Electrical Machines In DC machine torque depends on which of the following? both A and B speed flux (φ) armature current (I) both A and B speed flux (φ) armature current (I) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is -0.08 -1.92 0.08 1.92 -0.08 -1.92 0.08 1.92 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a transformer has turns ratio K, the primary and secondary current are I1 and I2 respectively and magnetizing current and core loss component of no load current Iμ and Iw respectively, then I1 = KI2. I1 = KI2 + Iw. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iμ. I1 = KI2. I1 = KI2 + Iw. I1 = KI2 + Iw + Iμ.ok I1 = KI2 + Iμ. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, the no-load slip is generally equal to 1.5 %. 4 %. less than 1 %. zero. 1.5 %. 4 %. less than 1 %. zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve low starting torque. quick acceleration. high efficiency. reduced size. low starting torque. quick acceleration. high efficiency. reduced size. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of Greater than 90o. 90o. 0o. less than 90o. Greater than 90o. 90o. 0o. less than 90o. ANSWER DOWNLOAD EXAMIANS APP
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