Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be about 2 V. about 50 V. 220 V. zero. about 2 V. about 50 V. 220 V. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. Aame in both alternators. None of these Turbo alternators. Hydro alternators. Aame in both alternators. None of these Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos α Cos α² sin (α/2) Cos (α/2) Cos α Cos α² sin (α/2) Cos (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque is proportional to which of the following? armature current(Ia) flux(φ) None of these both A and B armature current(Ia) flux(φ) None of these both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. linear. wound. cage. none of these. linear. wound. cage. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Synchronous motors. Cage induction motor. Shaded pole IM. Split phase IM. Synchronous motors. Cage induction motor. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP
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