GATE 2022 IMPORTANT QUESTIONS
Graduate Aptitude Test in Engineering, otherwise known as GATE is an examination of highest quality which an Engineering student needs to crack for the next step in career or in their educations. So are you one among that student? well if you are, then the rest is for you, only for you.
GATE is a competitive exam which exclusively include the things you learn in 4 years of you Engineering life. So, if you have a vision from the beginning in pursing GATE, then the best would be to keep a track on things you have learned from the first year of engineering till the last, making sure you don’t lose any of your engineering study material, however you will only be able to appear in GATE exam for the first time during your sixth semester, that is the basic eligibility criteria.
Study your core engineering subject promptly during your UG course is the right first step in preparation for GATE, which majority of the students struggle to do. The earliest realization to qualify GATE comes to the mind of majority during their final year.
A good GATE ranker will never skip subject like Geotechnical Engineering, Transportation Engineering, Environmental Engineering, Engineering Mathematics which constitute about 50% of mark. A wise GATE ranker will exclude considerable portion from Steel, Building Materials, high level concept of Structural Analysis, Strength of Materials.
1. Environmental Engineering
- Water and Waste Water Quality and Treatment:
Basics of water quality standards – Physical, chemical and biological parameters; Water quality index; Unit processes and operations; Water requirement; Water distribution system; Drinking water treatment. Sewerage system design, quantity of domestic wastewater, primary and secondary treatment. Effluent discharge standards; Sludge disposal; Reuse of treated sewage for different applications.
- Air Pollution:
Types of pollutants, their sources and impacts, air pollution control, air quality standards, Air quality Index and limits.
- Municipal Solid Wastes:
Characteristics, generation, collection and transportation of solid wastes, engineered systems for solid waste management (reuse/ recycle, energy recovery, treatment and disposal).
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2. Geotechnical Engineering
- Soil Mechanics:
Three-phase system and phase relationships, index properties; Unified and Indian standard soil classification system; Permeability – one dimensional flow, Seepage through soils – two – dimensional flow, flow nets, uplift pressure, piping, capillarity, seepage force; Principle of effective stress and quicksand condition; Compaction of soils; One- dimensional consolidation, time rate of consolidation; Shear Strength, Mohr’s circle, effective and total shear strength parameters, Stress-Strain characteristics of clays and sand; Stress paths.
- Foundation Engineering:
Sub-surface investigations – Drilling bore holes, sampling, plate load test, standard penetration and cone penetration tests; Earth pressure theories – Rankine and Coulomb; Stability of slopes – Finite and infinite slopes, Bishop’s method; Stress distribution in soils – Boussinesq’s theory; Pressure bulbs, Shallow foundations – Terzaghi’s and Meyerhoff’s bearing capacity theories, effect of water table; Combined footing and raft foundation; Contact pressure; Settlement analysis in sands and clays; Deep foundations – dynamic and static formulae, Axial load capacity of piles in sands and clays, pile load test, pile under lateral loading, pile group efficiency, negative skin friction.
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3. Water Resources Engineering
- Fluid Mechanics:
Properties of fluids, fluid statics; Continuity, momentum and energy equations and their applications; Potential flow, Laminar and turbulent flow; Flow in pipes, pipe networks; Concept of boundary layer and its growth; Concept of lift and drag.
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Forces on immersed bodies; Flow measurement in channels and pipes; Dimensional analysis and hydraulic similitude; Channel Hydraulics – Energy-depth relationships, specific energy, critical flow, hydraulic jump, uniform flow, gradually varied flow and water surface profiles.
Hydrologic cycle, precipitation, evaporation, evapo-transpiration, watershed, infiltration, unit hydrographs, hydrograph analysis, reservoir capacity, flood estimation and routing, surface run-off models, ground water hydrology – steady state well hydraulics and aquifers; Application of Darcy’s Law.
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Types of irrigation systems and methods; Crop water requirements – Duty, delta, evapo-transpiration; Gravity Dams and Spillways; Lined and unlined canals, Design of weirs on permeable foundation; cross drainage structures
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4. Transportation Engineering
- Transportation Infrastructure:
Geometric design of highways – cross-sectional elements, sight distances, horizontal and vertical alignments. Geometric design of railway Track – Speed and Cant. Concept of airport runway length, calculations and corrections; taxiway and exit taxiway design.
- Highway Pavements:
Highway materials – desirable properties and tests; Desirable properties of bituminous paving mixes; Design factors for flexible and rigid pavements; Design of flexible and rigid pavement using IRC codes.
- Traffic Engineering:
Traffic studies on flow and speed, peak hour factor, accident study, statistical analysis of traffic data; Microscopic and macroscopic parameters of traffic flow, fundamental relationships; Traffic signs; Signal design by Webster’s method; Types of intersections; Highway capacity.
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5. Geomatics Engineering
- Principles of surveying:
Errors and their adjustment; Maps – scale, coordinate system; Distance and angle measurement – Levelling and trigonometric levelling; Traversing and triangulation survey; Total station; Horizontal and vertical curves.
- Photogrammetry and Remote Sensing
Scale, flying height; Basics of remote sensing and GIS.
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6. Structural Engineering
- Engineering Mechanics:
System of forces, free-body diagrams, equilibrium equations; Internal forces in structures; Frictions and its applications; Centre of mass; Free Vibrations of undamped SDOF system. Solid Mechanics: Bending moment and shear force in statically determinate beams; Simple stress and strain relationships; Simple bending theory, flexural and shear stresses, shear centre; Uniform torsion, Transformation of stress; buckling of column, combined and direct bending stresses.
- Steel Structures:
Working stress and Limit state design concepts; Design of tension and compression members, beams and beam- columns, column bases; Connections – simple and eccentric, beam-column connections, plate girders and trusses; Concept of plastic analysis – beams and frames.
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- Structural Analysis:
Statically determinate and indeterminate structures by force/ energy methods; Method of superposition; Analysis of trusses, arches, beams, cables and frames; Displacement methods: Slope deflection and moment distribution methods; Influence lines; Stiffness and flexibility methods of structural analysis.
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- Concrete Structures:
Working stress and Limit state design concepts; Design of beams, slabs, columns; Bond and development length; Prestressed concrete beams.
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