Here at Toppersexam.com , you can practice a complete set of Mock Test Series along with a free GSSSB AAE Mechanical mock test designed by our expert faculty Team.
Gsssb Additional Assistant Engineer (mechanical) 2026 Free Mock Test Practice
Free Important Questions
Gsssb Additional Assistant Engineer (mechanical) 2026 Exam Free Online Question Bank
Combo Offers
GSSSB AAE Mechanical Combo Packages
We Launches Combo Offers ! with Heavy Discount and Cost Saving Prices. Combo Packages includes - Online Mock Test Series + Important Questions or MCQs + Previous Year Papers with Answer.
Combo Package
GSSSB AAE Mechanical
Combo - 1 (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
GSSSB AAE Mechanical
Combo - 2 (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹281₹311
Combo Package
GSSSB AAE Mechanical
Combo - 3 (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹731₹801
Combo Package
GSSSB AAE Mechanical
Combo - 4 (English)
1. Online Mock Test Series in English = 19 Tests.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of GSSSB AAE Mechanical (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 3000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of GSSSB AAE Mechanical (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹831₹991
GSSSB Additional Assistant Engineer (Mechanical) Syllabus 2026, Exam Pattern
GSSSB Additional Assistant Engineer (Mechanical) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about GSSSB has published notification 2026 for the recruitment of Additional Assistant Engineer (Mechanical) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
GSSSB Additional Assistant Engineer (Mechanical) Syllabus 2026 - Overview
| Organization Name | Gujarat Secondary Service Selection Board (GSSSB) |
| Post Name | Additional Assistant Engineer (Mechanical) |
| Number of Vacancies | 110 |
| Application Mode | Online |
| Category | Syllabus and Exam Pattern |
| Salary | Rs. 49,600/- |
| Selection Process | Written Test, Interview |
| Official Website | www.gsssb.gujarat.gov.in |
GSSSB Additional Assistant Engineer (Mechanical) Syllabus 2026
Part-A :-
Reasoning & Data Interpretation :
1. Problems on Ages
2. Venn Diagram
3. Visual Reasoning
4. Blood relation
5. Arithmetic reasoning
6. Data interpretation (Charts, Graphs, Tables)
7. Data sufficiency
(2) Quantitative Aptitude :
1. Number Systems
2. Simplification and Algebra
3. Arithmetic and Geometric Progression
4. Average
5. Percentage
6. Profit-Loss
7. Ratio and Proportion
8. Partnership
9. Time and Work
10. Time, Speed and Distance
11. Work, Wages and chain rule
(3) Constitution of India: (10 Questions, 10 Marks)
1. Preamble of the Constitution
2. Fundamental rights
3. Directive principles of state policy
4. Fundamental Duty
5. Power, role and responsibility of President, vice president and governor
6. Parliamentary system
7. Amendment of Indian constitution, emergency provisions in Indian constitution
8. Centre – State Government and their relation
9. Judicial System of Indian Constitution
10. Constitutional body
(4) Current Affairs: (10 Questions, 10 Marks)
1. Current events of state, national and international importance
(5) Comprehension: (Gujarati {5 marks} & English {5 marks})
(10 Questions, 10 Marks)
1.To assess comprehension, interpretation and inference skills
A paragraph given with set of question on the basis of paragraph
Or statement and assertion type question can be asked
Questions and Its Applications related to Technical Qualification :
1. THERMODYNAMICS (08 Marks) :
Fundamentals thermodynamic systems and control Volume; Thermodynamic
Properties, Process and state; Exact and Inexact differentials; Work-Thermodynamic
definition; Temperature, Definition of thermal equilibrium and Zeroth law; Definition
of heat; Definition of Pure substance, Ideal Gases and ideal gas mixtures, Real gases
and real gas mixtures, Properties of pure substances, behaviour of ideal and real
gases; Definitions of saturated states; Identification of states & determination of
properties.
➤ First Law for Cyclic & Non-cyclic processes; Concept of total energy E; Various modes of energy, Internal energy and Enthalpy.
➤ Second law - Definitions of direct and reverse heat engines; Definitions of thermal efficiency and COP; Kelvin-Planck and Clausius statements; Definition of reversible process; Internal and external irreversibility; Carnot cycle; Absolute temperature scale.
➤ Clausius inequality; Definition of entropy S; Evaluation of S for solids, liquids, ideal gases and ideal gas mixtures undergoing various processes; Principle of increase of entropy.
➤ Thermodynamic cycles Basic Rankine cycle, Basic Brayton cycle; Basic vapor compression cycle and comparison with Carnot cycle.
2. Fluid Mechanics (10 Marks) :
Definition of fluid, Newton's law of viscosity, Units and dimensions, mass density, specific volume, specific gravity, viscosity, compressibility and surface tension, Fluid properties; fluid statics, manometry, buoyancy, forces on submerged bodies, stability of floating bodies: control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli's equation; dimensional analysis: Euler's equation theory of Rotodynamic machines viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings. Classification of water turbines, heads and efficiencies, velocity triangles- Axial, radial and mixed flow turbines- Pelton wheel, Francis turbine and Kaplan turbines
3. Power Engineering (06 Marks) : Air and gas compressors; vapor and gas power cycles, concepts of regeneration and reheat.
4. I.C. Engines (10 Marks) :
Combustion in SI and CI engines, Combustion stages, Combustion chambers and abnormal combustion. Fuel supply systems in SI and CI engines, carburettors, Port
fuel injection, direct injection and Common rail injection. Ignition system, Lubrication system and Cooling system. Testing of IC engines. Engine emissions and control. Advanced IC Engine concepts, Air-standard Otto, Diesel and dual cycles. Heavy Earth Movers, Types of Excavators, Dumpers, Draggers, Cranes & Drilling Rigs:D.R. & D.T.H.
5. Refrigeration and air-conditioning (08 Marks) :
Vapor and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.
6. Engineering Mechanics (08 Marks) :
Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and
dynamics of particles and of rigid bodies in plane motion; Impulse and momentum
(linear and angular) and energy formulations, collisions.
7. Mechanics of Materials (10 Marks) :
Stress and strain, elastic constants, Poisson's ratio; Mohr's circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; Euler's theory of columns; energy methods. Testing of materials with universal testing machine; testing of hardness and impact strength.
8. Kinematics and Theory of Machines (08 Marks) :
Classification of mechanisms-Basic kinematic concepts and definitions-Degree of freedom, mobility- Grashof's law, Universal Joint-Rocker mechanisms Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope.
9. Engineering Materials (10 Marks)
Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials. Young's modulus, generalized Hooke's law, yielding and yield strength, ductility, resilience, toughness and elastic recovery; Hardness: Rockwell, Brinell and Vickers and their relation to strength. Static failure theories: Ductile and brittle failure mechanisms, Maximum normal stress, MohrCoulomb and Modified Mohr-Coulomb; Fracture mechanics, Introduction to nondestructive testing (NDT).
10. Manufacturing Processes (10 Marks)
Different types of castings, design of patterns, moulds and cores: solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes;principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding.
Heat treatment process-Annealing, tempering, normalizing and spheroidising.
Alloying of steel, properties of stainless steel and tool steels, maraging steels- cast irons: grey, white, malleable and spheroidal cast irons- copper and copper alloys; brass, bronze and cupro-nickel: Aluminium and Al-Cu-Mg alloys-Nickel based super alloys and Titanium alloys.
Unconventional Machining Processes: Abrasive Jet Machining. Water Jet Machining. Abrasive Water Jet Machining. Ultrasonic Machining. Principles and process parameters Electrical Discharge Machining. Principle and processes parameters, MRR, surface finish, tool wear, dielectric, power and control circuits, wire EDM; Electro-chemical machining (ECM), process parameters, MRR and surface finish. Laser Beam Machining (LBM), Plasma Arc Machining (PAM) and Electron Beam Machining.
Types of Pumps, Pump viscosity, Centrifugal, NPSH, and Pump curves, Progressive cavity, Screw pumps, Rope Pump. Submersible, Vertical turbine. Coupling section, Motor section. Well Section, Hydraulic Principles, General pumping fundamental.
Spillways-Types of spillway based on most prominent features, Spillway Crest Gates
11. Metrology and Inspection (10 Marks) :
Limits, fits and tolerances, linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly
12. Computer Integrated Manufacturing (06 Marks) : Basic concepts of CAD/CAM and their integration tools. NC/CNC Technology and Part programming
13. Operations Research (08 Marks) : Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM
14.Current Trends and Recent Advancements in the Above Fields. (08 Marks)
1. Problems on Ages
2. Venn Diagram
3. Visual Reasoning
4. Blood relation
5. Arithmetic reasoning
6. Data interpretation (Charts, Graphs, Tables)
7. Data sufficiency
(2) Quantitative Aptitude :
1. Number Systems
2. Simplification and Algebra
3. Arithmetic and Geometric Progression
4. Average
5. Percentage
6. Profit-Loss
7. Ratio and Proportion
8. Partnership
9. Time and Work
10. Time, Speed and Distance
11. Work, Wages and chain rule
(3) Constitution of India: (10 Questions, 10 Marks)
1. Preamble of the Constitution
2. Fundamental rights
3. Directive principles of state policy
4. Fundamental Duty
5. Power, role and responsibility of President, vice president and governor
6. Parliamentary system
7. Amendment of Indian constitution, emergency provisions in Indian constitution
8. Centre – State Government and their relation
9. Judicial System of Indian Constitution
10. Constitutional body
(4) Current Affairs: (10 Questions, 10 Marks)
1. Current events of state, national and international importance
(5) Comprehension: (Gujarati {5 marks} & English {5 marks})
(10 Questions, 10 Marks)
1.To assess comprehension, interpretation and inference skills
A paragraph given with set of question on the basis of paragraph
Or statement and assertion type question can be asked
Questions and Its Applications related to Technical Qualification :
1. THERMODYNAMICS (08 Marks) :
Fundamentals thermodynamic systems and control Volume; Thermodynamic
Properties, Process and state; Exact and Inexact differentials; Work-Thermodynamic
definition; Temperature, Definition of thermal equilibrium and Zeroth law; Definition
of heat; Definition of Pure substance, Ideal Gases and ideal gas mixtures, Real gases
and real gas mixtures, Properties of pure substances, behaviour of ideal and real
gases; Definitions of saturated states; Identification of states & determination of
properties.
➤ First Law for Cyclic & Non-cyclic processes; Concept of total energy E; Various modes of energy, Internal energy and Enthalpy.
➤ Second law - Definitions of direct and reverse heat engines; Definitions of thermal efficiency and COP; Kelvin-Planck and Clausius statements; Definition of reversible process; Internal and external irreversibility; Carnot cycle; Absolute temperature scale.
➤ Clausius inequality; Definition of entropy S; Evaluation of S for solids, liquids, ideal gases and ideal gas mixtures undergoing various processes; Principle of increase of entropy.
➤ Thermodynamic cycles Basic Rankine cycle, Basic Brayton cycle; Basic vapor compression cycle and comparison with Carnot cycle.
2. Fluid Mechanics (10 Marks) :
Definition of fluid, Newton's law of viscosity, Units and dimensions, mass density, specific volume, specific gravity, viscosity, compressibility and surface tension, Fluid properties; fluid statics, manometry, buoyancy, forces on submerged bodies, stability of floating bodies: control-volume analysis of mass, momentum and energy; fluid acceleration; differential equations of continuity and momentum; Bernoulli's equation; dimensional analysis: Euler's equation theory of Rotodynamic machines viscous flow of incompressible fluids, boundary layer, elementary turbulent flow, flow through pipes, head losses in pipes, bends and fittings. Classification of water turbines, heads and efficiencies, velocity triangles- Axial, radial and mixed flow turbines- Pelton wheel, Francis turbine and Kaplan turbines
3. Power Engineering (06 Marks) : Air and gas compressors; vapor and gas power cycles, concepts of regeneration and reheat.
4. I.C. Engines (10 Marks) :
Combustion in SI and CI engines, Combustion stages, Combustion chambers and abnormal combustion. Fuel supply systems in SI and CI engines, carburettors, Port
fuel injection, direct injection and Common rail injection. Ignition system, Lubrication system and Cooling system. Testing of IC engines. Engine emissions and control. Advanced IC Engine concepts, Air-standard Otto, Diesel and dual cycles. Heavy Earth Movers, Types of Excavators, Dumpers, Draggers, Cranes & Drilling Rigs:D.R. & D.T.H.
5. Refrigeration and air-conditioning (08 Marks) :
Vapor and gas refrigeration and heat pump cycles; properties of moist air, psychrometric chart, basic psychrometric processes.
6. Engineering Mechanics (08 Marks) :
Free-body diagrams and equilibrium; trusses and frames; virtual work; kinematics and
dynamics of particles and of rigid bodies in plane motion; Impulse and momentum
(linear and angular) and energy formulations, collisions.
7. Mechanics of Materials (10 Marks) :
Stress and strain, elastic constants, Poisson's ratio; Mohr's circle for plane stress and plane strain; thin cylinders; shear force and bending moment diagrams; bending and shear stresses; deflection of beams; torsion of circular shafts; Euler's theory of columns; energy methods. Testing of materials with universal testing machine; testing of hardness and impact strength.
8. Kinematics and Theory of Machines (08 Marks) :
Classification of mechanisms-Basic kinematic concepts and definitions-Degree of freedom, mobility- Grashof's law, Universal Joint-Rocker mechanisms Displacement, velocity and acceleration analysis of plane mechanisms; dynamic analysis of linkages; cams; gears and gear trains; flywheels and governors; balancing of reciprocating and rotating masses; gyroscope.
9. Engineering Materials (10 Marks)
Structure and properties of engineering materials, phase diagrams, heat treatment, stress-strain diagrams for engineering materials. Young's modulus, generalized Hooke's law, yielding and yield strength, ductility, resilience, toughness and elastic recovery; Hardness: Rockwell, Brinell and Vickers and their relation to strength. Static failure theories: Ductile and brittle failure mechanisms, Maximum normal stress, MohrCoulomb and Modified Mohr-Coulomb; Fracture mechanics, Introduction to nondestructive testing (NDT).
10. Manufacturing Processes (10 Marks)
Different types of castings, design of patterns, moulds and cores: solidification and cooling; riser and gating design. Plastic deformation and yield criteria; fundamentals of hot and cold working processes; load estimation for bulk (forging, rolling, extrusion, drawing) and sheet (shearing, deep drawing, bending) metal forming processes;principles of powder metallurgy. Principles of welding, brazing, soldering and adhesive bonding.
Heat treatment process-Annealing, tempering, normalizing and spheroidising.
Alloying of steel, properties of stainless steel and tool steels, maraging steels- cast irons: grey, white, malleable and spheroidal cast irons- copper and copper alloys; brass, bronze and cupro-nickel: Aluminium and Al-Cu-Mg alloys-Nickel based super alloys and Titanium alloys.
Unconventional Machining Processes: Abrasive Jet Machining. Water Jet Machining. Abrasive Water Jet Machining. Ultrasonic Machining. Principles and process parameters Electrical Discharge Machining. Principle and processes parameters, MRR, surface finish, tool wear, dielectric, power and control circuits, wire EDM; Electro-chemical machining (ECM), process parameters, MRR and surface finish. Laser Beam Machining (LBM), Plasma Arc Machining (PAM) and Electron Beam Machining.
Types of Pumps, Pump viscosity, Centrifugal, NPSH, and Pump curves, Progressive cavity, Screw pumps, Rope Pump. Submersible, Vertical turbine. Coupling section, Motor section. Well Section, Hydraulic Principles, General pumping fundamental.
Spillways-Types of spillway based on most prominent features, Spillway Crest Gates
11. Metrology and Inspection (10 Marks) :
Limits, fits and tolerances, linear and angular measurements; comparators; gauge design; interferometry; form and finish measurement; alignment and testing methods; tolerance analysis in manufacturing and assembly
12. Computer Integrated Manufacturing (06 Marks) : Basic concepts of CAD/CAM and their integration tools. NC/CNC Technology and Part programming
13. Operations Research (08 Marks) : Linear programming, simplex method, transportation, assignment, network flow models, simple queuing models, PERT and CPM
14.Current Trends and Recent Advancements in the Above Fields. (08 Marks)
GSSSB Additional Assistant Engineer (Mechanical) Exam Pattern 2026
Duration : 180 Minutes
Negative Marking : 0.25
| Part | Subject | No.of Question | Marks |
| Part A | Reasoning & Data Interpretation | 30 | 30 |
| Quantitative Aptitude | 30 | 30 | |
| Constitution of India, Current Affairs, Comprehension | 30 | 30 | |
| Part B | Questions and Its Applications related to Technical Qualification | 120 | 120 |
| Total | 210 | 210 |
Exam Date 2026 : Notified Soon
Starting Date of Application Form : 15th June 2026
Last Date of Application Form : 29th June 2026
Total Post : 110
FAQs
Gsssb Additional Assistant Engineer (mechanical) 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
Here at Toppersexam.com , you can practice a complete set of Imporatnt Questions (MCQ) along with a Free GSSSB AAE Mechanical MCQ designed by our expert faculty.
In this article Page, we have provided the required syllabus of the GSSSB AAE Mechanical exam.
Being familiar with GSSSB AAE Mechanical Exam Pattern will help you understand the types of questions asked, difficulty level of the exam and important topics that require your keen attention. It will also acquaint you with the marking scheme and time allotted to each Topics.
GSSSB AAE Mechanical syllabus pdf download option is available here which will help you to get the PDF saved in your device that you can access anytime. It consists of a complete syllabus of GSSSB AAE Mechanical which you can refer to while preparing for the exams.
GSSSB AAE Mechanical exam is not tough but it depends on your preparation. The candidates find the Subject not challenging. The dedicated preparation in the right direction will undoubtedly take you towards the goal.
The candidates must be well versed and acquainted with the syllabus and the exam pattern. Select the areas where improvement is required and schedule your preparation accordingly. To ace this exam, the applicants ought to maintain speed with high accuracy. Practicing previous years question papers will help you understand the exam pattern and the level of difficulty of the exam. You need to hone your strengths and improve upon your weaknesses. Toppersexam.com will aid you through the preparation and drive you to success. At Toppersexam.com, you can practice a complete set of test series along with a free GSSSB AAE Mechanical mock test designed by our expert faculty.
The syllabus of GSSSB AAE Mechanical Exam includes all topics that are important for the exam and are necessary for thorough preparation. Toppersexam provides a complete and updated syllabus with a detailed topic-wise breakdown.
You can download the complete GSSSB AAE Mechanical Exam syllabus PDF from toppersexam.com. The PDF is available free and includes a detailed list of topics, section-wise subjects, and weightage for better exam preparation.
Yes, GSSSB AAE Mechanical Exam has a topic-wise syllabus that includes all relevant subtopics. Toppersexam provides the detailed breakdown, helping candidates focus on high-weightage areas and avoid missing important sections.
Toppersexam ensures that the GSSSB AAE Mechanical syllabus is updated for 2026. The latest syllabus reflects current exam trends, question patterns, and updated topics as per official notifications.
The GSSSB AAE Mechanical Exam pattern includes details like the number of sections, total questions, marks distribution, and exam duration. Toppersexam provides a comprehensive guide on exam format, marking scheme, and question types.
Yes, the majority of questions in GSSSB AAE Mechanical Exam are MCQs. Toppersexam provides practice MCQs with answers to help candidates understand the question pattern and improve accuracy.
Yes, questions are divided section-wise. Toppersexam provides a clear guide on how many questions are asked per section and their difficulty level for effective preparation.
Yes, Toppersexam offers online mock tests that strictly follow the GSSSB AAE Mechanical Exam pattern. These mocks help candidates practice time management and get real-exam experience.
Yes, exam patterns can change over time. Toppersexam provides updated information on the latest exam pattern, question types, and section-wise changes.
Understanding the exam pattern is crucial for time management, question prioritization, and strategy planning. Toppersexam guides candidates on how to use the pattern effectively to maximize scores.
Start by dividing the syllabus into sections and prioritizing high-weightage topics. Toppersexam provides a preparation strategy, along with topic-wise tips and sample questions to make syllabus analysis easier.
Yes, focusing on high-weightage topics improves efficiency. Toppersexam highlights important topics, helping candidates prioritize sections for better performance.
Toppersexam provides a free downloadable PDF that includes both the syllabus and detailed exam pattern. This helps candidates study offline and revise efficiently.