Electrical Machines The field divertor resistance for a DC series motor is of order of 0.1 Ω 10 Ω 50 Ω 100 Ω 0.1 Ω 10 Ω 50 Ω 100 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for crane travel, trolley and boom hoist which motor is preferred? Synchronous motor. Slip ring induction motor. DC differential compound motor. Stepper motor. Synchronous motor. Slip ring induction motor. DC differential compound motor. Stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor especially the cage rotors slots are nearly parallel to shaft axis. This is called skewing. crawling. cogging. slip. skewing. crawling. cogging. slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of main winding. All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. reversing the terminals of main winding. All of these interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is/are the advantages of parallel operation of alternators? continuity supply is maintained Increase in reliability All of these Increase efficiency under light load conditions continuity supply is maintained Increase in reliability All of these Increase efficiency under light load conditions ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The inertia constant H of a synchronous condenser is greater than that of turbo alternator. greater than that of hydro generator. none of these. equal to that of the effective length of the line. greater than that of turbo alternator. greater than that of hydro generator. none of these. equal to that of the effective length of the line. ANSWER DOWNLOAD EXAMIANS APP
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