Electrical Machines Transformer cooling and insulating oil must be of low viscosity. low BDV. high viscosity. low resistivity. low viscosity. low BDV. high viscosity. low resistivity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where high starting torque. power factor is less. low starting torque. less costly motor is not required. high starting torque. power factor is less. low starting torque. less costly motor is not required. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Hydro alternators. Aame in both alternators. None of these Turbo alternators. Hydro alternators. Aame in both alternators. None of these Turbo alternators. 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. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The noise resulting from vibrations of lamination set by magnetic forces, is termed as hum. boo. magnetostriction. zoom. hum. boo. magnetostriction. zoom. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of dynamically and statically induced emf. None of these dynamically induced emf. statically induced emf. dynamically and statically induced emf. None of these dynamically induced emf. statically induced emf. ANSWER DOWNLOAD EXAMIANS APP
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