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

GATE 2023 XE Subject-wise Marks Distribution

The subject-wise marks distribution as per GATE 2023 XE paper analysis is shared below in the table.

Section/Subject	Total Marks
General Aptitude	15
Engineering Mathematics (XE-A)	15
XE – B/C/D/E/F/G/H (Any One)	35
XE – B/C/D/E/F/G/H (Any One)	35
TOTAL Marks	100

GATE 2023 XE Paper Analysis: Engineering Mathematics

The Engineering Mathematics section of the XE paper consisted of 11 questions, of which seven were of 1 mark each and four were of 2 marks each. Other highlights of the Engineering Mathematics section are shared in the points and table below:

• The questions covered differential Equations, Linear Algebra, Complex Analysis, and Numerical Methods.
• The difficulty level of the questions was moderate to difficult, with some requiring a good understanding of the mathematical concepts and their applications.
• The questions were designed to test the candidate’s ability to apply mathematical principles to real-life engineering problems.

Chapters	2022		2021		2020
	1 Mark	2 Marks	1 Mark	2 Marks	1 Mark	2 Marks
Linear Algebra	1	1	1	1	1	1
Calculus	2	2	2	1	2	–
Vector Calculus	0	0	–	–	1	–
Complex Variables	1	0	1	1	1	–
Ordinary Differential Equations	1	0	1	–	–	1
Partial Differential Equations	1	0	–	1	1	–
Probability and Statistics	1	0	1	–	–	2
Numerical Methods	0	1	1	–	1	–
TOTAL Qs.	7	4	7	4	7	4

GATE 2023 XE Paper Analysis: Fluid Mechanics

The highlights of the fluid Mechanics sections as per the GATE 2023 XE paper analysis are shared in the points and table below:

• The questions covered topics such as Hydrostatics, Fluid Dynamics, and Thermodynamics of Fluids.
• The difficulty level of the questions was moderate to difficult, with some requiring a good understanding of the fluid mechanics’ concepts and their applications.
• The questions were designed to test the candidate’s ability to analyze fluid flow problems and apply the relevant principles.

Chapters
	1 Mark	2 Marks	1 Mark	2 Marks	1 Mark	2 Marks
Flow and Fluid Properties	2	2	2	1	2	2
Kinematics of Fluid Motion	1	0	1	1	2	1
Integral Analysis for a Control Volume	1	2	2	2	0	0
Differential Analysis	0	2	0	2	1	3
Dimensional Analysis	1	1	0	1	1	1
Internal Flows	1	0	3	2	2	2
Bernoulli’s Equation and its Applications, Potential Flows	2	3	0	2	0	4
External Flows	1	3	1	2	1	0
TOTAL Qs.	9	13	9	13	9	13

GATE 2023 XE Question Paper Analysis: Fluid Mechanics

The highlights of the Thermodynamics section as per the GATE 2023 XE paper analysis are shared in the points and table below:

• The questions covered topics such as the First Law of Thermodynamics, the Second Law of Thermodynamics, and the Thermodynamics of Ideal Gases.
• The difficulty level of the questions was moderate, with most being direct.
• The questions were based on applying the fundamental principles of Thermodynamics, and the candidates were required to demonstrate their understanding of the subject.

Chapters	2022		2021		2020
	1 Mark	2 Marks	1 Mark	2 Marks	1 Mark	2 Marks
Basic Concepts	2	0	0	0	3	0
First Law of Thermodynamics	1	2	1	3	1	5
Second Law of Thermodynamics	2	3	1	2	2	1
Properties of Pure Substances	1	2	3	3	1	2
Thermodynamic Relations	1	2	2	2	0	0
Thermodynamic Cycles	2	1	0	2	1	3
Ideal Gas Mixtures	0	3	2	1	1	2
TOTAL Qs.	9	13	9	13	9	13

GATE 2023 XE Question Paper Analysis: Strength Of Materials

The questions were based on the Mechanics of Rigid Bodies, Mechanics of Deformable Bodies, and Vibrations. The candidates were required to demonstrate their understanding of the subject.

Chapters	2022		2021		2020
	1 Mark	2 Marks	1 Mark	2 Marks	1 Mark	2 Marks
Mechanics of Rigid Bodies	4	5	3	5	5	2
Mechanics of Deformable Bodies	5	7	5	7	4	10
Vibrations	0	1	1	1	0	1
TOTAL Qs.	9	13	9	13	9	13