The primary coil is connected to an AC voltage source. Notify me of new posts by email. ����Z GGu͊�?�+$;,l��\Q�+��,n���U{��t/G�@�t�QaTP=;?��I�[*u�~֠���~���[�&����(����C�,�[��rD��k8c8��x�6 [Z��6�] �F>���m]�'I�kÖ(�u���إ� W�L.�0S4��ZJV>%.�\��I�[W��r��3�WZ_�r)!�6��g� =���D�����TNS����4Ƙ�i���˜��@b6-��9�v�7wFW�#�p@Mh2�\��p�2^���u r�(��&3�H��� }���-�3����j8��_Q�� endobj = , = = (50)(0.25 ) 5 =2.5 … The Following Section consists Multiple Choice Questions on Transformers. Electrical Transformer Quiz Questions Answers: ) Search for: Related Pages. h޴Y}S�8����`n`e���f JiHBۻ��8"�p��v(�����N�$����G�ZZ��v��LG )L��a`nanbnSar�3W����',����A~W �Yj]Qo�B���my��Gy�Z�����y|�.��]���\L *Dd�@��R�6�@v/�b\�ɋ�q�&����K/w�jWxJ���i����iLåI��|fFM�k��I }X�!�7��^QP��� Answers: 6. Two coils are wound on a common core. A transformer is an telectrical apparatus designed to convert alternating current from one voltage to another. Electrical4U’s MCQs are in a wide range of electrical engineering subjects including analog and digital communications, control systems, power electronics, electric circuits, electric machines – and much more. A 60-KVA single phase transformer with a primary voltage of 2,400 volts and a secondary voltage of 240 volts. Follow below links to download MCQ Set. A transformer works based on the principle of mutual induction. Q.1 Define Transformer? endobj It is a device which is used to transform electrical … A transformer has an output voltage of 40 V and an output current of 5 A. 1 0 obj The transformer ratings are usually expressed in..... A. Volts. The primary and secondary winding of transformer are linked each other by. 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. 3. stream File Description: File Type- PDF. Your email address will not be published. Leave a Reply Cancel reply. 22. C. Kw. List the rated current in the primary. Which of the following does not change in a transformer ? Show and hide multiple DIV using JavaScript. œ�$�?5��)g���ń�K����������rɓ�>)���}�v���"�IUJH�2�2�k�a��]�B70� 2@ or�#���kJ~����=��=��du;#+��O�3�i����;���1�Z`̽%����]�/oQXC;U��b(�\������ؓQ',�YxM�% An ideal transformer will have maximum efficiency at a load such that. 140 TOP MOST TRANSFORMERS - Electrical Engineering Multiple Choice Questions and Answers Electrical Engineering Multiple Choice Questions.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Transformer, Construction, Working, Types & Application - Electrical Technology.pdf *Q���I #РK&��d�wp�у��t�����iz���b�@I��� ��)���$ַEIe, ���|��3���}�����%Qre��q��A�~�n���Ƒ��CWL#�-��u����r�v׃�8�s����厁���Ь)]�3�k�=�b�zkW*�%g�D��^���W�L]Da�S*�I�Q���c-$=�,������4�,�i�W[����{�X��]�|���$���GQ�����0��?��P�g7 �Fe,Ɔ�G�]~Y�O�x��x��:!�⢽�d�q�!���b^%R2����G��ˉ��M�]�r�j��ch���AM��@�\���Ӡ9�R��}�2KW6�RɅ�)S��8���pϾ�/1�v� Transformer Theory Quiz questions. In transformer, humming sound occurs due to. h�bbd``b`NA@�����$�5��L �{ ��� �0��qu��$�6W !�$�w ��@B��~�����d�p �3^�` p�� Electrical Transformer Quiz Questions. (B) Interleaved primary and secondary windings. Answer: Option A. As compared the transformer with AC machines it is more efficient because. (a) Current (b) Voltage (c) Frequency (d) All of the above Ans: c. 2. D. Kva View Answer. Fill in the table below for this transformer. Transformers multiple choice questions and answers on transformers MCQ questions quiz on transformers objectives questions. a. B. Use mesh analysis to compute the current through the resistor, and the power supplied (or absorbed) by the dependent source shown in Figure 3.81. Required fields are marked * Name * Email * Website. Mention The Short Comings Of Merz Price Scheme Of Protection Applied To A Power Transformer? It can be designe d to “step up” or “ step down” voltages and works on t he magnetic induction principle. Home; Electrical Theory. File Size= 532 KB. Answer : In a power transformer, currents in the primary and secondary are to be compared. Transformer interview questions paper-1. What will be the effect of open circuiting the secondary of a C.T. Use mesh analysis to compute the voltage in Figure 3.80. An ideal transformer is one which has. Explain its working. Transformers Interview Questions & Answers Why is transformer flux constant? D.Kva Your Comments. Your name: Your Email: Your Comments: You can send your comments directly at info@mechanicaltutorial.com. Copper loss is a constant after the coil has been wound and therefore a measurable loss. Correct Answer. this is ours best creations for electrical engineering upcoming exam unit name que 1 dc generators 124 2 dc motors 123 3 transformers 135 4 three phase induction motors 101 5 single phase induction motors 110 6 synchronous motors 124 7 transmission and distribution 102 8 cables 56 total 875 click here to download 875 que pdf electrical engineering important mcq pdf electrical engineering … <>/Metadata 271 0 R/ViewerPreferences 272 0 R>> What is the operating principle of a Transformer? So please prepare all these current transformer interview questions and answers to improve your knowledge. A transformer has no h�b```a``j ��R cb�k���uR2*��ܟ��w�uw��{oX%ߔm��[����?Tx���Ǫi��M�J�|w�ͭV������L�$e�8`��@� X~�iA ��(����e��^�'�syv߸k����g�6��S��Pr�dR�;�r���c�"���X�iF`�܁��k� �(�U� j�[� Here are some very important current transformer interview questions with proper answers which are mostly asked with Electrical Graduates in every industrial interview as well as university exam viva. 1. What is a transformer and how does it work? Answer: TRANSFORMER LOSSES - Transformer losses have two sources-copper loss and magnetic loss. A transformer core is laminated to. 22. 4. 1. Home MCQ [PDF] 100+ Solved MCQs on Transformers [PDF] 100+ Solved MCQs on Transformers [PDF] 100+ Solved MCQs on Transformer. All the MCQs are solved. E��� �+j����ٓ�2 CX.�x(Wq 6q��2��-l��1b��Ay�p��h��/�@�ر�؏o a�d_!a#�o���� f �=v���d��{Dؼ(��3���T�(������-x��\�[��m�c�a��(#9�uӰ.�i"����I�����E�R�3����*Y�)��(���ۻ�F�N��p��^��(5��j)��8AA\���2�1sym�~���{^�6�{I;�����T�x�4yǙ�x���y����, ����%��XЬ`��AQ��A����Q�;�?NQm����~�yxhu���6�s OS�X��=��z€aO�])�zQd3MR8o�@:�bfݨ���u�%s�~����L��h|Go&t�m�� :ЅC8�cx'�N�#���0���9�>�g����'�3E0��,��@! 403 0 obj <>stream 211. When a load is connected to a transformer current (say I 2 ) flows through secondary coil thus an M.M.F (N 2 I 2 ) is produced, this produces the secondary flux. If the secondary circuit is open, the secondary voltage is 2.4 V. %���� 3. (C) A common core for its primary and secondary windings. A transformer is a static device which can transfer power from one circuit … Question 3 In a balanced Y-connected power system, calculate the phase voltage (E phase) if the line voltage (E line) is 480 volts. TRANSFORMERS Multiple Choice Questions with Answers :: 1. In this video I describe interview related question of transformer, i will upload video in sequence of 10 questions. The input current is 0.25 A and the primary coil has 50 turns. (c) … (D) Core of stainless steel and winding of pure copper metal. Part B – Transformer Basics 112 4–8 Transformer Primary and Secondary 113 4–9 Transformer Secondary and Primary Voltage 113 4–10 Autotransformers 113 4–11 Transformer Power Losses 113 4–12 Transformer Turns Ratio 114 4–13 Transformer Kva Rating 115 4–14 Transformer Current 115 Unit 4 – Questions 117 Chapter 2 NEC Calculations and 342 0 obj <> endobj Transformers MCQ Questions and Answers Quiz. ... Answer. Ans : If the secondary of a C.T. 7.) Basic Transformer Questions with Answers Short very important Lab viva Mcqs Objective Questions for gate 1:"�J�D(Z���:U�=�. page of transformer interview question.Hope transformer interview question should be help you for preparing your interview. %%EOF We have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers – with hints for each question. (b) reduce eddy current losses. Comment. Browse from thousands of Electrical questions and answers (Q&A). %PDF-1.6 %���� 0 Download 100 plus solved MCQs of Electrical Transformer. (A) No losses and magnetic leakage. Answers: 4. endobj … A. copper loss = iron loss. 3 0 obj Notify me of follow-up comments by email. The transformer works on the principle of electromagnetic induction. <> (a) reduce hysteresis loss. Take the Quiz and improve your overall Engineering. 361 0 obj <>/Filter/FlateDecode/ID[<9F4854448DE4E0449A8C2D0A1EBE56D7><881F1965406916468278E864FA1CA924>]/Index[342 62]/Info 341 0 R/Length 96/Prev 353506/Root 343 0 R/Size 404/Type/XRef/W[1 2 1]>>stream <> Ans. Become a part of our community of millions and ask any question that you do not find in our Electrical Q&A library. ? 2. In this page , we have dicussed about lots of transformer interview question.All transformer interview question have been collected from exprience Electrical Engineers.There are 13 nos. Use mesh analysis to compute the voltage in Figure 3.82. x��\mo��n���@�H���K����5R����z�D~A˕������Jkq�K�h6��Ȟ�3�/N_�VW�og_�輪��?N/��}Z��:��2[�|I�.����e��sA1��zA��?��㣳��ӟ9�?\^qb�+(�X��S��+��ޒ�%4Hn�On����'�����ٟ�Ǐ��˿���=>���'*T�k��������}=$��>=H&%,e��ͻ�͛��Z1ʳu�M����.P���DNn,�'b�y�&K�&��qMmn�1��P��E9��� �vA��TN�f���\�u�L=��BLR%U.�6W�����/�8kzb'�aj'��3���-3�U.�!�O��4� �^��B�I��(C^�='��NSo��\��~6s46 Z"����5�f$�R8r�FcV����Tih���S����sr1'��&�@�i64�S�b��I�=����� S = V 1I 1 ⇒ I 1 = 60∗103 2400 = 25A S = V 1 I 1 ⇒ I 1 = 60 ∗ 10 3 2400 = 25 A. b. list the rated current in the secondary. What Is A Transformer? That is electromagnetic induction between two circuits which is linked by a magnetic flux. endstream endobj 343 0 obj <> endobj 344 0 obj <>/Resources 364 0 R/Rotate 0/TrimBox[36.0 36.0 631.83 809.13]/Type/Page>> endobj 345 0 obj <>stream Question 15. Answer: 5. Transformer interview Questions & Answers paper-12. 2 0 obj What are the transformer losses? endstream endobj startxref B. Amperes. Updated July 28, 2020 . A current flowing in the primary coil generates a time-varying magnetic field in the core. Free Online Quiz test transformer theory and practice. ) transformer objective questions and answers pdf,transformer,transformer mcq question,transformer objective questions,transformer mcq,transformer mcq in hindi,transformer in hindi,power transformer in hindi,transformer objective questions and answers hindi,transformer question answer in hindi,transformer objective questions asked in ssc je,general science quiz in hindi,transformer … <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Transformer Multiple Choice Questions and Answers; 21. 4 0 obj TRANSFORMER Interview Questions and Answers Pdf free download for freshers & Experienced. ���=. 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