GATE CE 2023 Set 2 | Construction Materials Question 9 | Construction Material and Management

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GATE CE 2023 Set 2

MCQ (Single Correct Answer)

-0.33

M20 concrete as per IS 456: 2000 refers to concrete with a design mix having _______.

an average cube strength of 20 MPa

an average cylinder strength of 20 MPa

a 5-percentile cube strength of 20 MPa

a 5-percentile cylinder strength of 20 MPa

GATE CE 2023 Set 1

MCQ (Single Correct Answer)

-0.33

In cement concrete mix design, with the increase in water-cement ratio, which one of the following statements is TRUE?

Compressive strength decreases but workability increases

Compressive strength increases but workability decreases

Both compressive strength and workability decrease

Both compressive strength and workability increase

GATE CE 2022 Set 2

MCQ (Single Correct Answer)

-0.33

Match all the possible combinations between Column X (Cement compounds) and Column Y (Cement properties) :

Column X	Column Y
(i) $${C_3}S$$	(P) Early age strength
(ii) $${C_2}S$$	(Q) Later age strength
(iii) $${C_3}A$$	(R) Flash setting
	(S) Highest heat of hydration
	(T) Lowest heat of hydration

Which one of the following combinations is correct?

(i) - (P), (ii) - (Q) and (T), (iii) - (R) and (S)

(i) - (Q) and (T), (ii) - (P) and (S), (iii) - (R)

(i) - (P), (ii) - (Q) and (R), (iii) - (T)

(i) - (T), (ii) - (S), (iii) - (P) and (Q)

GATE CE 2022 Set 1

MCQ (Single Correct Answer)

-0.33

Which of the following equations is correct for the Pozzolanic reaction?

Ca(OH)₂ + Reactive Superplasticiser + H₂O $$\to$$ C-S-H

Ca(OH)₂ + Reactive Silicon dioxide + H₂O $$\to$$ C-S-H

Ca(OH)₂ + Reactive Sulphates + H₂O $$\to$$ C-S-H

Ca(OH)₂ + Reactive Sulphur + H₂O $$\to$$ C-S-H

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GATE CE Subjects

Engineering Mechanics

Work Energy Principle and Impulse Momentum Equation Equilibrium of Force Systems

Strength of Materials Or Solid Mechanics

Pure Bending Shear Stress In Beams Simple Stresses Complex Stress Centroid and Moment of Inertia Torsion Shear Force and Bending Moment Deflection of Beams Thin Cylinder Strain Energy Method Columns and Struts Propped Cantilever Beam

Structural Analysis

Energy Principle Truss Stability and Static Indeterminacy Methods of Analysis Indeterminacy Arches and Cable Slope Deflection Method Matrix Method Moment Distribution Method Influence Line Diagram Plastic Analysis

Construction Material and Management

Critical Path Method Construction Materials Program Evolution Review Technique

Reinforced Cement Concrete

Singly Reinforced Sections Workmenship and Fundamentals Doubly Reinforced Sections Flanged Beams Limit State of Collapse Shear Limit State of Collapse Torsion Limit State of Collapse Compression Footings Bond Limit State of Serviceability Prestressed Concrete Slabs

Steel Structures

Eccentric Connections Plate Girder Tension Members Welded Connections Materials and Specifications Riveted Joints and Bolted Joints Beams Compression Members

Geotechnical Engineering

Origin of Soils Definitions and Properties of Soils Classification of Soils and Clay Mineralogy Effective Stress and Permeability Seepage Analysis Compaction of Soil Compressibility and Consolidation Shear Strength of Soil Stress Distribution of Soil Retaining Wall and Earth Pressure Stability of Slopes Shallow Foundation Pile Foundation Soil Stabilization

Fluid Mechanics and Hydraulic Machines

Fluid Pressure and Measurement Hydrostatic Forces Fluid Dynamics Boundary Layer Theory Drag and Lift Dimensional Analysis Flow Through Pipes Open Channel Flow Hydraulic Machines Properties of Fluids Fluid Statics

Hydrology

Precipitation and Frequency of Rainfall Data Evaporation and Transpiration Infiltration Hydrograph Flood Estimation and Flood Routing Well Hydraulics and River Gauging

Irrigation

Water Requirement of Crops Gravity Dams and Spillways

Geomatics Engineering Or Surveying

Levelling Traversing Theodolites and Plane Table Surveying Measurement of Area, Volume and Theory of Errors and Survey Adjustment Curves Field Astronomy and Photogrammetric Surveying Basics of GIS, GPS and Remote Sensing Angular Measurements and Compass Survey Basic Concepts Linear Measurements and Chain Survey

Environmental Engineering

Sources and Coveyances Water Quality Control of Water Treatment of Water Water Demand Waste Water Characteristics Sewage System and Sewer Appurtenances Treatment of Sewage Disposal of Sewage Effluent Solid Waste Management Air Pollution Noise Pollution

Transportation Engineering

Highway Devolopment and Planning Highway Geometric Design Traffic Engineering Highway Materials Pavement Design Railway, Runway and Taxiway Design

Engineering Mathematics

Probability and Statistics Differential Equations Transform Theory Calculus Complex Variable Linear Algebra Vector Calculus Numerical Methods

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability