Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be zero. about 50 V. about 2 V. 220 V. zero. about 50 V. about 2 V. 220 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of Greater than 90° less than 90° 90° 0° Greater than 90° less than 90° 90° 0° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.4. 1.5. 1.2. 1.8. 1.4. 1.5. 1.2. 1.8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When two DC series motors are connected in parallel, the resultant speed is less than normal speed. zero. more than normal speed. normal speed. less than normal speed. zero. more than normal speed. normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? 0 a finite negative value a positive finite value ∞ 0 a finite negative value a positive finite value ∞ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? They are self lubricating in nature In case of any sparking they will be less damaged than copper brushes All of these They are not hard as copper brush They are self lubricating in nature In case of any sparking they will be less damaged than copper brushes All of these They are not hard as copper brush ANSWER DOWNLOAD EXAMIANS APP
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