Electrical Machines The output power of a dc motor is given by EbIa. EIa. none of these. EbIa2. EbIa. EIa. none of these. EbIa2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is none. electromagnetic torque. maximum torque. starting torque. none. electromagnetic torque. maximum torque. starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC machine, the angle between the stator and rotor fields is 90o. dependent upon the load. 0o. 180o. 90o. dependent upon the load. 0o. 180o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on frequency. excitation. load angle. both 1 and 2. frequency. excitation. load angle. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? None of these same in both methods armature resistance control field weakening method None of these same in both methods armature resistance control field weakening method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? All of these Insulation requirement is less. Collecting of large current is simple. Operating cost is less. All of these Insulation requirement is less. Collecting of large current is simple. Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
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