Electrical Machines Flux density under leading pole tips in case of generator will increase None of these either increase or decrease decrease increase None of these either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control is provides speed control In both direction. In one direction only. Above rated speed. Below rated speed. In both direction. In one direction only. Above rated speed. Below rated speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the outer cage offers high resistance and low reactance. high resistance and high reactance. low resistance and low reactance. low resistance and high reactance. high resistance and low reactance. high resistance and high reactance. low resistance and low reactance. low resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following voltage regulator is preferred for providing large values of load current? Transistor series regulator. None of these Transistor shunt regulator. Zener diode shunt regulator. Transistor series regulator. None of these Transistor shunt regulator. Zener diode shunt regulator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The sparking at the the brushes, in a DC machines is due to presence of commutator. armature reaction. reactance voltage. high resistance of carbon brushes. presence of commutator. armature reaction. reactance voltage. high resistance of carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. zoom. magnetostriction. boo. hum. zoom. magnetostriction. boo. ANSWER DOWNLOAD EXAMIANS APP