GATE CE 2007 | Quality Control of Water Question 21 | Environmental Engineering

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GATE CE 2007

MCQ (Single Correct Answer)

-0.3

The alkalinity and the hardness of a water sample are 250 mg/L and 350 mg/L as $$CaCo_3$$, respectively. The water has

350 mg/L carbonate hardness and zero non-carbonate hardness.

250 mg/L carbonate hardness and zero non-carbonate hardness.

250 mg/L carbonate hardness and 350 mg/L non-carbonate hardness.

250 mg/L carbonate hardness and 100 mg/L non-carbonate hardness.

GATE CE 2005

MCQ (Single Correct Answer)

-0.3

1 TCU is equivalent to color produced by

1 mg/L of chloroplatinate ion

1 mg/L of platinum ion

1 mg/L of Platinum in the form of chloroplatinate ion

1 mg/L of organo-chloroplatinate ion

GATE CE 2004

MCQ (Single Correct Answer)

-0.3

Most of the turbidity meters work on the scattering principle. The turbidity value obtained is expressed in

CFU

FTU

JTU

NTU

GATE CE 2002

MCQ (Single Correct Answer)

-0.3

In natural water, hardness is mainly caused by

$$Ca^{++}$$ and $$Mn^{++}$$

$$Ca^{++}$$ and $$Fe^{++}$$

$$Na^{+}$$ and $$K^{+}$$

$$Ca^{++}$$ and $$Mg^{++}$$

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GATE CE Subjects

Engineering Mechanics

Equilibrium of Force Systems Work Energy Principle and Impulse Momentum Equation

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

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

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

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

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 Fluid Dynamics Boundary Layer Theory Drag and Lift 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

Irrigation

Gravity Dams and Spillways Water Requirement of Crops

Geomatics Engineering Or Surveying

Levelling Traversing Theodolites and Plane Table Surveying Measurement of Area, Volume and Theory of Errors and Survey Adjustment 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 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 Calculus Complex Variable Differential Equations Linear Algebra Numerical Methods Vector Calculus Transform Theory

General Aptitude

Numerical Ability Logical Reasoning Verbal Ability