Vskills has developed a new strategic framework for Skill Development for early school leavers and existing workers, especially in the unorganized sector to improve their employability called Trade Employable Skills (TES).

Trade Employable Skills does effective assessment and certification of candidates in different trade disciplines like Electrical, Electronics, Agriculture, Chemical, Automobile, IT, etc to make them job ready.

Why should one take this certification?

To demonstrate clear understanding and practical aspects and to get a visible recognition for this knowledge.

Table of Content


Practice Test


Companies that hire Chemical Plant Junior Operator

All small and medium companies need certified employees who have the requisite skills. There are more jobs opening up in the economy on a regular basis with the fast growth of the country.

Apply for Certification

By Net banking / Credit Card/Debit Card

We accept Visa/Master/Amex cards and all Indian Banks Debit Cards. There is no need to fill application form in case you are paying online.

Please click buy now to proceed for online payments.



G.I. pipes

  • G.I.pipe
  • Grades
  • Advantages of G.I.pipes
  • Disadvantages

Cut G.I. pipe using pipe cutter

  • Cut pipe using a hacksaw and benchvice
  • Plumbing tools – Pipe wrench and chain pipe wrench
  • Pipe wrenches
  • Parts
  • Care and maintenance
  • Chain pipe wrench

Bending pipes

  • Pipes and pipe fittings
  • Standard pipe fitting
  • Elbows
  • Tee branch
  • Reducing tee branch
  • Concentric reducer
  • Caps
  • Plug
  • Coupling
  • Reducer
  • Union
  • Pipe nipples
  • The hexagonal nut

Pipe joints

  • Socket and spigot joint
  • Expansion joint
  • Flanged joint
  • Flexible joint
  • Screwed joint
  • Collar joint

Flange joints

  • Flange joints


  • Introduction to spanners

PVC pipes

  • PVC pipes
  • Advantages
  • Disadvantages
  • Types of PVC pipes
  • Uses

Flaring tools and their functions

  • Flaring tool with yoke
  • Tube cutter
  • Pipe bending tool
  • Swaging tools
  • Pinching tools
  • Pressure gauges
  • Compound gauge
  • Leak defects
  • Soap bubble method
  • Halide torch method
  • Electronic detector
  • Types of tubing
  • Soft copper tubing
  • Hard drawn copper tubing
  • Steel tubing
  • Plastic tubing
  • Flexible tubing
  • Tube cutting
  • Bending tubing

Flaring, Unit Operations and Process

  • Flaring necessity
  • Types of flaring
  • Single thickness flare
  • Double thickness flare
  • Flared tubing fittings
  • Pressurizing the joint on tubing


  • Brazing
  • Different kinds of brazing joints
  • DIP brazing
  • Furnaces brazing
  • Torch brazing
  • Electric brazing
  • Advantage of brazing
  • PVC pipes
  • Hot gas welding of PVC pipes
  • Important points to be observed during welding


  • Iron ore
  • Coke
  • Flux


  • Pressure units and types of pressure
  • Venture Flow Meter
  • Orifice Type Flow meter
  • Rotameter
  • V notch
  • Non-return valve/check valve
  • Non-return valve

Needle valve

  • Needle valve
  • Plug-cocks

Diaphragm valve

  • Stop cock
  • Stopcock


  • Gate-valve
  • Parts of a gate-valve

Butterfly valve

  • Glass wool and Thermocol
  • Insulating materials

Centrifugal Punps

  • Centrifugal pumps
  • Mono-block pump
  • Booster pump
  • Air lift pump
  • Submersible pump

Gear pump

  • Introduction of unit operation
  • Introduction to unit processing
  • Transportation of Fluid
  • Pipe and Tubing

Plant utility

  • Brine
  • Nitrogen
  • Instrument Air
  • Vacuum
  • Vacuum pump


  • Cooling towers
  • Compressor
  • Ejector
  • Steam and chilled water
  • Distillation
  • Distillation
  • Rectification
  • Stripping
  • Reflux ratio
  • Types of distillation
  • Distillation of Petroleum

Manufacturing of Urea

  • Extraction, Leaching and Absorption
  • Extraction
  • Applications
  • Leaching
  • Application
  • Absorption
  • Applications

Mechanical separation, heat and mass transfer

  • Heat transfer
  • Typical examples are
  • Mass transfer


  • Steam economy


  • Soap
  • Manufacturing of Nitric acid
  • Uses

Nitro benzene

  • Aspirin
  • Manufacturing of chlorine gas
  • Overall process
  • Mercury cell electrolysis
  • Diaphragm cell electrolysis
  • Membrane cell electrolysis
  • Other electrolyte processes
  • Other methods

Manufacturing of NaOH (Sodium hydroxide)

  • Uses
  • Other uses of sodium hydroxides

Manufacturing of sulphuric acid

“Exam scheduling to be done through user account” / “Exam once scheduled cannot be cancelled”
Date of Examination
Examination Time
01:00 PM - 02:00 PM
02:30 PM - 03:30 PM
04:00 PM - 05:00 PM
05:30 PM - 06:30 PM
10:00 AM - 11:00 AM
11:30 AM - 12:30 PM

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Tags: Chemical Plant, technician