GATE 2021 Engineering Sciences (XE) Answer Key (Available) – Check Here

GATE 2021 Engineering Sciences (XE) Answer Key: Get here the GATE Engineering Sciences (XE) Answer Key 2021. The answer key of the GATE 2021 XE paper is useful for the students to get an estimate of their scores after the exam. The answer key and the marking scheme are to be used to calculate the score. Check this page for more details on the GATE 2021 Engineering Sciences (XE) Answer Key.

Latest: GATE 2021 XE answer key and question paper released by IIT Bombay. Check it from the page below.

GATE 2021 Question Paper

IIT Bombay has released the Question Paper of the GATE 2021 exam on the official website. The question paper releases with the answer key, response sheet and Question Papers together after the exam. Concerned candidates can download the question papers from the website

Engineering Sciences (XE)Question Paper
Engineering MathematicsCheck Here
Fluid MechanicsCheck Here
Materials ScienceCheck Here
Solid MechanicsCheck Here
ThermodynamicsCheck Here
Polymer Science and EngineeringCheck Here
Food TechnologyCheck Here
Atmospheric and Oceanic SciencesCheck Here

GATE 2021 Official Engineering Sciences (XE) Answer Key

The official answer keys of GATE 2021 has been released on the website of the conducting body after the exam. Unlike unofficial answer keys, which are available immediately, GATE official answer keys are released after a short time. Candidates can download the GATE 2021 Official Answer Key for Engineering Sciences (XE) from the website as per schedule after the exam.

Engineering Sciences (XE)Answer Key
Engineering MathematicsCheck Here
Fluid MechanicsCheck Here
Materials ScienceCheck Here
Solid MechanicsCheck Here
ThermodynamicsCheck Here
Polymer Science and EngineeringCheck Here
Food TechnologyCheck Here
Atmospheric and Oceanic SciencesCheck Here

How to Download GATE 2021 Official XE Answer Key?

The official answer key of GATE 2021 releases through the website of the IIT Bombay. Candidates can visit the website and download the answer key as per schedule by following the simple steps given below.

1st Step: Visit GATE 2021 official website i.e.

2nd Step: Look for the link to download the GATE 2021 Official Answer Key.

3rd Step: Click on the link and verify the subject code.

4th Step: The answer key PDF displays on screen. Candidates can download and print out for use.

GATE 2021 XE Answer Key Dates

Various coaching institutes and individuals tracking the exam releases GATE Unofficial Answer Key right after the exam is concluded. These are memory-based but are helpful in knowing the correct answers immediately after the exam. The official GATE 2021 Answer Key releases a short while after the exam. Check out the schedule of events related to the GATE 2021 Engineering Sciences (XE) Answer Key below.

EventsImportant Dates
GATE 2021 Exam Date06, 07, 13 and 14, Feb 2021
Availability of official answer key26 Feb 2021
GATE 2021 Result Declaration22 Mar 2021
Last date to download GATE 2021 Scorecard31 May 2021

How to calculate score using GATE 2021 XE Answer Key?

Using the marking scheme and with the held of the GATE 2021 Answer Key, it is possible to estimate the final score of a candidate. For this, candidate need to follow the simple steps below.

1st Step: Download the GATE 2021 Answer Key, Candidates’ Response Sheet & Question Paper from

2nd Step: Compare the answers in the response sheet with the correct answers indicated in the GATE 2021 Answer Key.

3rd Step: Count the number of correct and incorrect answers.

4th Step: Estimate the final score by using the formula given below.

GATE Scores = (No. of correct question x marks for correct answer) – (no. of incorrect questions x negative marking)

GATE 2021 Marking Scheme

Check out GATE 2021 Marking Scheme for estimating final score from the table below.

QuestionsCorrect Answer MarksNegative Marking
Multiple Choice Questions (MCQ) and
Multiple Select Questions (MSQs)
+1 or +2 marks-1/3 for 01 mark question
-2/3 for 02 mark question
Numerical Answer Type (NAT)+1 or +2 marksNo Negative Marking

GATE 2021 Engineering Sciences (XE) Paper Cut Off

Cut-offs are decided by the conducting body i.e. Indian Institute of Technology, Bombay based on a number of factors. These factors may include the number of candidates taking the test, the overall level of difficulty of the exam, availability of seats etc. The cut-offs are declared at the official website along with the result. Check out the cut-offs as per previous year exams below.

YearGeneralOBC (NCL)SC/ ST/ PWD
201931.528.3 21

GATE 2021 Engineering Sciences (XE) Answer Key

  • Exam Date – February 13, 2021
  • Time – 03.00 PM – 06.00 PM
  • Subject Paper – Engineering Sciences (XE)
  • GATE 2021 Result Date: 22 March 2021

If you appeared for GATE 2021 XE paper, then submit your questions and we will provide you the answer key. Click on the button below to submit answers. All the best!

Ques. f(x) is a positive function.
The area under f(x) from x = 0to x = a is a2/2 + a/2 sina + π/2 cosa – π/2
Find the value of f(π/2)

Qs. If the real gas undergoes throttling. What happens to the temperature?

Qs. (COP)actual = 0.8 (COP)Ideal – Ref cycle. What are the temperatures at which these cycles are operating?

Qs. For Newtonion fluid, if Z = K (dv/ dy)n. What is the value of n?


Ans. Efficiency = 1.2

You can also check: GATE answer keys for all 27 papers

GATE 2021 Result

Results of the GATE exam releases at the official website of the conducting body after the exam. The result releases after the final answer keys are published. Following the release of the result, the GATE scorecard also releases at the website. Candidates can check GATE 2021 result from the website as per schedule after the exam.

About GATE 2021

The Graduate Aptitude Test for Engineering is conducted once a year by one of the selected IITs or IISc Bangalore. GATE exam is conducted for two main purposes. Firstly, on the basis of GATE score, candidates are offered admission to Master’s degree programs in Engineering in various Indian Universities. Secondly, various PSUs also accept the GATE score as an eligibility criteria for recruitment purposes. Candidates can refer to the official website of IIT Bombay( (GATE 2021 Conducting Institute) at for all the latest updates of the exam.


Q1. On which website GATE 2021 answer key releases?

Ans. The answer key releases at

Q2. Is candidate login necessary to download GATE 2021 Answer Key?

Ans. No, candidate login is not necessary to download the answer key.

Q3. When does GATE 2021 result releases?

Ans. The GATE 2021 result releases after the release of the final answer key.

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