Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is All of these minimum maximum zero All of these minimum maximum zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is the largest conversion device? Synchronous machine Induction machine All of these DC machine Synchronous machine Induction machine All of these DC machine ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The principal of starting of 3 - Φ IM is similar to synchronous motor. capacitor run IM. repulsion motor type starting. transformer with short-circuited secondary. synchronous motor. capacitor run IM. repulsion motor type starting. transformer with short-circuited secondary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a motor falls from 1100 r.p.m at no-load to 1050 r.p.m at rated load. The speed regulation of motor is 3.76%. 4.76%. 2.57 %. 2.56 %. 3.76%. 4.76%. 2.57 %. 2.56 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will improve but terminal voltage will fall. worsen and terminal voltage will fall worsen and terminal voltage will rise. improve and terminal voltage will rise . improve but terminal voltage will fall. worsen and terminal voltage will fall worsen and terminal voltage will rise. improve and terminal voltage will rise . ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following motors DC excitation is not required? 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor 3-phase synchronous motor 3-phase synchronous generator hysteresis motor reluctance motor ANSWER DOWNLOAD EXAMIANS APP
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