Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Low. 1000 ohms. Infinitely large. around 500 ohms. Low. 1000 ohms. Infinitely large. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by increasing of frequency. increasing number of poles. decreasing of frequency. speed can not be increased. increasing of frequency. increasing number of poles. decreasing of frequency. speed can not be increased. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the excitation of normally operating unloaded, salient pole synchronous motor suddenly gets disconnected, it continues to run as a switched reluctance motor. DC motor. induction motor. variable reluctance motor. switched reluctance motor. DC motor. induction motor. variable reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flashing of DC generator means creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. None of these creation of residual magnetism by a DC source. increasing flux density by providing extra ampere-turns in field. neutralization of residual magnetism. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? Stator copper loss Rotational loss All of these Stator core loss Stator copper loss Rotational loss All of these Stator core loss ANSWER DOWNLOAD EXAMIANS APP
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