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upsc.gov.in Engineering Services Exam E&T Paper I Question Paper : Union Public Service Commission

Organization : Union Public Service Commission
Exam : Engineering Services Exam
Subject : E & T Engineering Paper I
Document Type : Previous Question Papers
Location : India
Website : upsc.gov.in

Download Model/Sample Question Paper :
Objective Papers :
2011 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2011E&T_PAPER_I.pdf
2012 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2012E&C_OBJ_I.pdf
2013 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2013ELECT%20&%20TELE%20ENGG%20PAPER%201.pdf
2014 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2014OBJ-E&T-I.pdf
Conventional Papers :
2011 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2011E&T_PAPER_I_CONV.pdf
2012 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2012E&C_CONV_I.pdf
2013 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2013CONV%20Elect&%20Telec%20Engg.%20paper-1.pdf
2014 : https://www.pdfquestion.in/uploads/upsc.gov.in/7142-2014CONV-E&T-I.pdf

E & T Engineering Paper I :

Time Allowed : Two Hours
Marks : 100
INSTRUCTIONS :
1. IMMEDIATELY AFTER THE COMMENCEMENT OF .THE EXAMINATION, YOU SHOULD CHECK THAT THIS-TEST BOOKLET DOES‘ NOT HAVE ANY UNPRINTED OR TORN OR MISSING PAGES 011- ITEMS, ETC. IF so, GET IT REPLACED BY A COMPLETE

Related : UPSC Engineering Services Exam Electrical Paper I Question Paper : www.pdfquestion.in/7141.html

2. ENCODE CLEARLY THE TEST BOOKLET SERIES A, B, C, OR D AS THE CASE. MAY I BE IN THE APPROPRIATE PLACE IN THE ANSWER SHEET.
3. You have’ to enter your Roll Number-on the Test Booklet in the Box provided alongside. DO NOT write anything else on the Test Booklet;
4. This Test Booklet contains ‘120 items (questions). Each item comprises four responses In (answers). You will select the response which you want to mark on the Answer Sheet. In ease you feel that there is more than one correct response, mark the= response which you consider the ‘best. In‘an’y case, choose ONLY ONE response for each item;
5. You have to mark all your responses ONLY on the separate Answer Sheet provided. See directions in the Answer Sheet.
6. All items carry equal marks.
7. BefOre you proceed to mark in the Answer Sheet’the response to various items in the Test Booklet, you have to ?ll in some particulars in the Answer Sheet as-per instructions sent to you .with your Admission Certi?cate.
8. After you have completed ?lling in all your responses on the Answer Sheet and the examination has concluded, you should hand over to “the Invigilator only the Answer Sheet. You are permitted to take away with you the Test Booklet.
9. Sheets for rough work are appended in the Test Booklet at the end.
10. Penalty for wrong answers
THERE WILL BE PENALTY ‘FOR WRONG ANSWERS MARKED BY A CANDIDATE IN THE OBJECTIVE TYPE QUESTION PAPERS.
(1) There are ‘four alternatives for the answer to every question. For each question’for which a wrong ansWer has been given by the candidate, one-third (0’33) of the marks assigned to that question i will be deducted as penalty.
(ii) If a candidate gives more than “one answer, -it will be treated as a wrong answer even if one of the given answers happens to be cOrrect and there will be same penalty as above to that question.
(iii) If a question is left blank, ile., no answer is given’by the candidate,- there will be no penalty for that question.
DO NOT OPEN THIS TEST BOOKLET UNTIL YOUARE ASKED TO DO so

Materials in which the permanent dipoles interact with each other so heavily that they tend to align parallel to each other are called
(a) Ferromagnetic
(b) Ferrimagnetic
(c) Parumagneuc
(d) Anti-ferromagnetic

Consider the following statements :
1. In a silicon controlled recti?er (SCR), if the cathode gate is reverse-biased, then the SCR cannot ?re at all.
2. The turn-on time of an SCR increases with temperature.
3. After an SCR is turned on, it can. be made to turn off again by reverse ‘ biasing the gate.
4. Gate recovery time is the minimum time that the _anode voltage must be maintained below holding voltage VH to turn off the SCH
Which of these statements are correct ?
(a) 1, 2, 3 and 4
(b) l and 2 only
(c) 2 and 4 only
(d) 3 and 4 only

The biasing of an IC BJT is done by the
following biasing scheme :
(a) Potential biasing scheme I F
(b) Fixed biasing scheme
(c) Current mirror biasing scheme
(d) Collector to base feedback biasing scheme

Two coils N1 and 1N2 turns are wound concentrically on a straight cylindrical core of radius r and permeability p. The windings have length £1 and £2 respectively as shown in figure. The mutual inductance will be
1. Proportional to NINZ.
2. Proportional to p.
3. Inverser proportional to 11.
4. Inversely propertional to r2.
Which of these statements are correct ?
(a) l, 2, 3 and 4
(b) 2, 3 and 4 only
(C) 1, 2 and 3 only
(d) 1, 3 and 4 only

An electromagnetic wave of frequency 3 MHz passes from vacuum into a dielectric medium with permittivity 8 = 4-0. Then
(a) Wavelength is doubled and the frequency remains unchanged
(b) Wavelength is doubled and the frequency becomes half
(c) Wavelength is halved and the frequency remains unchanged ‘
(d) Both the wavelength and frequency remain unchanged

A good S/l-I circuit should have
1. High input impedance
2. High output impedance
3. Low input impedance
4. Low output impedance
(a) l and 2 only
(b) 2 and 3 only
(c) 3 and 4 only
(C) 1 and 4 only

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