Electrical Machines The rotor electromotive force of the IM is observed to make 100 complete alterations per minute, calculated slip 0 .001 %. 3.33 %. None of these 3 %. 0 .001 %. 3.33 %. None of these 3 %. 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? 1.8. 1.5. 1.2. 1.4. 1.8. 1.5. 1.2. 1.4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hopkinss test in DC motor is conducted at ? Low load. None of these. No load. Full load. Low load. None of these. No load. Full load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V. V2. 1 / V2. V. 1 / V. V2. 1 / V2. V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Autotransformer makes effective saving on copper and copper losses, when its transformation ratio is equal to very low approx to one. greater than one. less than one. very low approx to one. greater than one. less than one. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to carry extra load. None of these to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. to carry extra load. None of these to interconnect three voltage systems. to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
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