Showing posts with label Electrical Machine. Show all posts
Showing posts with label Electrical Machine. Show all posts

Auto transformer is used in transmission and distribution (RPSC Lecturer Technical Education Department Exam 2011)

The magnetizing current in a transformer is rich in (RPSC Lecturer Technical Education Department Exam 2011)

To eliminate the 5th harmonic voltage from the phase voltage of an alternator , the coils need to be short pitched by an electrical angle of (RPSC Lecturer Technical Education Department Exam 2011)

A ceiling fan uses (RPSC Lecturer Technical Education Department Exam 2011)

A balanced three phase, 50 Hz voltage is applied to a 3 phase, 4 pole induction motor. When the motor is delivering rated output, the slip is found to be 0.05. The speed of rotor mmf relative to the rotor structure is (RPSC Lecturer Technical Education Department Exam 2011)

The DC Motor , which can provide zero speed regulation at full load without any controller, is (RPSC Lecturer Technical Education Department Exam 2011)

In a transformer zero voltage regulation at full load is (RPSC Lecturer Technical Education Department Exam 2011)

A synchronous generator is feeding zero power factor (lagging) load at rated current. The armature reaction is (RPSC Lecturer Technical Education Department Exam 2011)

In a DC machine which of the following statement is true? (RPSC Lecturer Technical Education Department Exam 2011)

In relation to the synchronous machines, Which one of the following statement is false? (RPSC Lecturer Technical Education Department Exam 2011 )