Electrical Machines Which type of motors are preferred in lifts? DC series motors. DC compound motors. None of these DC shunt motors. DC series motors. DC compound motors. None of these DC shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Armature current Ia. Field flux. Applied voltage. All of these. Armature current Ia. Field flux. Applied voltage. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator if field winding attains the critical resistance the voltage generated will be zero. field winding will burn. machine will generate maximum power. machine will generate maximum voltage. the voltage generated will be zero. field winding will burn. machine will generate maximum power. machine will generate maximum voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The core flux in transformer depends mainly on supply voltage and frequency supply voltage and load supply voltage supply voltage, frequency and load supply voltage and frequency supply voltage and load supply voltage supply voltage, frequency and load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous cannot be due to windage friction. variable supply voltage. variable frequency. variable load. windage friction. variable supply voltage. variable frequency. variable load. 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 8.9%. 7%. 0%. 14%. 8.9%. 7%. 0%. 14%. ANSWER DOWNLOAD EXAMIANS APP