Welcome to IRDT Uttarakhand E-Syllabus Web Portal

Duration : 03 Year
Eligibility : 10th with Science & Mathematics
Intake : 25/40/60(As approved by AICTE/State Govt.)
Pattern of the Examination : Semester System
Assessment Type : The assessment will we carry out through credit point system/Learning Based Out comes
Theory & Practical Ratio : 50: 50
Industrial Training: Included after IInd Semester
Ecology & Environment : As pe Government Directions a subject named Environmental Science & Energy Management has been included.
Entrepreneurship Development: A subject on Entrepreneurship Development has been incorporated after IInd Semester.
General Proficiency : A provision of 6 periods per week has been made. It Included of various cocurricular activities like games, hobby clubs, seminars, declamation contests, extension lectures, NCC, NSS, cultural activities and discipline etc.


Paper Code :
Paper Name :

Concept and role of unit operation in industries, force, pressure, work, power,


Size reduction, necessity of size reduction, principles of size reduction,

characteristics of size reduced/ comminuted product, expression for power

required by machines, Rittinger’s law, Kick’s law, Bond’s law and work index,

simple numerical problems.

Size reduction equipment:

Classification of size reduction equipment, general description of crushers: Jaw

crusher, Gyratory crusher, Roll crusher, Grinders: Hammer mill, Ball mill, critical

speed of Ball mill, difference in crushing and grinding, Equipment operation: (i)

Open circuit (ii) Closed circuit.

Characterization of solid particles, particle shape, sphericity, particle size, particle

size measurement by screen analysis, mesh, screen aperture or screen size

opening, differential and cumulative methods of analysis of particle size, specific

surface of mixture, average particle size, number of particles in a mixture.

Screen analysis: Tyler standard screen series (or US sieve series), screening, types

of screening equipment their construction, working, vibrating screens, Grizzlies

and Trommels, comparison of Grizzlies and Trommels.

Mechanical and pneumatic conveying equipment, classification of conveying

equipment, general construction, working and industrial application of Belt

conveyors, Chain conveyors, Bucket conveyors, Bucket elevators, Screw

conveyors, Pneumatic conveyors.

Filtration and sedimentation: define filtration, filter medium, characteristics of

filter medium, filtrate, filter aids, characteristics of filter aids.

Types of filtration: (i) cake filtration (ii) deep bed filtration

Classification of filter equipment: (i) clarifying filter (ii) cake filter. Clarifying filter- principle, construction, working and industrial application of pressure filters: plate and frame filter press, rotary drum filter, leaf filter, sand filter. Classifiers, thickeners, centrifugal filtration – centrifuge.

Utility of mixing, mixing equipment used for liquid-liquid, liquid-solid, liquid-gas systems, impellers, propellers, turbines, flow pattern in agitated vessels, vortex formation and its prevention.

Mechanical operation has significant importance in the area of chemical engineering. Adequate competency needs to be developed by giving sufficient practical knowledge in mechanical operation (characterization of solid particles, size reduction, energy requirement and mechanical separations) A field visit may be conducted to expose the working of various conveyors and filtration equipment in industries.

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