Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 940 rpm 1000 rpm 975 rpm 950 rpm 940 rpm 1000 rpm 975 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. 220 V. about 2 V. about 50 V. zero. 220 V. about 2 V. about 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 1000 rpm 250 rpm 500 rpm 2000 rpm 1000 rpm 250 rpm 500 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A flat compound generator is obtained from compound generator by connecting a variable resistor in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field in parallel with the shunt field in parallel with the series field in series with the series field in series with the shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, full form of MNA is what? Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. Magnetically no-load armature co-ordinate. Magnetic neutral armature co-ordinate. Magnetic neutral axis. Magnetic no-load axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial. radial as well as longitudinal. none of these. longitudinal. radial. radial as well as longitudinal. none of these. longitudinal. ANSWER DOWNLOAD EXAMIANS APP