Mr Electro Test Quiz for NEA, NTC, PSC, CANN preparation students for Electrician, Foreman, Supervisor, Assistant Enginner, & Enginner. Loksewa old question 2073 || NEA question paper level 4 is given below.
NEA question paper level 4 2073(Reamining part)
Multiple Choice 30x3.3=99+ neat writing 1 = 100 Marks
Other extra questions
16. When an alternator is running on no load then, power supplied by the prime mover is mainly consumed to meet iron losses to meet copper losses to meet all no load losses to produce induced emf in armature winding 17. As the speed of an alternator increase the frequency increases the frequency decrease the frequency remains constant but power factor decrease None of these 18. For the alternator when power factor of the load is unity, then the armature flux will have square waveform the armature flux will be demagnetizing the armature flux will be cross-magnetizing the armature flux will reduce to zero 19. The earth resistance can be measured by Fall of potential method Using earth tester Ducter ohmmeter method Only a and b 20. The indication instruments with linear scale is PMMC Electrostatic instrument Dynamometer instrument Thermocouple instrument
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Delete12 no question is wrong . There correct answer is d)can be connected in series only.
ReplyDeletesir, When we connect two batteries with different emfs together in parallel they will act as a short circuit. so can not connect in parallel is more convenient option. And we can connect batteries series and parallel combined circuit also so it is less convenient option.
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