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Old May 26th, 2014, 12:57 PM
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Join Date: Dec 2012

Will you please give me some good tips for the preraration of the Orissa Civil Services Preliminary Examination (O.A.S exam)????

Here I am suggesting few OAS exam preparing tips which you are looking for .

Time management: the key to success
Get familiar with the pattern
Be thorough with the fundamentals and adopt the right strategy
Study and practice everyday
Focus on your strengths
Stay very energetic and motivated
Be disciplined
Join a good coaching institute if necessary
Eat healthy and exercise
Stay calm and meditate

Syllabi for the Odisha Civil Services (Preliminary) Examination.

The Preliminary Examination constitutes questions from following topics :

General Science

Current events and developments of national and international importance.

History of India and Indian National Movement.

Indian and World Geography

Indian Polity and Economy.

General Mental Ability

Part – A
1. Surveying: Chain survey, compass survey, plane table survey, contour survey,
estimation of area and volume of earth work.
2. Fluid mechanics: Fluid properties, types of flow and their properties, forces on plane
and curved surfaces, stability of floating and submerged bodies, importance of Reynold’s
number, Froude number in fluid flow phenomena, Chezy’s and Manning formula in
design of flow channels.
3. Irrigation: Importance of irrigation in agriculture, soil-water-plant relationship,
estimation of irrigation requirement of crops, irrigation efficiencies, types of irrigation,
irrigation scheduling and on-farm-water management, types of pumps for irrigation and
their criteria for selection, concept of participatory irrigation management and its
advantages over traditional system.
4 Drainage: Drainage needs for crop production, types of drainage systems – surface
drainage, subsurface drainage, vertical drainage and bio-drainage, laying of drainage
system in cropped field, hydraulic conductivity and its measurement for drainage
5. Surface hydrology : Hydrologic cycle, measurements of rainfall, evaporation
and infiltration, estimation of runoff and factors affecting runoff. Basic, unit and complex
hydrograph and their properties.
6. Ground water Hydrology: Occurrence of ground water and its movement, geologic
formations and their properties in relation to availability of ground water, ground water
investigation, ground water estimation and artificial recharge, types of wells and their
hydraulics, method of construction of different types of wells including well
development, augmentation of well yield, factors affecting drawdown in wells, quality of
ground water for irrigation.
7. Soil erosion and biological control measures: Importance of soil conservation in
crop production, problems of soil erosion in Orissa, types of soil erosion and their control
– biological control like contour farming, strip cropping, buffer strip cropping, inter
cropping, mulching.
8. Soil erosion by mechanical control measures: Mechanical control measures like
contour bunding, graded bunding, bench terracing under different land situation. Gully
control measures, vegetated water ways.
9. Watershed management: Importance of watershed management in rainfed and dry
land areas, prioritization of watershed for treatment, land capability classification and
crop planning in watersheds, water harvesting and recycling for crop production.
10. Farm structures : Planning of farmstead, farm house, farm road, farm
fencing, farm gate, dairy farm, poultry house.
Part - B
1. Different sources of Farm power:- Human and Animal power, Mechanical
power, Electrical power, power from water. Different types of engines and engine parts.
2. Renewable sources of energy:- Energy from biomass, wind energy, types of
wind mills & rotors, solar energy, geothermal, ocean thermal, tidal and wave energy,
photovoltaic cells, Solar cookers, solar collectors and solar dryers.
3. Non renewable sources of energy :- Energy from petroleum fuels, coal, natural
gas etc.
4. Land preparation equipments :- Tillage & tilth, Primary tillage and primary
tillage tools, secondary, tillage and secondary tillage tools, land levellers and graders,
earth moving equipment and bulldozers.
5. Puddling :- D e finition of puddling, objectives of puddling, puddling index,
methods of puddling and types of puddlers.
6. Seed drills and planters :- Difference between broad casting, seed drilling and
planting types of seed drills and planters. Planting methods, calibration of seed drills and
planters. Types of metering devices.
7. Manure and fertilizer application: Types and methods of application of
manures and fertilizers. Types of manure and fertilizer application, metering devices.
8. Plant protection equipments : Different types of sprayers and dusters, spray
patterm, MMD and VMD. Different types of dusters.
9. Harvesting : Different types of sickles, mowers, reapers and combines, different
losses in combine, root crop and fruit crop harvesting equipments, threshing and
winnowing methods, different types of threshers and winnowers.
10. Grading and transportation : Purpose of grading, different types of graders,
grading methods, value addition, bullock cart, tractor and power tillers with trolley.
Part - C
1. Psychometrics : Different terminology in psychometrics and its relevance to
agricultural products and its processing.
2. Moisture Content: Importance of moisture content. Various methods of determination
of moisture contents in cereals, pulses, oil seeds.
3. Drying : Drying of cereals, pulses, oil seeds, methods of drying and types of dryers
and fuels used for dryers. Design of dryer.
4. Grain Processing: Unit operations, processing of cereals, oil seeds and pulses,
working principles of equipments for milling, mixing, cleaning and grading.
5. Storage of Grains: Storage parameters for grains. Different types of storage
structures and material used for same.
6. Processing of fruits & vegetables: Properties of fruits and vegetables, process
parameters and equipments for sorting, washing, handling, pealing, slicing, blanching,
mixing and handling, chilling, packaging, transportation, storage and preservation.
7. Dairy Engineering :Various dairy and food processing systems, working principle
of equipments for receiving milk, pasteurization, sterilization, homogenization, bottle
filling, butter manufacturing. Evaporation, drying, freezing.
8. By-product utilization : Properties of husk from rice and its utilization for fuel and
manufacturing of other items. Utilization of other by-products from coconut, groundnut,
cashew nut, sugarcane and fruits and vegetables etc.
9. Process equipment Design : Design parameters, codes and material selection. Design
of handling and milling equipments, dryers, heat exchangers, pressure vessels.
10 Food science: Major nutrients serving as food for living cells, Biochemical changes
during ripening and storage of fruits, grains, milk and milk products. Types of micro
organisms – Algae, fungi, bacteria and viruses. Multiplication of bacteria, control of
bacterial growth, pathogenic bacteria, food contaminations.

For detailed syllabus , here is the attachment
Attached Files Available for Download
File Type: pdf Odisha Civil Services Main Examination syllabus.pdf (391.9 KB, 463 views)
File Type: pdf Odisha Civil Services Preliminary Examination Syllabus.pdf (215.1 KB, 619 views)

Last edited by Aakashd; May 23rd, 2019 at 11:54 AM.
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Old May 27th, 2014, 10:03 AM
Super Moderator
Join Date: May 2011
Default Re: Tips for preparing for O.A.S exam

In the order to crack the Orissa Civil Services Preliminary Examination (O.A.S exam) you should start your preparation as earlier as you can. Try to solve previous year question paper; it will give you a basic idea about the paper pattern. Here I am giving you some tips which will help you in cracking the exam:

You should understand the paper pattern thoroughly.
Read any new material
Practice as many sample papers/previous year papers as you can
Start preparing much before time.
Be mentally calm.
You should study regularly throughout the year.
You have to prepare yourself well in advance.
Be focused and determined.
Answered By StudyChaCha Member
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