Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? 30 rpm zero 1470 rpm 1500 rpm 30 rpm zero 1470 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine is a both are correct. conduction machine. convection machine. none of above are correct. both are correct. conduction machine. convection machine. none of above are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC generators are usually designed to develop armature voltages not exceeding 650 V because of the limitations imposed by field winding armature winding commutator starters field winding armature winding commutator starters ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on both 1and 2 voltage load angle reactance both 1and 2 voltage load angle reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase induction motor has a synchronous speed of 1500 rpm the machine runs at 1460 rpm at a particular load. The slip at this load is ___________. 1.5 %. 30 %. 5 %. 2.67 %. 1.5 %. 30 %. 5 %. 2.67 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a single phase capacitor start induction motor which of the following is valid? Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. None of these. Direction of rotation cannot be changed. Rotation can be changed by interchanging supply terminals. Rotation can be changed by reversing main winding terminals. None of these. Direction of rotation cannot be changed. ANSWER DOWNLOAD EXAMIANS APP
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