Electrical Machines Hysteresis loop represents the area of total iron losses copper loss eddy current loss hysteresis loss total iron losses copper loss eddy current loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. rotor can not have any laminations. sipper. thicker. thinner. rotor can not have any laminations. sipper. thicker. thinner. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V, DC shunt motor is operating at a speed of 1440 rpm. The armature resistance is 1.0 Ω and armature current is 10 A. of the excitation of the machine is reduced by 10%, the extra resistance to be put in the armature circuit to maintain the same speed and torque will be 2 .1 Ω 3.1 Ω 1.8 9 Ω 1.79 Ω 2 .1 Ω 3.1 Ω 1.8 9 Ω 1.79 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 10KVA auto transformer, turn ratio is 0.4. Find the power transferred inductively? 4 KVA 0 KVA 6 KVA 10 KVA 4 KVA 0 KVA 6 KVA 10 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 0.1 Ω 50 Ω 100 Ω 10 Ω 0.1 Ω 50 Ω 100 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the function of inter pole in DC generator? Both option B and C. To get a superior commutation. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. Both option B and C. To get a superior commutation. To serve the economical aspects. To neutralize the distortion of main field flux due to armature reaction. ANSWER DOWNLOAD EXAMIANS APP
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