Electrical Machines Where the shunt generators are widely used? Where often load fluctuation is occurred. Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. Where often load fluctuation is occurred. Where the load is very high. Where voltage variation is needed over a wide load range. Where a constant voltage is required over a narrow load range. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On which of the following factor/factors the speed of a DC motor depends upon? All of these. Field flux. Armature current. Applied voltage. All of these. Field flux. Armature current. Applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load test on induction motor is conducted to find which of the following losses? All of these Stator copper loss Rotational loss Stator core loss All of these Stator copper loss Rotational loss Stator core loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements regarding the magnetization characteristics of a dc generator : 1. It represents the variation of field flux with field current. 2. Variation of open-circuit terminal voltage with field current is independent of speed 3. It is non-linear from zero to rated field current 4. It helps to determine the critical field resistance at a given speed 5. It always starts from the origin Which of these statements are correct ? 3 and 5 1, 2 and 5 1 and 4 2, 3 and 4 3 and 5 1, 2 and 5 1 and 4 2, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is DC. None of these armature is not present in DC generator. AC. DC. None of these armature is not present in DC generator. AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is none of these. magnetic field poles. core. armature. none of these. magnetic field poles. core. armature. ANSWER DOWNLOAD EXAMIANS APP