Engineering Service Electrical Engineering Paper I 2021 UPSC Question Paper PDF

Central Government Jobs Engineer 2021

  • Year 2021
  • Conducted By UPSC
  • Maximum Marks 300
  • Duration Three Hours
  • Languages English

Exam Details

Detail Information
Examination Engineering Service (Main) Examination, 2021
Year 2021
Conducting Body UPSC
Paper Electrical Engineering Paper - I
Subject Electrical Engineering
Duration Three Hours
Maximum Marks 300
Question Type Mixed

This is the question paper for the Electrical Engineering Paper - I of the Engineering Service (Main) Examination, 2021, conducted by UPSC. The paper is designed to test candidates' in-depth knowledge in Electrical Engineering and is divided into two sections. Candidates are required to attempt five questions in total, with questions 1 and 5 being compulsory. The exam duration is three hours, and it carries a maximum of 300 marks. This paper is crucial for aspirants aiming to secure a position in the engineering services.

Major Topics Covered

  • Probability
  • Electric Dipole
  • Electric Field
  • Magnetostriction
  • ABCD Constants
  • Network Analysis
  • Programming (C)

Why This Paper is Important

  • Useful for Engineering Service (Main) Examination preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • Engineering Service (Main) Examination, 2021 - Electrical Engineering Paper - II
  • Engineering Service (Main) Examination, 2020 - Electrical Engineering Paper - I
  • Engineering Service (Preliminary) Examination, 2021 - Electrical Engineering Paper
  • ESE 2021 Electrical Engineering Paper I Answer Key
  • ESE Electrical Engineering Syllabus
  • UPSC Engineering Service Exam Syllabus
  • ESE Exam Pattern
  • UPSC Engineering Service Exam Pattern

Instructions

  • There are EIGHT questions divided in TWO sections.
  • Candidate has to attempt FIVE questions in all.
  • Questions No. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE question from each section.
  • The number of marks carried by a question / part is indicated against it.
  • Wherever any assumptions are made for answering a question, they must be clearly indicated.
  • Diagrams/Figures, wherever required, shall be drawn in the space provided for answering the question itself.
  • Unless otherwise mentioned, symbols and notations have their usual standard meanings.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page or portion of the page left blank in the Question-cum-Answer (QCA) Booklet must be clearly struck off.
  • Answers must be written in ENGLISH only.

Questions (page 2)

Section A

Q1.

(a) The average number of mistakes committed by a typist is 3 per page. Find the probability that the typist commits
(i) no mistake
(ii) at least two mistakes per page.

(b) An electric dipole is placed in a uniform electric field of strength 7 × 106 V/m as shown in the figure. The charge on each dipole is opposite in nature and each equal to the charge of an electron. Both charges are separated by a distance of 2 angstrom. Both, field and dipoles are in same plane. Calculate the magnitude and direction of the dipole moment and torque.

(c) Define magnetostriction. Explain different types of magnetostriction.

(d) The equivalent ABCD constants of a network are obtained by cascade connection of two networks as shown in the figure. The value of constant B of equivalent network is 5 + j40. Calculate the value of z1.

(e) Write a C-program to check whether a number is a perfect number or not.

Question paper preview

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Engineering Service Main Examination 2021 Electrical Engineering Paper I question paper page 1 instructions scan PDF download
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Engineering Service Main Examination 2021 Electrical Engineering Paper I question paper page 1 instructions scan PDF download

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Frequently asked questions

What is the name of the examination?

The examination is the Engineering Service (Main) Examination, 2021.

Which paper is this question paper for?

This question paper is for Electrical Engineering Paper - I.

Who conducts the Engineering Service Examination?

The Engineering Service Examination is conducted by UPSC (Union Public Service Commission).

What is the maximum number of marks for this paper?

The maximum marks for this paper are 300.

What is the time duration allowed for this paper?

The time allowed for this paper is Three Hours.

How many sections are there in the paper?

There are two sections in the paper.

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