Electrical Machines Which of the following represents the pitch factor? Cos (α/2) sin (α/2) Cos α² Cos α Cos (α/2) sin (α/2) Cos α² Cos α ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is 1200 A. 2400 A. 600 A. 3600 A. 1200 A. 2400 A. 600 A. 3600 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In double cage induction motor, the inner cage offers low resistance and low reactance. high resistance and low reactance. low resistance and high reactance. high resistance and high reactance. low resistance and low reactance. high resistance and low reactance. low resistance and high reactance. high resistance and high reactance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series generators are used in which of the following applications? Air crafts. All of these Used as boosters in dc distribution or transmission. Arc welding. Air crafts. All of these Used as boosters in dc distribution or transmission. Arc welding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? None of these. Full load. No load. Low load. None of these. Full load. No load. Low load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor rotates at slip speed with respect to stator mmf. rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. is at standstill with respect to stator mmf. rotates at slip speed with respect to stator mmf. rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. is at standstill with respect to stator mmf. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS