Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 20. 1.1. 0.905. 0.05. 20. 1.1. 0.905. 0.05. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field winding of a DC series motor is usually provided with thick wire as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. as it carries large load current. to provide large flux. in order to reduce eddy current to provide large flux. to reduce the insulation of materials. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A commutator in DC machines can 1. provide half-wave rectification 2. Provide full-wave rectification 3. convert ac to dc 4. Convert dc to ac 5. provide controlled full-wave rectification From these, the correct answer is 1, 2, 3 2, 3 ,5 2, 3, 4 2, 3, 4, 5 1, 2, 3 2, 3 ,5 2, 3, 4 2, 3, 4, 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on load angle both 1and 2 voltage reactance load angle both 1and 2 voltage reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? S 1/(1-S) 1-S 1/S S 1/(1-S) 1-S 1/S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve high efficiency. reduced size. low starting torque. quick acceleration. high efficiency. reduced size. low starting torque. quick acceleration. ANSWER DOWNLOAD EXAMIANS APP
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