Electrical Machines If a DC Series motor is connected across an AC supply it will burn. run at lower speed. not run. run at normal speed. burn. run at lower speed. not run. run at normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? reluctance motor 3-phase synchronous generator 3-phase synchronous motor hysteresis motor reluctance motor 3-phase synchronous generator 3-phase synchronous motor hysteresis motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is lighter in weight. cheaper in cost. of low resistivity. easy to cast owing to its low melting point and is easily available. lighter in weight. cheaper in cost. of low resistivity. easy to cast owing to its low melting point and is easily available. 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. DC motor. switched reluctance motor. induction motor. variable reluctance motor. DC motor. switched reluctance motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for generation of voltage commutation electromechanical energy conversion development of torque generation of voltage commutation electromechanical energy conversion development of torque ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in shunt motors either of these series motors None of these shunt motors either of these series motors None of these ANSWER DOWNLOAD EXAMIANS APP
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