Transformer Objective Questions And Answers Pdf In Hindi

transformer objective questions and answers pdf in hindi

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The questions provided in this book have been selected from various potent resources to provide the students with an idea of how the questions are set and what type of questions to expect on the final day. The reason is the electronic devices divert your attention and also cause strains while reading eBooks. Indian educational consultant and authors of competitive examinations, V.

[PDF] Objective Electrical Technology By V.K Mehta,‎ Rohit Mehta Book Free Download

Which of the following is an advantage of electric traction over other methods of traction? Which of the following is the voltage for single phase A. Which of the following drives is suitable for mines where explosive gas exists? The wheels of a train, engine as well as bogies, are slightly tapered to. Automatic signalling is used for which of the following trains? The number of passanger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to.

The magnitude of the field depends on the magnitude of the current, so b and c are false. The combination of intrinsic electron spin and electron orbital angular momentum is primarily responsible for the bulk magnetic properties of matter. Protons, neutrons, and whole nuclei possess spin but the size of the magnetic effect is relatively small and limited to juxta-nuclear region of the atom only. If the current doubles, the magnitude of B also doubles. Fleming developed the right hand rule in which if you grasp a wire carrying current with the right hand and point your thumb in the direction of the current, your fingers will curl around the wire in the direction of the induced magnetic field. If the current is constant, the magnetic field is constant, but if the current fluctuates, so will the magnetic field. Thus a and b are true.

Which of the following does not change in a transformer? In a transformer the energy is conveyed from primary to secondary a through cooling coil b through air c by the flux d none of the above Ans: c. A transformer core is laminated to a reduce hysteresis loss b reduce eddy current losses c reduce copper losses d reduce all above losses Ans: b. The degree of mechanical vibrations produced by the laminations of a transformer depends on a tightness of clamping b gauge of laminations c size of laminations d all of the above Ans: d. The no-load current drawn by transformer is usually what per cent of the full-load current? The path of a magnetic flux in a transformer should have a high resistance b high reluctance c low resistance d low reluctance Ans: d.

Transformer Questions And Answers Pdf

Today we are sharing interview questions on transformer. These transformer interview questions is collected from various sources. Q How is magnetic leakage reduced to a minimum in commerical transformers? It sounds a bit weird though. You might be thinking "so are there not DC transformers?

For the Same rating, which one will give more out put; when,. What will happen if the primary of a transformer is connected to D. C supply? What would happen if a power transformer designed for operation on 50 Hz frequency were connected to a Hz frequency source of the same voltage? What would happen if a power transformer designed for operation on 50 Hz frequency were connected to a 5 Hz frequency source of the same voltage?

Transformers are you seeking electrical transformer pdf in hindi? electrical transformer pdf in hindi is Page Link: computer objective questions dbms in hindi pdf -.

Electric Traction Objective Questions and Answers

Mechanical Engineering 1. MCQ Practice Tests. Timed Mock Tests. Online Quizzes.

In a transformer a All turns are equally insulated b The end turns are more strongly insulated c The end turns are closely wound d The end turns are widely separated 2. Laminated insulations coated with varnish are normally used in the transformer a To reduce reluctance of magnetic path b To reduce the effect of eddy current c To increase the reluctance of magnetic path d To reduce the hysteresis effect 3. The required thickness of lamination in a transformer decreases when a The applied frequency increases b The applied frequency decreases c The applied voltage increases d The applied voltage decreases 4. Oil in transformer is used to a Transfer electrical energy b Insulate the windings c Cool the windings d None of the above 5. The following arrangement will reduce the reluctance of magnetic path of the transformer.

 - В чем же чрезвычайность ситуации, из-за которой вы вытащили меня из ванной. Какое-то время Стратмор задумчиво нажимал на клавиши мышки, вмонтированной в столешницу письменного стола. После долгой паузы он наконец посмотрел ей в глаза и долго не отводил взгляда. - Назови мне самое большое время, которое ТРАНСТЕКСТ затрачивал на взламывание кода. Что за чепуха.

На лицах тех застыло недоумение. - Давайте же, ребята. -сказал Джабба.

 Выкладывай. - Может быть, все это чепуха, - сказала Мидж, - но в статистических данных по шифровалке вдруг вылезло что-то несуразное. Я надеюсь, что ты мне все объяснишь. - В чем же проблема? - Джабба сделал глоток своей жгучей приправы.




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