Electrical Machines When the mechanical power is developed by a DC motor maximum back emf is equal to applied voltage. Back emf is equal to half of applied voltage. Back emf is equal. None of above. back emf is equal to applied voltage. Back emf is equal to half of applied voltage. Back emf is equal. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to get saturated. In order to get more flux. In order to not to get saturated. All of these In order to get saturated. In order to get more flux. In order to not to get saturated. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used to act as an oil storage. for better cooling of transformer. None of these to take up the expansion of oil due to temperature rise. to act as an oil storage. for better cooling of transformer. None of these to take up the expansion of oil due to temperature rise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque generation of voltage electromechanical energy conversion commutation development of torque generation of voltage electromechanical energy conversion commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shunt dc motor the direction of rotation of the motor will reversed. When only field terminals are changed. none of above. only armature terminals are reversed. either field terminals are reversed or armature terminals are reversed. only field terminals are changed. none of above. only armature terminals are reversed. either field terminals are reversed or armature terminals are reversed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lamination of core are generally made of silicon steel. carbon. cast iron. stainless steel. silicon steel. carbon. cast iron. stainless steel. ANSWER DOWNLOAD EXAMIANS APP
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