Electrical Machines What happens if fifth multiples of harmonics is given to induction motor? It will rotates in reverse direction. It will rotates in normal operation. Fail to start. Either short circuit or open circuit occurs. It will rotates in reverse direction. It will rotates in normal operation. Fail to start. Either short circuit or open circuit occurs. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Type of single phase motor having highest power factor at full load is shaded pole type. capacitor run. split phase. capacitor start. shaded pole type. capacitor run. split phase. capacitor start. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase, 2 KV alternator has an armature resistance of 0.8 ohms and 4.94 ohms respectively. The voltage regulation of the alternator at 100 a load 0.8 loading power factor is 7%. 8.9%. 0%. 14%. 7%. 8.9%. 0%. 14%. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in shunt motors None of these either of these series motors shunt motors None of these either of these series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor will remains same. increase. Decrease.d none of these. remains same. increase. Decrease.d none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Both Synchronous and Induction motor Synchronous motors Induction motors DC Shunt Motor Both Synchronous and Induction motor Synchronous motors Induction motors DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP