Electrical Machines The compensating winding in a DC machine is located in armature slots for compensation of the armature reaction. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located on pole shoes for avoiding the flashover at the commutator. is located in armature slots for compensation of the armature reaction. is located on pole shoes to avoid the sparking at the brushes. is located on commutating poles for improving commutation. is located on pole shoes for avoiding the flashover at the commutator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of silicon steel. stainless steel. carbon. cast iron. silicon steel. stainless steel. carbon. cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. dynamically induced emf. None of these dynamically and statically induced emf. statically induced emf. dynamically induced emf. None of these dynamically and statically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. increases in both the generators and the motors with load. decreases in generators and increases in motor with load. increases in generators but decreases in motor with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Poles of DC machine are often laminated to reduce iron weight. dissipate more heat. reduce armature reaction. reduce pulsation loss. reduce iron weight. dissipate more heat. reduce armature reaction. reduce pulsation loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum allowable acidity level of power transformer insulating oil is generally taken as 0.5 mg of KOH / gm. 1 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. 0.5 mg of KOH / gm. 1 mg of KOH / gm. 0.3 mg of KOH / gm. 2 mg of KOH / gm. ANSWER DOWNLOAD EXAMIANS APP