The speed of an induction motor

Related MCQs

• A wound rotor induction motor can be distinguished from a squirrel cage induction motor by
• A 4-pole, 3-phase induction motor is running at 4 percent slip at full load. If the speed of the motor is 720 rpm, the supply frequency is
• A 3-phase , 50 Hz , 4-pole squirrel cage induction motor has its stator rewound for 6 poles without any alternations in the rotor. The motor would now run at a speed
• A 4 pole, 440V, 50Hz induction motor is running at a slip of 4%. The speed of motor is ____.
• the difference between the synchronous speed and the actual speed of an induction motor is known as
• The speed of rotor of an induction motor is always ………………… synchronous speed.
• Two of the supply terminals to a 3-phase induction motor get interchanged during reconnection after normal maintenance. When switched on to supply, the motor will
• A 3 phase induction motor connected from a 3 pjhase, 50Hz AC supply runs at 720rpm and has slip 4%. The number of poles in motor are _____.
• A 3-phase, 4-pole induction motor has a no-load slip of 2% when connnected to a 25 Hz source, the no-load speed in rpm is
• The speed of rotating field due to rotor currents relative to rotor surface in an induction motor is