STP & ETP

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  STP     Sewage treatment platn (residential & commercial) ETP     Effluent treatment plant (industry) COD     Chemical oxygen demand (soluble & insoluble organic compound) (2hr to 3hr) (mg/l) BOD     Biochemical oxygen demand (organic compound) (3days to 5days) (mg/l) KEY POINTS: Outlet of STP 50mg/l Biproduct of anaerobic digestion is H2S & NH3 To reduce stink smell use ozone 

MICROWAVE OVEN

 MICROWAVE OVEN





The major component present in the microwave oven are:

  • Transformer 200/2000V
  • HV Capacitor
  • HV Diode
  • Magnetron
  • Fuse

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