GATE 2023 Paper Analysis: Solutions, Difficulty level & Answer Key

GATE 2023 Paper Analysis Highlights

The highlights of the GATE 2023 paper analysis are shared below in the following points.

• The GATE 2023 Exam will be held on the 4th, 5th, 11th, and 12th of February 2023.
• Each GATE paper has 65 questions for a total of 100 marks.
• For one mark question, 1/3 will be deducted for a wrong answer.
• For two marks questions, 2/3 will be deducted for a wrong answer.

GATE 2023 Exam Time Schedule

Candidates can check the exam schedule for the GATE 2023 examination issued by IIT Kanpur for all 29 papers.

 GATE 2023 Paper Analysis: All Branches Links

Here we have provided the links for the subject-wise paper analysis for the GATE 2023 exam. Go through the table below to click on the links and read the analysis for the top five branches of the GATE 2023 exam.

GATE 2023 Paper Analysis: Civil Engineering (CE.)

The GATE 2023 paper analysis for the Civil Engineering branch is shared in the form of highlights and questions asked.

Important Highlights of GATE CE 2023 Session 1 (Morning Shift)

• The paper had ...... MCQ, ......... MSQ, and ......... NAT questions.
• The overall level of the exam was ..............., and the paper was calculative.
• The General Aptitude section was Tough & Engineering Mathematics was ...................
• ........................... subjects had the highest weightage of .............. marks each.

Join Live Session for GATE CE 2023: Shift 1

Questions Asked in Today's GATE 2023 CE Exam Session -1

1. 

2. 

3. 

4. 

5. 

6. 

Important Highlights of GATE CE 2023 Session 2 (Afternoon Shift)

• The paper had ...... MCQ, ......... MSQ, and ......... NAT questions.
• The overall level of the exam was ..............., and the paper was calculative.
• The General Aptitude section was Tough & Engineering Mathematics was ...................
• ........................... subjects had the highest weightage of .............. marks each.

Join Live Session for GATE CE 2023: Shift 2

Questions Asked in Today's GATE CE Shift 2

1. 

2. 

3. 

4. 

GATE 2023 Paper Analysis: Mechanical Engineering (ME.)

Catch all famous GATE Mechanical faculties of BYJU'S EXAM PREP with live analysis of the GATE ME paper on our Youtube channel.

Join LIVE Session for GATE 2023 Mechanical Paper Analysis

Important Highlights of GATE 2023 Mechanical Paper Analysis

The GATE 2023 Mechanical paper analysis session was conducted in the afternoon (2 pm - 5 pm). Candidates had to carry their admit Cards to enter the examination hall. There were 8 MSQs (multiple select), 32 MCQs (multiple select questions), and 25 NAT (Numerical Answer Type) questions in the first shift of the GATE Mechanical 2023 exam. Other highlights are shared below.

• The overall difficulty level of the first shift of the GATE Mechanical paper was Moderate to Tough.
• There were 8 MSQs (Multiple select)questions in the GATE 2023 ME exam. All these questions were theoretical-type questions.
• Manufacturing Engineering and Materials had the highest weightage in GATE 2023 ME paper.
• Questions asked from the General Aptitude portion were Easy in the exam.
• The level of questions from Engineering Mathematics was Moderate, with 13 marks on the paper.
• Strength of Materials carried 12 marks on the paper.

GATE 2023 Mechanical Paper Analysis: Weightage Difficulty Level

Here are the subject-wise marks and question distribution based on the reviews from BYJU'S EXAM PREP users. Aspirants can check the detailed subject-wise analysis from the table given below.

 GATE 2023 Mechanical Paper Questions and Solutions

We are sharing the questions asked in the GATE 2023 Mechanical exam, which will also be helpful for candidates attempting the GATE exam in the coming years. These questions are provided by our students in GATE 2023 Mechanical paper analysis.

Manufacturing and Engineering Materials - Memory Based

Question - In a metal casting process to manufacture parts, both patterns & mould provide shape by dictating where the material should or should not go. Which of the option given correctly describe mould and pattern?

[MSQ]

• Pattern walls indicate boundaries within which the molten part material is allowed, while mould walls indicate boundaries where mould material is not allowed.

• A mould wall indicates boundaries within which the molten part material is allowed, while a patterned wall indicates boundaries where mould material is not allowed.

• Mould can be used to make the pattern

• Patterns can be used to make a mould

Question - Two surfaces, P & Q, are joined together. Which of a given operation, there is no melting of two surfaces P & Q for creating a joint?

• Brazing
• Adhesive Holding
• Spot Welding
• Arc Welding

2. Thermodynamics

Question - A HE extracts (QH) from a TR at T = 1000 k and rejects to (QL) to TR at T = 100k. At the same time, producing (W) work. At the same time, a combination of [QH, QL and W] is allowed.

[MCQ - 1 Mark]

• QH = 2000 J, QL = 750 J, W = 1250 J
• QH = 6000 J, Q2 = 600J, W = 5500 J
• QH = 2000 J, QL = 500J, W = 1000J
• QH = 6000 J, QL = 500J, W = 5500 J

Question - Consider isentropic flow (r = 1.4) through the duct. Variation along the flow is negligible. P1 = 100 kPa, P1 = 1.2 kg/m3, u1 = 400 m/s, A2 = 2A1. Correct statement about u2 and P2.

[MCQ - 1 Mark]

Question -

3. Strength of Materials

Question-

Theory of Machines - Memory-based

Question -

Question -

Engineering Mathematics - Memory based

Question - The initial value problem is solved numerically using the forward Euler's method with a constant and positive time step of Δt. Let yn represent the numerical solution obtained after the n steps. The condition |yn+1| < |yn| is satisfied if Δt does not exceed ____ integer).

[NAT]

Industrial Engineering - Memory-based

Question -

7. General Aptitude -Memory-based

Question - Planting::Seed:: Raising:

[MCQ - 1 Mark]

• Child
• Lift
• Temperature
• Height

Question - The minute hand and second hand of a clock cross each other.............times between 09:15:00 AM and 09:45:00 AM on a day

[MCQ - 1 Mark]

• 29
• 30
• 15
• 31

Power Plant - Memory-based

Question

Fluid Mechanics & Hydraulics

Question - Consider the incompressible laminar fluid flow of constant property Newtonian fluid in an isothermal circular tube. The flow is steady with fully developed temperature and velocity profiles. The Nusselt number for this flow depends on

• the Prandtl number but not the Reynold number
• the Reynold number but not the Prandtl number
• neither the Reynold number nor the Prandtl number
• both the Reynold number and Prandtl number

Question - Consider a unidirectional flow with a velocity field given by V(x, y, z, t) = u(x, t)i where u(0, t) = 1. If spatially homogeneous density varies with time as f(t) = 1 + 0.2e–t. The value of u(2, 1) = __________ (Round off to two decimal places). Assuming all dimensionless quantities.

[MCQ - 1 Mark]

Question - The figure shows two fluids held by a hinged gate. The atmospheric pressure is 100 kPa. The moment per unit width about the base of the hinge is ______ km/m. (Round off to decimal places). Assume acceleration due to gravity, g = 9.8 m/s2.

[MCQ - 1 Mark]

Engineering Mechanics

Question - The figure shows a wheel rolling without slipping on a horizontal plane with angular velocity w. A rigid bar PQ is pinned to the wheel at P while Q slides on the floor at the end. What is the angular velocity w2 of the bar PQ?

[MCQ - 1 Mark]

• w2 = 2w1
• w2 = 0.25 w1
• w2 = w1
• w2 = 0.5 w1

GATE 2023 Paper Analysis: Electrical Engineering

The BYJU'S Exam Prep has conducted a Youtube session for GATE 2023 Electrical paper analysis on 5th February 2023. Expert faculties conducted this session after the GATE 2023 exam. Candidates can check the below link to the video for the Electrical Engineering paper analysis below.

Join LIVE Session for GATE 2023 Electrical Paper Analysis

Important Highlights of GATE 2023 Electrical Paper Analysis

The article shares important highlights of the GATE 2023 Electrical paper analysis below. The highlights contain all important information about the number of MSQ, MCQ and NAT questions in the paper and their difficulty level. The important highlights are shared below.

• The level of the GATE 2023 Electrical Engineering paper was Moderate to Tough.
• General Apptitude was Easy, but the questions were lengthy, so students destroyed a reasonable time to solve the questions.
• The GATE Electrical Engineering paper had 31 MCQs, 26 NAT and 8 MSQ questions.
• Signals and Systems carried the maximum weightage in the core paper.
• Electrical Machines, Engineering Mathematics & Power Systems had Easy to Moderate questions.
• Conceptual Questions were asked from Network Theory and Signals Systems

GATE 2023 Electrical Paper Analysis: Weightage Analysis

The subject-wise weightage analysis of the GATE 2023 Electrical Engineering paper is shared below in the table. The GATE 2023 Electrical paper analysis contains all the subjects of Electrical Engineering and the number of 1-mark and 2-mark questions.

GATE 2023 Electrical Engineering Questions

The BYJU'S Exam Prep will also share the GATE 2023 Electrical Engineering questions from candidates during the GATE 2023 Electrical paper analysis. These memory-based questions are shared below.

Power Electronics

Question -

Electrical and Electronics Measurements

Question -

Electrical Machines

Question -A separately excited DC motor rated 400V, 15A 1500 rpm drives a constant torque load at rated speed operating from 400V DC supply drawing rated current. The armature resistance is 1.2Ω. If the supply voltage drops 10% with the field current unaltered, then the resultant speed of the motor in rpm is___.

[NAT]

Question -A 10 pole, 50 Hz, 240V, single phase induction motor runs at 540 rpm while driving rated load. The frequency of induced rotor currents due to the backward field is

[MCQ - 1 Mark]

• 95 Hz
• 5 Hz
• 100 Hz
• 10 Hz

Question- A 3-ϕ synchronous motor with a synchronous impedance of 0.1 + j0.3 per unit per phase has a static stability limit of 2.5 pu. The corresponding excitation voltage in pu is _____(round off to 2 decimal places).

[NAT]

Electric Circuits

Question -

Power Systems

Question -

Electric Circuits

Question -

Digital Electronics

In a given 8-bit general-purpose mic controller, there are the following flags, C-carry, A-auxiliary Larry, and 0 overflows.

P- parity for even ┴ for odd).

R0 and R1 are the general purpose register of the microcontroller. After execution of the following instruction, the decimal equivalent of the binary sequence of the flagged path [CAOP] will be

MOV R0, + X60

MOV R1, +X 46

AOD R0, R1

[NTA - Mark]

Analog Electronics

Question -

GATE 2023 Paper Analysis: Electronics & Communication Engineering (EC.)

The BYJU'S Exam Prep will conduct the youtube session with all the GATE ESE qualified faculties on their Youtube channel GATE ESE ECE channel. This session will be conducted just after the examination.

Join LIVE Session for GATE EC 2023 Analysis

Important Highlights of GATE 2023 ECE Paper Analysis

The important highlights based on GATE 2023 ECE paper analysis are shared below in the points. These highlights will help future aspirants to follow the level of questions asked in the GATE ECE paper. The GATE 2023 ECE paper highlights are.

• The Overall difficulty level of the GATE 2023 ECE paper was Easy to Moderate.
• The questions from Electronic Devices and Signals & Systems were a little tricky.
• There were 4 MSQ, 16 NAT and 15 MCQ questions per GATE 2023 ECE paper analysis.
• Questions from the General Aptitude section were Easy but lengthy.
• Engineering Mathematics carried the maximum weightage with 15 marks.

GATE 2023 ECE Paper Analysis: Subject-wise Weightage

The BYJU'S Exam Prep has provided the detailed subject-wise marks analysis of the GATE 2023 ECE paper. This table has been prepared on the memory-based questions shared by our students in GATE 2023 ECE paper analysis. So go through the table for GATE 2023 ECE marks distribution.

GATE 2023 ECE Paper Analysis: Comparison with Last Year's Data

The table below compares each Electronics and Communication subject marks from the last three years' data. These subject-wise data are shared based on GATE 2023 ECE paper analysis. The candidates preparing for GATE 2024 can go through the table and estimate the future GATE paper and its weightage based on data.

GATE 2023 ECE Question Paper (Memory Based)

The GATE 2023 ECE paper analysis will also cover the questions asked in the GATE 2023 ECE examination. These questions are based on memory-based questions and answers shared by our students. The GATE 2023 ECE questions and answers are shared below.

Network Theory Questions GATE ECE 2023

Question - The switch S1 was closed, and S2 was open for a long time. AT t = 0, switch S1 is opened, and S2&is closed. The value of ic(0+) (in A).

[NAT - 2 Marks]

Question -&The maximum magnitude of VR in ____ volts.

Question -&A series RLC circuit has θ = 1000 at a centre frequency of 106 rad/sec. Possible values of R, L and C.

• L = 1μH, C = 1μf, R = 0.01Ω
• L = 1μH, C = 1μf, R = 0.001Ω
• L = 1μH, C = 1μf, R = 0.1Ω
• L = 1μH, C = 1μf, R = 1Ω

Signal Systems Questions GATE ECE 2023

Question - Let m(t) be a bandlimited signal with bandwidth B and energy E. Let ω0 = 10B, the energy of signal m(t)cosω0t.

[MCQ]

• E/2
• E/4
• 2E
• E

Question -Let ω4 = 16j. Which of the following cannot be the value of ω?

• 2e (power)&jπ/8
• 2e (power) j5π/8
• 2e (power) j9π/8
• 2e (power) j2π/8

Question -

Question -

General Apptitude Questions GATE ECE 2023

Question - In a class of 100 students

(i) 30 students reigher like romantic movies or comedy movies.

(ii) number of students who like romantic movies is twice the number of students who like comedy moves and

(iii) the number of students who like both romantic movies and comedy moves is 20

How many students in the class like romantic movies?

• 30
• 20
• 40
• 60

Question - What is the smallest number with distinct digits whose digits add upto 45?

• 99999
• 123456789
• 123555789
• 123457869

[MCQ - 2 Mark]

Question -

Control Systems Questions GATE ECE 2023

Question -

Analog Circuits

GATE 2023 Paper Analysis: Computer Science Engineering 

The BYJU'S Exam Prep conducted the GATE 2023 CSE paper analysis on 4th February 2023, just after the exam was organised. The expert GATE topper faculties conducted the GATE 2023 paper analysis on Youtube. Candidates who have given this examination can click on the link below to check the session.

GATE 2023 CSE Paper Analysis - Join LIVE Session

Highlights of GATE CSE Paper: Forenoon Shift

• The difficulty level of the GATE CS 2023 paper was Moderate to Tough.
• Data Structures & Programming carried the highest marks weightage in the examination.
• Operating Systems and Discrete Mathematics carried nine marks.
• There were theoretical and conceptual questions asked in the paper this time.
• There were 34 MCQs, 15 MSQS and 15 NATs asked in the examination. More weightage was given to MCQs this year by IIT Kanpur.
• Difficult questions were asked from Computer Network (Application Layer).
• More descriptive questions were asked this time.

GATE 2023 CSE Paper Analysis: Subject-Wise Weightage Analysis

The post shares below the subject-wise GATE 2023 CSE paper analysis organised in the forenoon shift. Candidates can get an idea of one & two marks questions from each subject.

Questions Asked in GATE CSE Paper 2023 Forenoon Shift

We have collected the questions shared by our candidates who have appeared in GATE 2023 CSE exam in the forenoon shift, which will be updated below.

Theory of Computation

1. 8-way set associative cache of bytes, 64 KB (1 KB = 1024 bytes), is used in a system with a 32-bit address. The address is subdivided into TAG, INDEX and BLOCK OFFSET. No. of bits in TAG is ______?

2. Minimum number of states in DFA which do not accept 111 sequences?

3. 3 Stage pipelined processor having a delay of 10 ns, 20 ns, and 14 nos for the 1st, 2nd and 3rd stages, respectively. No other delay and no other hazards. Assume one instruction is fetched in every cycle. The total execution time for 100 instructions is _______ nos. 

[NAT - 2 Mark]

4. 

Operating Systems

1. Which of the following scheduling policies causes starvation?

• FIFO

• SJF

• Priority

• RR

2. Consider a computer system with 57-bit virtual addresses using multilevel page tables with L levels for virtual to Physical address translation. The page size is 4 KB, and page table entries at any level occupy 8 bytes. What is the value of L?

[NAT - 1 Marks]

Discreet Mathematics

Engineering Mathematics 

1. Fx = x3 + 15x2 - 33x - 36

• Fx has local minima
• Fx does not have local minima
• Fx has local maxima
• Fx does not have local maxima

2. 

Databases 

1. What does arity means?

• Number of entries in the table
• Number of samples in the table
• Number of attributes in the table
• Number of records in the table

[MCQ- 1 Mark]

GATE 2023 Preparations with BYJU's Exam Prep Online Classroom Program

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