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International Biological Laboratories was established in the year 1958 to research, manufacture export various science and educational requisites for schools, colleges and international market and under the trademark Interlabs. Now this is the third generation and Interlabs is a modern organization with latest technology and efficient policies.

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At Interlabs
The People Never Stop at Innovating

Under One Roof: A to Z for Schools, Laboratories, Hospitals, Clinics, Engineering, Polytechnic and Vocational Training.



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Steam Power Section

Cochran Boiler, Babcock Wilcox Boiler, Lancashire Boiler, Loco Type Boiler, Benson Boiler, Cornish Boiler,La-Mont Boiler, Velox Boiler, Pressure Gauge, Water Level Indicator, Steam Stop Valve, Feed Check Valve, Blow Off Cock, Dead Weight Safety Valve,Lever Safety Valve, High Steam Low Water Safety Valve, Fusible Plug, Green's Economizer, Super Heater, Air Preheater, Surface Condenser, Steam Trap, Water Feed Pump, Separating & Throttling Calorimeter,Single Stage Impulse Turbine, Jet Condenser, Two Stage Reciprocating Compressor


Production Technology Section

Tool Geometry I, II ,Types of Milling Cutters, Milling Operation-I,II, Elements of Jig & Fixture-I, II, Types of Clamp & Locator,Press Tools, Center Lathe, Dividing Head, Tool Force Dynamometer, Details of Center Lathe, Turret Lathe, Shaping Machine (Construction), Hydraulic Shaper Mechanism, Milling Machine (Type/Construction), Gear Cutting Processes, Grinding Machine , Jig Boring Machine, Lathe Tail Stock, Drill Sleeve & Socket, Radial Drill machine, Vertical Drill machine


Welding Technology Section

Weld Symbols I,II, Fabrication, Welding Tools & Equipment, Electric Resistance Welding, Submerged Arc Welding, Spot Welding, Seam Welding, Flash Welding, Types of Welding Torch, Types of Flame, MIG Welding, TIG Welding,Laser Beam Welding, Plasma Arc Welding, OXY-Acetylene Torch, Welding Tools, Types of Welded Joints,, Kinds of Weld, Oxyacetylene Welding Equipment, Water to Carbide Acetylene Generator, Electrode, Defects in Welding, Welding Techniques, Welding Test, Pipe Welding, Gas Welding, Arc Welding, Welding Machines, Metal Cutting, Safety- I, Safety-II


Foundry Technology Section

Hand Tools used for Foundry, Special Casting Methods, Forging Equipment & Operations, Types of Core, Molding Hand Tools, Pit Furnace, Ladle, Melting Points, Speedy Moisture Tester, Permeability Meter, Universal Strength Testing Machine, Sand Rammer, Separate The Remaining Clay From The Sand, Core And Mould Hardness Tester Cupola Furnace, Blast furnace.


Soil Mechanical

Coefficient of Permeability, Standard Proctor Compaction Test, Shrinkage Limit, Direct Shear Test, Liquid Limit, Triaxial Shear Test.


Thermodynamic Section

Compression Ignition (2 Stroke/4 Stroke), ,Type of Battery Ignition System, Type of Magneto Ignition System, Type of Fuel Pump ,Electric Fuel Pump, Fuel Injection System (Mechanical), Fuel Injection System (Air Supply), Solex Carburetors, S.U. Carburetors, Types of Lubricator- I, II, Bomb Calorimeter, Centrifugal Compressor, Axial Flow Compressor, Orsat Apparatus, Red Woods Viscometer, Flash & Fire Point Apparatus, Parallel Flow Jet Condenser, T-H-S Chart, Mollier Chart, Distributor, Simple Two Stroke Diesel Engine, Fuel Supply System of Petrol Engine, Spark Plug, Piston & Piston Ring, Single Plate Clutch, Action Of Differential, Hydraulic Brake System, Engine Cooling System,.


Automobile Engineering Section

Multi Cylinder Petrol Engine, Multi Cylinder Diesel Engine , Types of Air Filter, Fluid Friction Clutch,Electro-Magnetic Clutch, Principle of Centrifugal Clutch, Multiple Plate Clutch, Diaphragm Spring Clutch, Single Plate Clutch, Internal Expanding Brake System, Disc Brake, Master Cylinder, Power Operated Brakes, Duel Power Operated Brake System,Differential, Sliding Mesh Gear Box, Constant Mesh Gear Box, Synchromesh Device, Epicyclic Gear Box, r, Automatic Gear Box, Details of Generator Cum Alternator, Power Transmission Line Layout, Cross Section View of Battery, Spark Plug, Tire Wear Chart, Starter Assembly, Types of Fuel Filter, Sectioned Six Cylinder Car Engine, Truck / Bus (Diesel Type) Cut Sectional View, Truck / Bus (Diesel Type) Cut Sectional View, Radiators, Fans, Shock Absorber,Types of Lubricating Pump, Wankel Engine, The Car.


Refrigeration & Air Conditioning Section

Vapor Compression Refrigeration, Electrolux Refrigerator, Adiabatic Demagnetization , Air Conditioning Controls Psychometric Charts, Freon- P-H- Charts, Cold Storage, Water Cooler, Domestic Refrigerator (Working Principle), Evaporating Cooling, Constant Pressure Expansion Valve, Thermostatic Expansion Valve, Refrigeration Chart, Electric Controls In Refrigeration-I, Air & Water Heat Pump, High & Low Side Refrigeration System,Hermetic Sealed Compressor


Heat Transfer Section

Thermal Conductivity of Insulating Powder, Two Slab Guarded Hot Plate Apparatus, Heat Transfer in Natural Convection, Heat Transfer in Forced convection, Stefan Boltzman Apparatus, Types of Heat Exchanger, Shell & Tube Heat Exchanger, Thermal Conductivity of Metal Bar, Heat Transfer in Condensation, Parallel Flow Heat Exchanger, Counter Flow Heat Exchanger, Cross-Flow Heat Exchanger, Double Pipe Heat Exchanger, Plate Type Heat Exchanger, Radiation Heat Transfer,


Metallurgy Section

Optical Pyrometer, Thermocouple Applications,Common Crystal Structure, Iron Carbon Diagram, Steel Structure, Cupola Furnace, Grain Size, T-T-T- Diagram, Cu-Zn Diagram, Cu-Sn Diagram, Precipitation Hardening, Non Destructive Tests,Hardness Conversion Table, Jominy End Quench Test, Cu-Aluminum Phase Diagram (Cu-Rich), Al-Alloys Phase Diagram (Al-rich)-I,


Metrology Quality Control

Vernier Caliper, Height Gauge, Methods of Measurement, Surface Plates, Beam Comparator, Universal Surface Gauge, Engineer's Square, Inside Micrometer, External Micrometer, Slip Gauges, Types of FitI, Plain Plug Plain Ring Gauges, Snap Gauges, Limit Gauges, Michelson Interferometer, Optical Bevel Protractor, Uses of Sine Bar, Angle Decker, Dial Gauge Applications,Thread Gauges, Quality Control Chart, Gear Tooth Vernier Caliper


Hydraulics & Pneumatics ( Hydraulics )

Flow Control In Hydraulic Circuits-I, II, III, IV, Pressure Control in Hydraulic Circuits-I,II, III, IV, Direction Control in Hydraulic Circuits-I, II, III, IV, Regulator, Lubricator, Single Acting Cylinder, Double Acting Cylinder, Types of Double Acting Cylinder, Air Motor, Pneumatic Tools, Directional Control Valve, Quick Exhaust Valve, Solenoid Valve


Hydraulic Mechanics And Fluid Mechanics

Hydro Electric Plant Layout, Pelton Wheel, Francis Turbine, Kaplan Turbine ,Governing Mechanism of Reaction Turbine, Governing Mechanism of Pelton Turbine (Impulse), Hydraulic Intensifier, Hydraulic Ram, Type of Impellers for Centrifugal pump, Water Wheels, Fluid Torque Convertor, Pumps, Calibrating of Notch, Friction in Pipes, Pipe Set up Series & Parallel, Joule’s Experiment, Froude Hydraulic Accumulator (Different Type), Centrifugal Pump, Reciprocating Pump, Fluid Coupling, Air Blowers, Calibrating of Orifice Plate Steady/Unsteady Flow, Calibration of Vanturimeter, Moody Diagram, Axial Flow Pump.


Engineering Drawing

Conventional Representation of Lines / Materials, Methods of Projection, Dimensioning-I,II, Orthographic Projection-I,II, Section Planes, Rivets and riveted Joints, Main Thread Forms, Types of Gears ,Couplings-I,II, Knuckle joint, Types of Keys, Pulleys-I, Pulleys-II, Bearings, Bolts and Washers, Types of Screw, Intersection of two Prisms, Intersection of a Prism and a Cone.



Carpentry Marking Tools, Carpentry Measuring Tools, Carpentry Saws, Carpentry Chisels, Carpentry Planes, Carpentry Braces, Carpentry Holding Tools, Hand Tools used in Carpentry, Carpentry Joints-I, II,Patterns-I,II.

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