Electrical Machines The emf induced in the dc generator armature winding is AC and DC None of these DC AC AC and DC None of these DC AC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 140 V 175 V 240 V 120 V 140 V 175 V 240 V 120 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a variable reluctance motor. switched reluctance motor. induction motor. DC motor. variable reluctance motor. switched reluctance motor. induction motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be steady and unidirectional pulsating and unidirectional None of these oscillating steady and unidirectional pulsating and unidirectional None of these oscillating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of hard-drawn copper copper copper alloy brass hard-drawn copper copper copper alloy brass ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque generation of voltage electromechanical energy conversion commutation development of torque generation of voltage electromechanical energy conversion commutation ANSWER DOWNLOAD EXAMIANS APP
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