Electrical Machines In a transformer, the frequency of a voltage at the secondary is any of the above. greater than the primary. less than primary. equal to primary. any of the above. greater than the primary. less than primary. equal to primary. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Limit the current. Avoid sparking. Limit the flux. Limit the speed. Limit the current. Avoid sparking. Limit the flux. Limit the speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will not run. run in a direction opposite to previous one. continue running in the same direction as before. get damaged. not run. run in a direction opposite to previous one. continue running in the same direction as before. get damaged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is inversely proportional to slip either of these not dependent on the slip directly proportional to slip inversely proportional to slip either of these not dependent on the slip directly proportional to slip ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature shaft must be able to withstand any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. All of these bending moment due to weight of the armature. any unbalanced magnetic pull on the armature core. twisting strains due to transmission of torque. All of these bending moment due to weight of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slip rings of an induction motors are made of carbon. stainless steel. aluminium. phosphor bronze. carbon. stainless steel. aluminium. phosphor bronze. ANSWER DOWNLOAD EXAMIANS APP
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