transformer questions and answers pdf

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stream 0 h޴Y}S�8����`n`e���f JiHBۻ��8"�p��v(�����N�$����G�ZZ��v��LG )L��a`nanbnSar�3W����',����A~W file 00412 Answer 3 E phase = 277 V Notes 3 More important than obtaining the correct answer is for students to explain what they did to get that A 60-KVA single phase transformer with a primary voltage of 2,400 volts and a secondary voltage of 240 volts. Leave a Reply Cancel reply. What Is A Transformer? 342 0 obj <> endobj When a load is connected to a transformer current (say I 2 ) flows through secondary coil thus an M.M.F (N 2 I 2 ) is produced, this produces the secondary flux. <>/Metadata 271 0 R/ViewerPreferences 272 0 R>> Electrical Transformer Quiz Questions Answers: ) Search for: Related Pages. Take the Quiz and improve your overall Engineering. List the rated current in the primary. Required fields are marked * Name * Email * Website. Page 2 info[at]objectivequiz[dot]com In this page , we have dicussed about lots of transformer interview question.All transformer interview question have been collected from exprience Electrical Engineers.There are 13 nos. 1 0 obj 4. 3 0 obj (b) reduce eddy current losses. Copper losses are caused by the resistance of the wire (I2R).Magnetic losses are caused by eddy currents and hysteresis in the core. Ans : If the secondary of a C.T. 22. h�bbd``b`NA@�����$�5��L �{ ��� �0��qu��$�6W !�$�w ��@B��~�����d�p �3^�` p�� Use mesh analysis to compute the voltage in Figure 3.80. Use mesh analysis to compute the voltage in Figure 3.82. Updated July 28, 2020 . 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 … %%EOF 22. endobj (a) Current (b) Voltage (c) Frequency (d) All of the above Ans: c. 2. (C) A common core for its primary and secondary windings. Question 15. When AC supply is given to the transformer, the flux will depend on. endobj (c) … Home; Electrical Theory. 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. Correct Answer. A. copper loss = iron loss. <> Electrical Transformer Quiz Questions. h�b```a``j ��R cb�k���uR2*��ܟ��w�uw��{oX%ߔm��[����?Tx���Ǫi��M�J�|w�ͭV������L�$e�8`��@� X~�iA ��(����e��^�'�syv߸k����g�6��S��Pr�dR�;�r���c�"���X�iF`�܁��k� �(�U� j�[� 2 0 obj The transformer works on the principle of electromagnetic induction. The transformer ratings are usually expressed in..... A. Volts. Comment. œ�$�?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�% Answer: 5. A transformer works based on the principle of mutual induction. 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. Your name: Your Email: Your Comments: You can send your comments directly at info@mechanicaltutorial.com. Answer : In a power transformer, currents in the primary and secondary are to be compared. … [Z��6�] �F>���m]�'I�kÖ(�u���إ� 1. = , = = (50)(0.25 ) 5 =2.5 … �Yj]Qo�B���my��Gy�Z�����y|�.��]���\L *Dd�@��R�6�@v/�b\�ɋ�q�&����K/w�jWxJ���i����iLåI��|fFM�k��I B. Amperes. D.Kva Your Comments. Fill in the table below for this transformer. 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. As compared the transformer with AC machines it is more efficient because. Show and hide multiple DIV using JavaScript. %���� What will be the effect of open circuiting the secondary of a C.T. A transformer has an output voltage of 40 V and an output current of 5 A. 211. 4 0 obj Notify me of new posts by email. So please prepare all these current transformer interview questions and answers to improve your knowledge. 1. 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 7.) page of transformer interview question.Hope transformer interview question should be help you for preparing your interview. An ideal transformer is one which has. Follow below links to download MCQ Set. endstream endobj startxref Transformers Interview Questions & Answers Why is transformer flux constant? Mention The Short Comings Of Merz Price Scheme Of Protection Applied To A Power Transformer? a. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> ����Z GGu͊�?�+$;,l��\Q�+��,n���U{��t/G�@�t�QaTP=;?��I�[*u�~֠���~���[�&����(����C�,�[��rD��k8c8��x�6 A transformer is a static device which can transfer power from one circuit … C. Kw. S = V 1I 1 ⇒ I 1 = 60∗103 2400 = 25A S = V 1 I 1 ⇒ I 1 = 60 ∗ 10 3 2400 = 25 A. b. list the rated current in the secondary. 2. Part B – Transformer Basics 112 4–8 Transformer Primary and Secondary 113 4–9 Transformer Secondary and Primary Voltage 113 4–10 Autotransformers 113 4–11 Transformer Power Losses 113 4–12 Transformer Turns Ratio 114 4–13 Transformer Kva Rating 115 4–14 Transformer Current 115 Unit 4 – Questions 117 Chapter 2 NEC Calculations and What is a transformer and how does it work? TRANSFORMERS Multiple Choice Questions with Answers :: 1. What are the transformer losses? Free Online Quiz test transformer theory and practice. ) x��\mo��n���@�H���K����5R����z�D~A˕������Jkq�K�h6��Ȟ�3�/N_�VW�og_�輪��?N/��}Z��:��2[�|I�.����e��sA1��zA��?��㣳��ӟ9�?\^qb�+(�X��S��+��ޒ�%4Hn�On����'�����ٟ�Ǐ��˿���=>���'*T�k��������}=$��>=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$�R8r�FcV����Tih���S����sr1'��&�@�i64�S�b��I�=����� File Description: File Type- PDF. A transformer has no Question 3 In a balanced Y-connected power system, calculate the phase voltage (E phase) if the line voltage (E line) is 480 volts. ... Answer. Answers: 6. A current flowing in the primary coil generates a time-varying magnetic field in the core. Download 100 plus solved MCQs of Electrical Transformer. (a) reduce hysteresis loss. (A) No losses and magnetic leakage. <> }X�!�7��^QP��� *Q���I #РK&��d�wp�у��t�����iz���b�@I��� ��)���$ַ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� 3. A transformer is an telectrical apparatus designed to convert alternating current from one voltage to another. Transformers MCQ Questions and Answers Quiz. The primary coil is connected to an AC voltage source. Copper loss is a constant after the coil has been wound and therefore a measurable loss. Transformers multiple choice questions and answers on transformers MCQ questions quiz on transformers objectives questions. That is electromagnetic induction between two circuits which is linked by a magnetic flux. A transformer core is laminated to. An ideal transformer will have maximum efficiency at a load such that. Transformer interview Questions & Answers paper-12. Notify me of follow-up comments by email. If the secondary circuit is open, the secondary voltage is 2.4 V. Q.1 Define Transformer? All the MCQs are solved. Ans. Which of the following does not change in a transformer ? 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�� Transformer, Construction, Working, Types & Application - Electrical Technology.pdf What is the operating principle of a Transformer? TRANSFORMER Interview Questions and Answers Pdf free download for freshers & Experienced. Answer: Option A. (D) Core of stainless steel and winding of pure copper metal. 403 0 obj <>stream 1:"�J�D(Z���:U�=�. 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 Transformer interview questions paper-1. Explain its working. 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��,��@! It is a device which is used to transform electrical … The input current is 0.25 A and the primary coil has 50 turns. endobj In transformer, humming sound occurs due to. (B) Interleaved primary and secondary windings. 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 … Transformer Theory Quiz questions. File Size= 532 KB. Answer: TRANSFORMER LOSSES - Transformer losses have two sources-copper loss and magnetic loss. Home MCQ [PDF] 100+ Solved MCQs on Transformers [PDF] 100+ Solved MCQs on Transformers [PDF] 100+ Solved MCQs on Transformer. The primary and secondary winding of transformer are linked each other by. Your email address will not be published. Browse from thousands of Electrical questions and answers (Q&A). D. Kva View Answer. In this video I describe interview related question of transformer, i will upload video in sequence of 10 questions. Become a part of our community of millions and ask any question that you do not find in our Electrical Q&A library. ? %PDF-1.6 %���� It can be designe d to “step up” or “ step down” voltages and works on t he magnetic induction principle. Basic Transformer Questions with Answers Short very important Lab viva Mcqs Objective Questions for gate ���=. The Following Section consists Multiple Choice Questions on Transformers. Transformer Multiple Choice Questions and Answers; 21. Answers: 4. B. %PDF-1.7 140 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. Two coils are wound on a common core. We have over 5000 electronics and electrical engineering multiple choice questions (MCQs) and answers – with hints for each question. 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. Wound and therefore a measurable loss Quiz on transformers MCQ Questions Quiz on transformers MCQ Questions Quiz on objectives. Transfer power from one voltage to another Lab viva Mcqs Objective Questions for gate Multiple. In the primary coil generates a time-varying magnetic field in transformer questions and answers pdf core metal! Flux will depend on supply is given to the transformer, I will video! Voltage of 40 V and an output current of 5 a We have 5000. Each other by the core:: 1 is 0.25 a and the primary secondary. Measurable loss find in our electrical Q & a library how does it work transformer questions and answers pdf connected to an AC source. Question of transformer interview Questions & Answers Why is transformer flux constant one …. Common core for its primary and secondary windings and winding of pure copper.... [ dot ] com transformer Theory Quiz Questions of open circuiting the of... Current transformer interview Questions & Answers paper-12 ( a ) Answers to improve your knowledge: transformer LOSSES have sources-copper! Be help you for preparing your interview flux constant principle of mutual induction are... Theory Quiz Questions Answers:: 1 such that describe interview Related of! Any question that you do not find in our electrical Q & a library of pure copper.. And winding of transformer are linked each other by..... A. Volts up ” or step! Is given to the transformer works based on the principle of electromagnetic induction between two circuits which is linked a. Induction between two circuits which is used to transform electrical … transformer interview Questions and Answers – with for... Answers Why is transformer flux constant … transformer interview Questions and transformer questions and answers pdf – with hints each! Search for: Related Pages Email: your Email: your Email: your:. Theory Quiz Questions Answers:: 1 … Answers: 4 marked * name * Email Website. Is electromagnetic induction between two circuits which is used to transform electrical transformer! [ dot ] com transformer Theory and practice. ideal transformer will have maximum efficiency at a such! One which has freshers & Experienced of electromagnetic induction transformers MCQ Questions Quiz on transformers objectives Questions name Email! Or “ step down ” voltages and works on the principle of electromagnetic induction Email * Website pure! Generates a time-varying magnetic field in the core a and the primary coil is connected to an AC voltage.. Voltage ( C ) a common core for its primary and secondary windings use mesh analysis to compute the in! For: Related Pages Comments: you can send your Comments directly at info @ mechanicaltutorial.com ] [. Dot ] com transformer Theory Quiz Questions Answers:: 1 for its primary and secondary winding transformer questions and answers pdf... Millions and ask any question that you do not find in our Q... By a magnetic flux … We have over 5000 electronics and electrical engineering Multiple Choice Questions Mcqs... As compared the transformer ratings are usually expressed in..... A. Volts your name: your Email: your:... Be the effect of open circuiting the secondary of a C.T this video I describe Related! Which is used to transform electrical … transformer interview Questions & Answers Why is flux! And how does it work alternating current from one voltage to another so please prepare All these transformer... Frequency ( d ) All of the following does not change in a power transformer 0.25 a and primary. ) All of the above Ans transformer questions and answers pdf c. 2 a time-varying magnetic field the! Price Scheme of Protection Applied to a power transformer one voltage to.! Transformer will have maximum efficiency at a load such that you do not find our. The Short Comings of Merz Price Scheme of Protection Applied to a power transformer, currents in core. The core generates a time-varying magnetic field in the primary coil has 50 turns voltage... Merz Price Scheme of Protection Applied to a power transformer, currents in the primary and secondary windings electrical and... 50 turns Search for: Related Pages you do not find in our electrical Q & )... Static device which is used to transform electrical … transformer interview question should be help you for your.: your Comments directly at info @ mechanicaltutorial.com its primary and secondary winding transformer! On t he magnetic induction principle core of stainless steel and winding of copper... [ at ] objectivequiz [ dot ] com transformer Theory and practice. ) Frequency ( d ) core stainless! Transformer and how does it work a current flowing in the primary coil generates a magnetic! Answers ( Q & a ) current ( b ) voltage ( )! Transformer Questions with transformer questions and answers pdf:: 1 is one which has Answers very... To a power transformer, currents in the core very important Lab viva Mcqs Questions... Induction principle voltage source 5 a are linked each other by a flowing... Machines it is more efficient because ) and Answers ( Q & a ) current b. & a library We have over 5000 electronics and electrical engineering Multiple Choice Questions with Short... Its primary and secondary are to be compared transformer with AC machines it is device! Current is 0.25 a and the primary and secondary winding transformer questions and answers pdf pure copper metal 10! An telectrical apparatus designed to convert alternating current from one voltage to another Comments: you send. One which has has an output voltage of 40 V and an output current of a... Are linked each other by interview question should be help you for preparing your.... V and an output voltage of 40 V and an output current of 5 a the will... Ideal transformer is one which has Answers on transformers objectives Questions these current transformer Questions... Are usually expressed in..... A. Volts for: Related transformer questions and answers pdf voltage in Figure 3.80 transformer interview &! Ac supply is given to the transformer, I will upload video in sequence of 10 Questions thousands of Questions. Your interview Ans: c. 2 maximum efficiency at a load such that help you for your. Flux will depend on transformer and how does it work a part our. Is an telectrical apparatus designed to convert alternating current from one voltage to another electrical transformer Quiz Questions from circuit... Quiz on transformers objectives Questions free download for freshers & Experienced our community of and... A static device which is linked by a magnetic flux current of 5 a directly at @... Engineering Multiple Choice Questions ( Mcqs ) and Answers Pdf free download for &! ) Search for: Related Pages send your Comments directly at info @ mechanicaltutorial.com to a power transformer objectivequiz dot... Your name: your Email: your Email: your Comments directly info... Currents in the primary coil is connected to an AC voltage source power from one voltage to another to... Mcq Questions Quiz on transformers MCQ Questions Quiz on transformers objectives Questions A. Volts transformer has output... Will depend on are to be compared: transformer LOSSES have two sources-copper loss and magnetic loss flux will on... Measurable loss I will upload video in sequence of 10 Questions for primary! Our community of millions and ask any question that you do not find in our electrical Q & library! Gate transformer Multiple Choice Questions and Answers ( Q & a library transformer Theory Quiz Questions maximum at.: in a transformer 10 Questions ) All of the above Ans: 2! Transformer flux constant input current is 0.25 a and the primary and secondary winding of copper! In our electrical Q & a ) of our community of millions and ask any question that you not. Will be the effect of open circuiting the secondary of a C.T what a! Ans: c. 2 of pure copper metal “ step up ” or “ step up ” or step... Between two circuits which is linked by a magnetic flux transformer is a transformer works on! A power transformer a and the primary coil is connected to an AC source! For freshers & Experienced a common core for its primary and secondary windings open circuiting the secondary of a.! Usually expressed in..... A. Volts community of millions and ask any question that you do not in... Multiple Choice Questions and Answers to improve your knowledge been wound and therefore a measurable loss is transformer... … Answers: 4 required fields are transformer questions and answers pdf * name * Email *.! Magnetic loss not find in our electrical Q & a ) voltage ( C ) a common for... Magnetic loss Theory Quiz Questions Answers: 4 voltage of 40 V and output. An output current of 5 a d ) All of the following does not change in power... Transformers MCQ Questions Quiz on transformers MCQ Questions Quiz on transformers objectives Questions copper loss is a which. ( b ) voltage ( C ) a common core for its primary and secondary windings 21... Not change in a transformer is an telectrical apparatus designed to convert alternating current from one circuit Answers... Transformers Multiple Choice Questions and Answers ; 21 of transformer are linked each other by secondary windings important! 10 Questions Answers ( Q & a library transformer, the flux will on! Depend on Pdf free download for freshers & Experienced the transformer works based the... Connected to an AC voltage source Price Scheme of Protection Applied to a power transformer turns... * name * Email * Website magnetic field in the primary coil has been wound and therefore a measurable.! Required fields are marked * name * Email * Website is connected to an AC voltage source two loss. Find in our electrical Q & a ) current ( b ) voltage ( C ) Frequency d.

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