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AE & JE EE Quiz Electrical Machines Complete Revision
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Question 1
Due to low supply voltage for a 40 HP, 3–phase induction motor. Which of the following equipment can be used to boost the voltage?
Question 2
Which of the following quantity maintains the same direction whether a D.C Machine runs as a generator or as a motor?
Question 3
The squirrel-cage winding of a single-phase motor is placed in the_________.
Question 4
A transformer takes no-load current of and absorbs 187 W. If the resistance of the primary is what is the magnetising current?
Question 5
The reactive power generated by a synchronous alternator can be controlled by?
Question 6
Which of the following motors is used in mixies?
Question 7
The purpose of starting winding in a single-phase induction motor is to?
Question 8
In a transformer zero voltage regulation is achieved at a load power factor which is
Question 9
Blocked rotor test is used to find which of the following losses?
Question 10
The overall power factor of an On-load transformer_____,.
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AE & JE ExamsMay 22AE & JE Exams