Electrical Machines Swinburne test is conducted under which of the following condition? half load full load no load any of the above half load full load no load any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small All of these to avoid locking of the armature. to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. to achieve a stronger magnetic field. to avoid over heating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? K × input power None of these (1-K) × input power both A and B K × input power None of these (1-K) × input power both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thinner. rotor can not have any laminations. sipper. thicker. thinner. rotor can not have any laminations. sipper. thicker. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motors normally use cast aluminium rotor because aluminium is of low resistivity. cheaper in cost. easy to cast owing to its low melting point and is easily available. lighter in weight. of low resistivity. cheaper in cost. easy to cast owing to its low melting point and is easily available. lighter in weight. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. ANSWER DOWNLOAD EXAMIANS APP
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