Electrical Machines The induction motor shaft is made of cast iron. aluminium. stainless steel. mild steel. cast iron. aluminium. stainless steel. mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when shaft rotation is high. induced voltage is high. rate of change of flux is minimum. rate of change of flux is maximum. shaft rotation is high. induced voltage is high. rate of change of flux is minimum. rate of change of flux is maximum. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. high voltage DC to low voltage DC. AC to DC. Both AC to DC and DC to AC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine emf in armature conductors and at the terminals is alternating. current and emf in armature are alternating. current and emf in armature are unidirectional current and emf at the terminals are alternating. emf in armature conductors and at the terminals is alternating. current and emf in armature are alternating. current and emf in armature are unidirectional current and emf at the terminals are alternating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. low. zero. high. medium. low. zero. high. medium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under commutation results in sparking at the leading edge of the brush. no sparking. sparking the trailing edge of the brush. sparking at the middle of the brush. sparking at the leading edge of the brush. no sparking. sparking the trailing edge of the brush. sparking at the middle of the brush. ANSWER DOWNLOAD EXAMIANS APP
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