Electrical Machines Which of these types of motor is used in elevators? None of these. DC compound motor. DC shunt motor. DC series motor. None of these. DC compound motor. DC shunt motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is greater than the primary. equal to primary. less than primary. any of the above. greater than the primary. equal to primary. less than primary. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is none. N12 : N22. N1 : N2. 1 : 1. none. N12 : N22. N1 : N2. 1 : 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC generators has rising V-I characteristics? Series. Shunt. Compound. None of them. Series. Shunt. Compound. None of them. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor exceeds supply voltage aids applied voltage. helps in energy conversion. regulates its armature voltage. exceeds supply voltage aids applied voltage. helps in energy conversion. regulates its armature voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power will be developed when back emf is double the supply voltage. half of the supply voltage. All of these equal to supply voltage. double the supply voltage. half of the supply voltage. All of these equal to supply voltage. ANSWER DOWNLOAD EXAMIANS APP
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