Electrical Machines In an induction motor, the no-load slip is generally equal to less than 1 %. zero. 4 %. 1.5 %. less than 1 %. zero. 4 %. 1.5 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of 0o. Greater than 90o. 90o. less than 90o. 0o. Greater than 90o. 90o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging in induction motor occurs when number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. number of stator teeth - number of rotor teeth = odd number. number of stator teeth - number of rotor teeth = negative number. number of stator teeth - number of rotor teeth = 0. number of stator teeth - number of rotor teeth = even number. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting phenomenon is observed in which motor? Synchronous motor. Both A and C. Induction motor. DC motor. Synchronous motor. Both A and C. Induction motor. DC motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous generator is feeding a zero power factor (lagging) load at rated current. The armature reaction is magnetizing. demagnetizing. cross – magnetizing. ineffective. magnetizing. demagnetizing. cross – magnetizing. ineffective. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V. 1 / V2. V2. V. 1 / V. 1 / V2. V2. V. ANSWER DOWNLOAD EXAMIANS APP
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