Single phase motors objective questions with explanations

Single phase motors objective questions with explanations for ESE , GATE ,SSc RRB ,Electricity boards &other exams

Q no 1 . In a capacitor start motor , the phase displacement between starting and running wdg can be                 nearly :

              a ) 10◽

              b ) 30◽

              c ) 60 ◽

              d ) 90 ◽

explanation

                  answer :  d ) 90 ◽