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#### Civil Services Mains Electrical Engineering Paper 2 Previous Conventional Questions with Solutions

Dear Students,

It is observed that a very significant number of the questions given in the engineering optional in Civil Services (Main) Examinations during the period 1995-2018 have been regularly appearing in ESE main examination also. Good Knowledge about these questions will be useful to Electrical and communications Engineering Students in the ESE Main Examinations.

With a view to assisting candidates appearing for ESE examination. ACE academy takes pride in bringing out a complete set of solutions of the engineering related questions in the civil services (Main ) Examination

Most of these questions are conceptual and of high standard. Detailed solutions explaining how basic concepts are applied at various stages of solving the questions have been provided. This would enable the students to understand the importance of fundamentals and apply them to their similar problems.

The solutions have been prepared with utmost care. Inspired of this, if there are errors of any type, we will be grateful to be informed of the same to [email protected]

Best wishes to all the aspirants and also the engineering faculty who would like to go though the following pages.

#### Civil Services Prelims Civil Engineering Previous Years Objective Questions with Solutions

UPSC Civil Services Preliminary examinations during the period 1994 to 2010 have resulted in large sets of objective type questions in various fields of engineering. It is observed that a very significant proportion of these questions are regularly appearing in ESE, GATE, PSUs and competitive examinations of various state public service commissions of the country.

With a view to assist candidates appearing for examinations of the above type, ACE Academy takes pride in bringing out a complete set of detailed solutions for the civil services preliminary examinations, Civil Engineering questions.

Most of these questions are conceptual and of high standard. Detailed solutions explaining how the answers arrived at is presented in addition to answer keys. These will be found useful not only in answering objective type questions but also questions of the conventional type.

The solutions are prepared with utmost care. Inspite of this, if there are errors of any type, we will be grateful to be informed of the same to [email protected]

#### ESE / GATE / PSUs Numerical Ability, Theory & self practice questions

The study material for Numerical Ability is thoroughly revised this year to meet the requirements of all categories of students. It consists of

(i) Brief synopsis covering the entire syllabus

(ii) Worked out examples, concept wise

(iii) Practice questions with detailed solutions

The students are advised to go through the theory duly understanding the worked out examples to the extent possible and practice the questions, By doing so, the students will get familiarized with some of the concepts and can really enjoy the lecture in the class. Also, the students can interact with the faculty in a better way.

After attending the classes and understanding the typical questions explained by the professors, the students will be in a position to solve these questions in work book. However, for verifying the correctness, Hints/solutions are also given wherever required. The student is advised to struggle to get the solution for the problems in the work book by self analysis and not to refer the solution first.

Thanks to all Professors who extended their services in the preparation of this booklet.

It is believed that this volume is also a valuable aid to the students appearing for competitive exams like ESE, ISRO, State and Central Commissions and other PSUs.

#### ESE 2020 Mains Civil Engineering Conventional Paper I Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper-I of Civil Engineering six subjects are

included as follows:

1. Building Materials 2. Solid Mechanics

3. Structural Analysis 4. Design of Steel Structures

5. Design of Concrete and Masonry Structures

6. Construction Practice, Planning and Management

**The following approach is advisable to secure maximum marks.**

• The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given

(b) The appropriate figure, if applicable, with parts labeled properly

(c) The concept on which the problem is being solved

(d) The relevant formulae with standard notations and abbreviations. Incase the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done. Otherwise 70% of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

- The neatness and presentation of solutions will have 5% marks.
- Note that all parts of a question shall be answered together.
- Using short sentences and brevity in expressing the content is appreciated.
- Practice of numerical problems using calculator is very much essential instead of reading merely.

#### ESE 2020 Mains Civil Engineering Conventional Paper II Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper-II of Civil Engineering eight subjects are included as follows:

1.Fluid Mechanics & Hydraulic Machinery 2.Hydrology

3.Irrigation Engineering. 4.Environmental Engineering

5.Geotechnical Engineering. 6.Surveying

7.Transportation. 8.Geology

**The following approach is advisable to secure maximum marks.**

• The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given

(b) The appropriate figure, if applicable, with parts labeled properly

(c) The concept on which the problem is being solved

(d) The relevant formulae with standard notations and abbreviations. Incase the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done. Otherwise 70% of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

- The neatness and presentation of solutions will have 5% marks.
- Note that all parts of a question shall be answered together.
- Using short sentences and brevity in expressing the content is appreciated.
- Practice of numerical problems using calculator is very much essential instead of reading merely.

#### ESE 2020 Mains Electrical Engg Conventional Paper I Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper-I of Engineering six subjects are included as follows:

1. Engineering Mathematics 2. Electrical Materials

3. Electric Circuits & Fields 4. Electrical & Electronic Measurements

5. Computer Fundamentals 6. Basic Electronics Engineering

As Engineering Mathematics, Computer Fundamentals and Basic Electronics Engineering are included from ESE-2017, few expected model questions are added in this booklet. The following approach is advisable to secure maximum marks.

1. The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given

(b) The appropriate figure, if applicable, with parts labelled properly

(c) The concept on which the problem is being solved

(d) The relevant formulae with standard notations and abbreviations. Incase the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done. Otherwise 70% of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

2. The neatness and presentation of solutions will have 5% marks.

3. Using short sentences and brevity in expressing the content is appreciated.

4. Practice of numerical problems using calculator is very much essential instead of reading merely.

5. Try to understand and practice the solutions keeping in view QCAB ( Questions Cum Answer Booklet) Format.

#### ESE 2020 Mains Electrical Engg Conventional Paper II Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In paper-II of Electrical Engineering six subjects are included as follows:

1. Analog and Digital Electronics 2. Systems and Signal Processing

3. Control System 4. Electrical Machines

5. Power Systems 6. Power Electronics and Drives

As systems and Signal Processing is included from ESE-2017, few expected model questions are added in this Booklet.

The following approach is advisable to secure maximum marks.

1) The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given.

(b) The appropriate figure, if applicable, with parts labelled properly

(c) The concept on which the problem is being solved.

(d) The relevant formulae with standard notations and abbreviations. Incase the paper setter asks to solve the questions from the fundamental, necessary derivations shall be done. Otherwise 70% of marks one has to the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

2) The neatness and presentation of solutions will have 5% marks.

3) Note that all parts of a question shall be answered together.

4) Using short sentences and brevity in expressing the content is appreciated.

5) Try to understand and practice the solutions keeping in view QCAB (Questions cum Answer Booklet) format.

#### ESE 2020 Mains Electronics & Telecommunication Engineering Conventional Paper 2 Previous Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5 % weight age in the entire process of written test.

In Paper – II of electronics & Telecommunications Engineering six subjects are included as follows:

01: Analog & Digital Communication Systems 02. Control Systems

03. Computer Organisation & Architecture 04. Electro Magnetics

05. Advanced Electronics Topics 06. Advanced Communication Topics

The following Approach is advisable to secure maximum marks.

The solution to any question shall have the following appropriate steps generally. Steps will have due weight age.

- The data Given
- The appropriate figure, if applicable with parts labelled properly
- The concept on which the problem is being solved
- The relevant formulae with standard notations and abbreviations. In case the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done, otherwise 70 % of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries like less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a Problem .

1) The neatness and presentation of solutions will have 5 % marks

2) Note that all parts of a question be answered together.

3) Using short sentences and brevity in expressing the content is appreciated.

4) Practice of numerical problems using calculator is very much essential instead of reading

5) Try to understand and practice the solutions keeping in view QCAB format

#### ESE 2020 Mains Electronics & Telecommunication Engineering Conventional Paper I Previous Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper-I of Electronics & Telecommunication Engineering six subjects are included as follows:

01.Network Theory 02. Analog & Digital Circuits

03.Electronic Measurements and Instrumentation 04. Basic Electronics Engineering

05. Materials Science 06. Basic Electrical Engineering

Few expected model questions and solutions of Basic Electrical Engineering subject are added in this booklet.

The following approach is advisable to secure maximum marks.

- The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given

(b) The appropriate figure, if applicable, with parts labeled properly

(c) The concept on which the problem is being solved

(d) The relevant formulae with standard notations and abbreviations. Incase the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done. Otherwise 70% of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

- The neatness and presentation of solutions will have 5% marks.
- Note that all parts of a question shall be answered together.
- Using short sentences and brevity in expressing the content is appreciated.
- Practice of numerical problems using calculator is very much essential instead of reading merely.

#### ESE 2020 Mains Mechanical Engineering Conventional Paper 2 Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper-II of Mechanical Engineering Nine subjects are included as follows:

01. Production Engineering 02. Strength of Materials

03. Theory of Machines 04. Machine Design

05. Industrial Engineering 06.Engineering Materials

07. Maintenance Engineering 08. Engineering Mechanics

The following approach is advisable to secure maximum marks.

1) The solution to any question shall have the following appropriate steps generally. Steps will also have due weightage.

(a) The data given

(b) The appropriate figure, if applicable, with parts labeled properly

(c) The concept on which the problem is being solved

(d) The relevant formulae with standard Notations and abbreviations. Incase the paper setter asks to solve the question from the fundamentals, necessary derivations shall be done. Otherwise 70% of marks one has to lose. If the question carries more marks like 10 to 20 marks detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concepts may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

2) The neatness and presentation of solutions will have 5% marks.

3) Note that all parts of a question shall be answered together.

4) Using short sentences and brevity in expressing the content is appreciated.

5) Practice of numerical problems using calculator is very much essential instead of reading merely.

#### ESE 2020 Mains Mechanical Engineering Conventional Paper I Previous Conventional Questions with Solutions

In UPSC Engineering Services, Conventional Papers have 54.5% weightage in the entire process of written test.

In Paper – I of Mechanical Engineering four subjects are included as follows:

01.Thermal Engineering

02.Heat Transfer

03.Fluid Mechanics & Turbomachinery

04.Renewable Sources of Energy

**The following approach is advisable to secure maximum marks.**

- While solving any question the following appropriate steps should generally be followed. Steps will also have due weightage.

(a) Mention the given data

(b) Draw the appropriate figure, if applicable, with parts labelled properly- State the concept on which the problem is being solved
- Write the relevant formulae with standard notations and abbreviations.

- Incase the question is to be solved from the fundamentals, necessary derivations should be done. Otherwise 70% of marks one has to lose. If the question carries more marks (like 10 to 20 marks) detailed analysis is compulsory to score high. If the question carries less marks (<8) the formulae with abbreviations and concept may be sufficient. In any case, the assumptions made shall be written clearly while solving a problem.

- The neatness and presentation of solutions will have 5% marks.
- Using short sentences and brevity in expressing the content is appreciated.
- Practice of numerical problems using calculator is very much essential instead of reading merely

#### ESE-2021 General Studies & Engineering Aptitude Previous Objective Questions with Solutions, Subject wise (2017-2020)

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