Electrical Machines Compensating winding is placed in the main field pole shoe armature core All of these main field pole shoe armature core All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? Star-delta starter. DOL starter. Auto transformer starter. All of these. Star-delta starter. DOL starter. Auto transformer starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Same as full load. Low. Equal to 1. High. Same as full load. Low. Equal to 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Hysteresis losses Copper losses Eddy current losses Both 1 and 2 Hysteresis losses Copper losses Eddy current losses Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then E ∝ 1/(φf) E ∝ φ/f E ∝ φf E ∝ f/φ E ∝ 1/(φf) E ∝ φ/f E ∝ φf E ∝ f/φ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine, the armature windings are placed on the rotor because of necessity for commutation. development of torque. generation of voltage. electromechanical energy conversion. commutation. development of torque. generation of voltage. electromechanical energy conversion. ANSWER DOWNLOAD EXAMIANS APP
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