Table of Content
 

The atmosphere of the institute
  • General rule of the institution
  • Roll of plumber
  • Plumbing operation
  • Fixing  of brackets
  • Fixing of sanitary appliances
  • Laying of pipe lines
  • Recreation, medical facilities and other extra- curricular activities of the institution

Importance of the safety and first aid

  • Importance of safety for Trainees
  • Basic rule for safety
  • Precaution to be taken against fire
  • First aid
  • Casuality
  • Respiration
  • Treatment of a burn
  • Incase of drowned
  • To stop the bleding
  • Foreign bodies
  • If you find someone who has stopped breathing’what can you do to save his/her life?
  • Mouth-to-mouth respiration
  • Precaution observed in the section
  • Describe while doing the plumbing work what are the preacaution should be followed

Different types of pipes and fittings used by plumber

  • Pipes
  • Gravity conduits
  • Pressure conduits
  • Pipe materials
  • Size of pipe
  • Various materials of pipes
  • Asbestos cement pipes
  • Castiron
  • Expansion joint
  • Belland spigot joint
  • Advantages of cast iron pipes
  • Disadvantage of cast iron pipe
  • Cement concrete Pipes
  • Advantage of cement concrete pipes
  • Copper pipes
  • Galvanised iron pipe
  • Lead pipe
  • Plastic pipes
  • Steel pipes
  • Advantages of steel pipes
  • Wrought iron pipe

Water meter

  • Water meter
  • Positive displacement type meter
  • The velocity meters
  • Requirments of good water meter

Different types of fittings

  • Galvanised iron(G1)
  • Diescribe type of G.i fittings
  • Cast iron fittings
  • PVC materials

Brazing

  • Brazing
  • Different of brazing joints
  • Advantage of brazing
  • PVC pipes
  • Hot gas welding of PVC pipes

Metals

  • Name the commonly used ferrous metal
  • Stats the main raw materials used for smelting of pig iron and their uses
  • Name the ores used producing pig iron
  • State the constructional feature of a blast furnace
  • State the properties and use of pig iron

Cast iron

  • Types of cast iron
  • Grey cast iron
  • White cast iron
  • Malleable cast iron
  • Nodular cast iron

Steel (Plain carbon steel)

  • State the composition and properties of plain carbon steel

Non –ferrous metal

  • Types of corrosion
  • Electochemical effects on metals
  • Types of corrosion not involving mechanical stress
  • Oiling and gressing

Drill

  • Flats or spade drill
  • Straight fluted drill
  • Twist drill
  • Points
  • Tang
  • Flutes
  • Shank
  • Land/margin
  • Body clearance
  • Web

Drill angles

  • Angles
  • Point Angle/Cutting Angle
  • Helix Angle
  • Rake Angle
  • Clearance Angle
  • Chisel Edge Angle/Web Angle
  • Designation of drill
  • Drilling defects and causes
  • Oversized holes
  • Overheated drills
  • Drilling machines (Portable type)
  • Electric hand drill
  • Pneumatic hand drill
  • Hand operated
  • Drilling machines
  • The sensitive bench drilling machine
  • Hand taps and wrenches
  • Tap drill size
  • What is tap drill size?
  • Die and die stock
  • Uses if dies
  • Types of dies
  • Circular Split Die/Button Die
  • Half Die
  • Adjustable Screw Plate Die
  • Drill bits – Types and sizes
  • Types of drill bits
  • Parts of a twist drill
  • Parts of flat drill

Terms used in house drainage

  • Cowl
  • Anti-siphonage pipe
  • Fresh air inlet
  • Siphonage
  • Types of water tank
  • Soil pipe
  • Waste pipe
  • Vent pipe
  • Elevated reservoirs
  • R.C.C water Tank
  • Installation and fittings
  • Manhole lid
  • Steel tank
  • Sump
  • Different types of water distribution system
  • Source of water
  • Drawl of water from river bed
  • Infiltration galleries
  • Infiltration wells
  • Tree or dead ends system
  • Circle or ring system
  • Grind iron system
  • Radial system
  • Gravity system
  • Pumping system
  • Dual system
  • System of plumbing
  • Single stack system in house plumbing
  • One – pipe system
  • One – pipe system partially ventilated
  • Layout soil pipes and waste pipe in the sanitary fittings

Types of traps

  • Trap
  • Function of trap
  • Requirement of a good trap
  • Trap are classified into two
  • According to the shape of traps
  • 2 Q-Trap
  • 3 S-Trap
  • According to the use of traps
  • 1 Floor trap or Nahni trap
  • 2 Gully trap
  • 3 Intercepting trap (or) interceptor
  • Anti-D Trap

PVC pipes

  • PVC pipes
  • Advantages
  • Disadvantages
  • PVC Pipe fitting
  • Unplasticized polyvinyl chloride
  • Type A
  • Type B
  • Ring seal joints
  • Solvent cement joint

Pipe fitting specification and identification

  • Unions
  • Nipples
  • Close nipple
  • Short nipple
  • Long nipple
  • Elbow(F)
  • Elbow M+F
  • Elbow 45 or spring (F+F)
  • Bend (F+F)
  • Hexagon nipple
  • Coupling
  • Bushings
  • Bend 45 (F+F)
  • Bend(M+F)
  • Bend 45 (M+F)
  • Union elbow
  • Tee
  • Crosses
  • Reducing socket
  • Types of pipe plugs
  • Caps
  • Special union elbow and tee
  • Offsets

Types of PVC joints and their uses

  • Union
  • Socket
  • Elbow
  • Bend
  • Tee
  • Cross Tee
  • Reducer
  • Barrel nipple
  • Double
  • Plug

Different types of valves

  • 1 Air (or) relief valve
  • Working of air valve
  • 2 Reflex valves (or) Check valves (or) Non-return valves
  • Uses
  • 3 Relief valve (or) Safety valve (or) Automatic cut off valve
  • 4 Sluice valve (or) Gate valve (or) Shut-off valve(or) stop valve
  • 5 Scour valves (or) Blow-off valves (or) Washout valves
  • 6 Stop cocks
  • 7 Bib cock
  • Repair of water supply fittings – Bibcock
  • Repair of water supply fitting-Stopcock
  • Repair of Water supply fitting-Gate valve
  • Repair of water supply fitting-Flushing cistern and float valve
  • Gate-valve
  • Non-return valve/check valve
  • Non-return valve
  • Globe valve – Parts – Advantages
  • Reseating tool
  • Valves and flange joints
  • Flange joints
  • Valves
  • Gate-valve
  • Globe valve
  • Needle valve
  • Plug-cocks
  • Non-return valve
  • Ball check-valves
  • Relief valves
  • Stopcock

Different types of sanitary fittings in house drainage

  • Water closest
  • 1) Indian type water closet
  • 2 European type water closet (or) commode type closet
  • The requirements of good type of water closet
  • Flushingcisterns
  • Functioning
  • Toilet paper holder
  • Washbasic
  • Waste fittings
  • Towel rail
  • Shelf
  • Mirror
  • Pillar taps
  • Sinks
  • Drainboard
  • Urinals
  • Senso type urinals
  • Water less urinals
  • Flate back/corner urinals
  • Stall urinalhalf
  • Half stall urinal
  • Squalt inplate urinal
  • Bathtubs
  • Taps

Bidets

  • Bidet (FIG 1)

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