Electrical Machines stepped cores are used in transformers in order to reduce volume of copper. volume of iron. iron loss. reluctance of core. volume of copper. volume of iron. iron loss. reluctance of core. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In single phase rotary converter the number of slip rings will be four. three. six. two. four. three. six. two. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger output. none. larger bore diameter. both. larger output. none. larger bore diameter. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes decrease in speed demanding less armature current. increase in speed demanding more armature current. decrease in speed but armature current remains the same. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. increase in speed demanding more armature current. decrease in speed but armature current remains the same. increase in speed but armature currnet remains the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.2 0.4 0.04 0.02 0.2 0.4 0.04 0.02 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A large series motor is never started without some mechanical on it because otherwise it will Open fuse or circuit breaker. Draw too much current. Develop excessive speed and damage itself. Produce sparking at brushes. Open fuse or circuit breaker. Draw too much current. Develop excessive speed and damage itself. Produce sparking at brushes. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS