C . series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant power drive above base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant hp drive below the base speed. constant power drive above base speed. constant torque drive above the base speed. constant torque drive below the base speed. constant hp drive below the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the full form of MNP? Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. Magnetic field neutral plane. Magnetic neutral pole. Magnetic field neutral pole. Magnetic neutral plane. Magnetic field neutral plane. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 2.56 %. 4.76%. 2.57 %. 3.76%. 2.56 %. 4.76%. 2.57 %. 3.76%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is lagging power factor leading power factor unity power factor None of these lagging power factor leading power factor unity power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately excited DC motor has an armature resistance of 0.5 Ohm. The supply voltage is 250V. Armature current is 20A and the speed of rotation is 1500 rpm. Find the torque developed? 16.55 Nm Zero 15.6 Nm 15.28 Nm 16.55 Nm Zero 15.6 Nm 15.28 Nm ANSWER DOWNLOAD EXAMIANS APP