Electrical Machines What type of connection is made in between the inter-pole and the field winding? Series. None of the options. Parallel. Compound. Series. None of the options. Parallel. Compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of supply voltage and field current at constant excitation All of these power factor and dc excitation at constant load power factor and supply voltage during hunting supply voltage and field current at constant excitation All of these power factor and dc excitation at constant load power factor and supply voltage during hunting ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will increase by 100% increase by 200% remain unaltered reduced to half increase by 100% increase by 200% remain unaltered reduced to half ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor, the damper winding is generally used to provide starting torque only. reduce the eddy currents. reduce noise level only. prevent hunting and provide the starting torque. provide starting torque only. reduce the eddy currents. reduce noise level only. prevent hunting and provide the starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator on no-load, the air gap flux distribution in space is pulsating. flat topped. triangular. sinusoidal. pulsating. flat topped. triangular. sinusoidal. ANSWER DOWNLOAD EXAMIANS APP