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 2400 A. 600 A. 3600 A. 1200 A. 2400 A. 600 A. 3600 A. 1200 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to the width of the 1 to 2 commutator segment. less than the width of commutator segment. the width more than 3 commutator segment. the width of the 2 to 3 commutator segment. the width of the 1 to 2 commutator segment. less than the width of commutator segment. the width more than 3 commutator segment. the width of the 2 to 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is AC. DC. both of above. None of these AC. DC. both of above. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. aluminium. stainless steel. silicon steel. closed grained cast iron. aluminium. stainless steel. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same phase sequence same frequency same prime mover speed same voltage magnitude same phase sequence same frequency same prime mover speed same voltage magnitude ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on excitation synchronous reactance both 1and 2 load angle excitation synchronous reactance both 1and 2 load angle ANSWER DOWNLOAD EXAMIANS APP
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