Electrical Machines Larger values of air flux density is taken while designing IM for both. none. larger bore diameter. larger output. both. none. larger bore diameter. larger output. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V + Ia. E = V + IaRa. E = V – IaRa. E = V + Ra. E = V + Ia. E = V + IaRa. E = V – IaRa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Swinburne test is conducted under which of the following condition? any of the above full load no load half load any of the above full load no load half load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use DC shunt motor. Universal motor. Slip induction motor. Partial motor. DC shunt motor. Universal motor. Slip induction motor. Partial motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the advantages of carbon brush over the copper brush? In case of any sparking they will be less damaged than copper brushes All of these They are self lubricating in nature They are not hard as copper brush In case of any sparking they will be less damaged than copper brushes All of these They are self lubricating in nature They are not hard as copper brush ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 940 rpm 975 rpm 1000 rpm 950 rpm 940 rpm 975 rpm 1000 rpm 950 rpm ANSWER DOWNLOAD EXAMIANS APP
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