Organisation : Arunachal Pradesh Public Service Commission (APPSC)
Exam Name : Laboratory Assistant (Civil Engineering)
Announcement : Syllabus
Website : https://appsc.gov.in/Index/common_page/doc63528/Syllabus
APPSC Laboratory Assistant (Civil Engineering) Syllabus
(i) Building Materials:
Physical and chemical properties, classification, standard tests, uses and manufacture/quarrying of materials, e.g. building stones, silicate-based materials, cement (Portland), asbestos products, timber and wood-based products, laminates, bituminous materials, paints, vamishes.
(ii) Strength of Materials & Theory of Structures:
Normal stress, shearing stress, Normal strain, Hooke’s Law, Stress-strain behavior of mild steel, Poisson’s Ratio, Shearing strain, Torsion of Circular Shaft, Relations among load, Shear and Bending Moment, Shear and Bending-Moment Diagrams, Pure Bending, Bending of Members Made of several Materials, Shearing Stresses in a Beam, Mohr’s Circle for Plane Stress, Principal Stresses, Maximum Shearing Stress, Euler’s Formula for Pin-Ended Columns and columns with other End conditions. Equation of the Elastic Curve by Double Integration Method, Slope and Deflection of Determinate Beams by Moment-Area Theorems, Deflections and Slope by Energy Methods, Castigliano’s Theorem, and Degree of Indeterminacy, Rolling loads and Influence lines for Determinate Beams, Trusses, and Floor Girders, Cables and Three-Hinged Arch.
(iii) Concrete Technology:
Properties, Advantages and uses of concrete, cement aggregates, standard tests, the Importance of water quality, water cement ratio, workability, mix design storage, batching, mixing, placement, compaction, finishing and curing of concrete, quality control of concrete, hot weather and cold weather concreting, repair and maintenance of concrete structures.
(iv) Surveying:
Principles of surveying, measuring distance, chain surveying, working of the prismatic compass, compass traversing, bearings, local attraction, plane table surveying, theodolite traversing, adjustment of the theodolite. Levelling, Definition of terms used in levelling, contouring, curvature and refraction correqtions, temporary and permanent adjustments of dumpy level, contouring methods, uses of a contour map, tachometric survey, curve setting, earthwork calculation, advanced surveying equipment. Total station Applications in civil engineering.
(v) Geotechnical Engineering:
Origin of soil, phase diagram, Definitions-void ratio, porosity, degree of saturation, water content, the specific gravity of soil grains, unit weights, dendity index and interrelationship of different parameters, Grain size distribution curves and their uses. Index properties of soils, standard tests, Atterberg’s limits, ISI soil classification and plasticity chart. Permeability of soil, coefficient of permeability, determination of coefficient of permeability, Unconfined and confined aquifers, effective stress, quick sand, consolidation of soils. Principles of consolidation, degree of consolidation, pre- consolidation pressure normally consolidated soil, e-log p curve, computation of ultimate settlement. Shear strength of soils, direct shear test, Vane shear test, Triaxial test. Soil compaction, Laboratory compaction test, Maximum dry density and optimum moisture content, earth pressure theories, active and passive earth pressures, bearing capacity of soils, plate load test, and standard penetration test.
(vi) Water Resources Engineering:
Hydrology: rainfall, stream flow measurements, runoff, hydrographs, flood studies, reservoir and channel routing, flood forecasting, flood protection measures, river training works, well hydraulics; Irrigation: Command area, duty and delta, canal outlets, crop-water requirement.
(vii) Fluid Mechanics: Properties of Fluid, Ivlanometry, Forces on Plane and Curved surfaces, Flow classification, Continuity Equation, Momentum Equation, and Energy Equation and their Applications, Orifices, Venturimeter, Weirs and Notches, Laminar and Turbulent Flow through Pipes, Darcy Weisbach Equation, Moody Diagram, Steady Uniform Flow in Open Channels, Manning’s Formula.
(viii) Transportation Engineering:
Highway Geometric Design: Cross sectional elements, Sight distances, horizontal and vertical alignments; Types and components of Pavement structures, Design of Flexible Pavements; Traffic Characteristics: Road user and vehicutar characteristics, traffic volume studies, O-D studies and traffic capacity studies;
(ix) RGC & Steet Design:
Methods of design, design of singly and doubly reinforced sections, rectangular and Tee beams, shear, torsion and development length, footings one- and two-way slabs, short and long column. Design of riveted, bolted and welded connections, tension and compression members, splicing and lacing, Beam column connection, roof trusses.
(x) Environmental Engineering:
Estimation of quantity of water, per capita demand, population forecasting, water quality parameters, treatment of water, distribution system, Estimation of quantity of sewage, dry weather flow and storm runoff, sewer appurtenances, characteristics of sewage, treatment and disposal of sewage, sludge digestion.
(xi) Estimating costing and valuation:
Estimate, glossary of technical terms, analysis of rates, methods and unit of measurement, item of works.earthwork, Brickwork (Modular & traditional bricks), RCC work, shuttering. Timber work, Painting, flooring and plastering, Boundary wall, Erick building, Water tank, septic tank. Bar bending schedule, Centre line method. Mid-section formula. Trapezoidal formula, Simpson’s rule. Cost estimate of Septic tank, flexible pavements and Measurement book.
Important Instructions of Question Paper
Candidates should read the undermentioned instructions carefully. Violation of any of the instructions may lead to penalty.
DON’TS:
1. Do not write your Name or Roll number or Serial No. of Question-Cum-Answer-Booklet anywhere inside this Booklet. Do not sign the “Letter Writing” questions, if set in any paper by name, nor append your roll number to it.
2. Do not write anything other than the actual answers to the questions anywhere inside your Question-Cum-Answer-Booklet.
3. Do not tear off any leaves from your Question-Cum-Answer-Booklet. If you find any page missing, do not fail to Notify the Supervisor/Invigilator.
4. Do not write anything on the Question Paper available in detachable form or admission certificate. Write answers at the specified space only.
5. Do not leave behind your Question-Cum-Answer-Booklet on your table unattended. It should be handed over to the Invigilator after conclusion of the exam .
DO’S:
1. Read the instructions on the cover page and the specific instructions to this Question Paper mentioned on the n,ext page of this Booklet carefully and strictly follow them.
2. Write your Roll number and other particulars, in the space provided on the cover page of the Question-Cum-Answer-Booklet.
3. Write legibly and neatly in ink. Pencil may be used for drawing diagrams, sketches, etc.
4. For rough work, blank pages provided at the end of this booklet should be used. The rough work should be crossed through afterwards.
5. If you wish to cancel any work, draw your pen through it or write “Cancelled” across it, otherwise it may be valued.
6. Hand over your Question-Cum-Answer-Booklet personally to the invigilator before leaving the examination hall.
Question Paper Specific Instructions :
Please read each of the following instructions carefully before attempting questions:
** All questions are to be attempted.
** The number of marks carried by a question is indicated against it.
** Answers must be written in ENGLISH only.
** Word limit in questions, wherever specified, should be adhered to.
** Any page or portion ·of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.
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