Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these decrease either increase or decrease increase None of these decrease either increase or decrease increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? low slip region unity slip high slip region both 1 and 2 low slip region unity slip high slip region both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. 6000 W, 7000 W. 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. 6000 W, 7000 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. they have very good speed regulation. these are cheaper in cost, simple and rugged in construction. they have maximum efficiency and maximum starting torque. they are capable of operation under range of leading and lagging pf. they have very good speed regulation. these are cheaper in cost, simple and rugged in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A separately-excited dc motor has an armature resistance of 0.5 Ω. It runs off a 250 V dc supply Drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current Of 10 A, for the same field current, will be 15.6 Nm 15.92 Nm 15.28 Nm 16.55 Nm 15.6 Nm 15.92 Nm 15.28 Nm 16.55 Nm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Low. Equal to 1. Same as full load. High. Low. Equal to 1. Same as full load. ANSWER DOWNLOAD EXAMIANS APP
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