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The filter over which sewage is sprinkled is called as?

LohaHridoy
  1. Trickling filter
  2. Percolating filter
  3. Contact bed
  4. Intermittent sand filter

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1 Answers

AhmedNazir

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Answer: Option 1

A trickling filter, also known as percolating filter, is an artificial bed of stone or broken brick material over which waste water or sewage is allowed to sprinkle or to trickle. It is then collected through the under drainage system.

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What is the colour of the fresh grass Statements : I. Blue is called green, red is called orange, orange is called yellow. II. Yellow is called white, white is called black, green is called brown and brown is called purple.?

Answer: Option 2 The colour of fresh grass is 'green' and as given in II, 'green' is called 'brown'. So, the colour of fresh grass is 'brown'.

1 Answers 1 views
If LIGHT is called MORNING, MORNING is called DARK, DARK is called NIGHT, NIGHT is called SUNSHINE and SUNSHINE is called DUSK, when do we sleep ?

Answer: Option 3 We sleep at Night and Night is called Sunshine. So, we sleep in Sunshine.

1 Answers 1 views
When hot-water is sprinkled on a hotter glass tumbler, it breaks because?

Answer: Option 2 If the poured liquid is relatively hotter or colder in comparison to the tumbler, it will break. When hot water is poured into a tumbler there is...

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If Dust is called Air, Air is called Fire, Fire is called Water, Water is called Colour, Colour is called Rain and Rain is called Dust, where do Fish live ?

Answer: Option 3 Generally, Fishes lives in Water and Water is called Colour in the code. So Fishes live in Colour.

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The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size )?

Answer: Option 1 Let'

1 Answers 1 views
Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm c) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ).?

Answer: Option 2 Let'

1 Answers 1 views
If Football is called Cricket, Cricket is called Basketball, Basketball is called Badminton, Badminton is called Volleyball, Volleyball is called Hockey and Hockey is called Golf, then which of the following games is not played using a ball?

Answer: Option 1 Badminton is played without any ball and in the question Badminton is called Volleyball.

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Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is?

Answer: Option 1 Let'

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The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria.?

Answer: Option 3 Let'

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Which one of the following filter is used to filter several variables with the same or different filters?

Answer: Option 1 Let'

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