E-1). The amount of torque developed by a 3-phase squirrel-cage induction motor from no-load to rated-load is_________ proportional to the amount of current flow through the rotor conductors. a) directly b) inversely E-2). If a 3-phase squirrel-cage induction motor were to run at synchronous speed, there would be no relative motion between the rotating magnetic field and the rotor conductors. As a result, there would be no voltage induced in the rotor conductors and no torque developed. a) true b) false E-3). What is the difference between synchronous speed and rotor speed of a 3-phase squirrel-cage induction motor called? a) outrun rpm b) sub-synchronous speed c) slip d) none of the above
E-1). The amount of torque developed by a 3-phase squirrel-cage induction motor from no-load to rated-load is_________ proportional to the amount of current flow through the rotor conductors.
a) directly b) inversely
E-2). If a 3-phase squirrel-cage induction motor were to run at synchronous speed, there would be no relative motion between the rotating magnetic field and the rotor conductors. As a result, there would be no voltage induced in the rotor conductors and no torque developed.
a) true b) false
E-3). What is the difference between synchronous speed and rotor speed of a 3-phase squirrel-cage induction motor called?
a) outrun rpm b) sub-synchronous speed c) slip d) none of the above
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