Electrical Machines The commutator segments of DC machines are made up of brass hard-drawn copper copper copper alloy brass hard-drawn copper copper copper alloy ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors have the advantage of less cost. simple in construction. all of below. less maintenance. less cost. simple in construction. all of below. less maintenance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Direction of rotation cannot be changed. None of these. Rotation can be changed by reversing main winding terminals. Rotation can be changed by interchanging supply terminals. Direction of rotation cannot be changed. None of these. Rotation can be changed by reversing main winding terminals. Rotation can be changed by interchanging supply terminals. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are effects of armature reaction? increases the design cost increase the maintenance and repair All of these increase the iron loss increases the design cost increase the maintenance and repair All of these increase the iron loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which motors are preferred for refrigeration and air conditioning in smaller units? Stepper motors. Universal motors. Induction motors. Reluctance motors. Stepper motors. Universal motors. Induction motors. Reluctance motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be three. two. four. six. three. two. four. six. ANSWER DOWNLOAD EXAMIANS APP
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