Electrical Machines Which of the following machine will have maximum efficiency? Induction motor. Electrical power transformer. Electrical power generator. DC motor. Induction motor. Electrical power transformer. Electrical power generator. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 750. 200. 500. 100. 750. 200. 500. 100. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the pitch factor? Cos α sin (α/2) Cos (α/2) Cos α² Cos α sin (α/2) Cos (α/2) Cos α² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - star Star - delta Star - star Delta - delta Delta - star Star - delta Star - star Delta - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. not run. run in a direction opposite to previous one. get damaged. continue running in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. boo. magnetostriction. zoom. hum. boo. magnetostriction. zoom. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS