Description : According to Central Pollution Control board (CPCB). Which particulate size in diameter (in micrometers) of the air pollutants is responsible for grea
Last Answer : According to Central Pollution Control board (CPCB). Which particulate size in diameter (in micrometers) of the air ... . 2.5 or less D. 1.5 or less
Description : Electro-static precipitator is used to control – (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants
Last Answer : (4) Air Pollutants Explanation: An Electrostatic precipitator is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an induced electrostatic charge. ... and can easily remove fine particulate matter such as dust and smoke from the air stream.
Description : According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health? (a) 1.0 or less (b) 5.2 - 2.5 (c) 2.5 or less (d) 1.5 or less
Last Answer : (c) 2.5 or less
Description : National AQI published by Central Pollution Control Board (CPCB) considers concentration of how many pollutants for determining the index: a. Five b. Eight c. Six d. Twelve
Last Answer : b. Eight
Description : Electro-static precipitator is used to control (1) Chemical Pollutants (2) Radio-active Pollutants (3) Water Pollutants (4) Air Pollutants
Last Answer : Air Pollutants
Description : What are the important air pollutants? -Geography
Last Answer : The important air pollutants are carbon dioxide, carbon monoxide, sulphur dioxide, nitrogen oxide, chloroflaoro carbons, hydro carbons etc.
Description : What are the effects of soil pollutants? -Geography
Last Answer : The effects of soil pollutants are it decreases the fertility of the soil, converts the region into wasteland, destroys the micro organisms in the soil etc.
Description : Examples of pollutants. -Biology
Last Answer : answer:
Description : Examples of biodegradable pollutants? -Biology
Description : What are the types of air pollutants? -Biology
Description : What are biodegradable pollutants? -Biology
Description : What are non biodegradable pollutants? -Biology
Description : What are primary pollutants? -Biology
Description : What are secondary pollutants? -Biology
Description : what are two pollutants sometimes found in shower water mist that is damaging to inhale?
Last Answer : Radon and gasoline
Description : Examples of secondary air pollutants is/are:
Last Answer : Examples of secondary air pollutants is/are: A. Smog B. PAN C. CFCs D. All the above
Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants
Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong
Description : Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) Anthropogenic air pollutants are
Last Answer : Which of the following statements are correct ? (i) Benzene hexachloride (BHC) is a non-biodegradable pollutant. (ii) ... b B. a,c C. b,c D. c,d
Description : Which is not an air pollutants ?
Last Answer : Which is not an air pollutants ? A. Phosphate B. Hydrocarbons C. Carbon monoxide D. All of the above
Description : One of the following acts as secondary pollutants
Last Answer : One of the following acts as secondary pollutants A. Br B. `NO_(2)` C. `HNO_(3)` D. `Cl_(2)`
Description : Gaseous pollutants can be controlled by:
Last Answer : Gaseous pollutants can be controlled by: A. Adsorption B. ESP C. Arrestors D. Purolysis
Description : Which one of the following statements pertaining to pollutants is correct?
Last Answer : Which one of the following statements pertaining to pollutants is correct? A. DDT is nonbiodegradable ... in water may causes "itai itai" disease.
Description : The soil pollutants that affects the food chain and food web by killing microorganisms and plants are:
Last Answer : The soil pollutants that affects the food chain and food web by killing microorganisms and plants ... . Agricultural wastes C. Pesticides D. Pathogens
Description : In indian metropolitan cities like Delhi major air pollutants is
Last Answer : In indian metropolitan cities like Delhi major air pollutants is A. SPM B. `SO_(2)` C. `NO_(2)` D. CO and `CO_(2)`
Description : The pollutants released by jet planes are :
Last Answer : The pollutants released by jet planes are : A. Fog B. Aerosol C. Smog D. Colloid.
Description : Among pollutants which has the most lasting effect
Last Answer : Among pollutants which has the most lasting effect A. Carbon monoxide B. Pesticides C. Sulphur dioxide D. Smoke from chimneys.
Description : Most harmful type of environmental pollutants are
Last Answer : Most harmful type of environmental pollutants are A. Human organic wastes B. Natural nutrients ... . Waste animal feed D. Nonbiodegradable chemicals.
Description : Oxides of sulphur and nitrogen are important pollutants of :
Last Answer : Oxides of sulphur and nitrogen are important pollutants of : A. Water B. air C. Soil D. All of the above
Description : Biodegradable pollutants is
Last Answer : Biodegradable pollutants is A. Plastic B. Asbestos C. Sewage D. Mercury
Description : Air pollutants that produce photochemical oxidants include
Last Answer : Air pollutants that produce photochemical oxidants include A. `CO_(2)`, CO and `SO_(2)` B. ... nitric acid D. ozone, chlorine and sulphur dioxide.
Description : Burning of fossil fuels is the main source of which of the following pollutants?
Last Answer : Burning of fossil fuels is the main source of which of the following pollutants? A. Nitrogen oxide B. nitric acid C. nitrous oxide D. sulphur dioxide
Description : Two components of automobile exhausts, which can interact to produce secondary pollutants are
Last Answer : Two components of automobile exhausts, which can interact to produce secondary pollutants are A. ... sulphur dioxide D. Sulphur and nitrogen oxides.
Description : Detergents are water pollutants because they contains
Last Answer : Detergents are water pollutants because they contains A. Suphates B. Nitrates C. Carbonates D. Phosphates
Description : After thermal inversion, pollutants pile up in
Last Answer : After thermal inversion, pollutants pile up in A. Hanging cool air B. Hanging warm air C. At the boundary of cool and warm airs D. Soil
Description : A pollutants that causes irritation in eyes, throat and nose
Last Answer : A pollutants that causes irritation in eyes, throat and nose A. CO B. `SO_(2)` C. `CH_(4)` D. Chlorofluorocarbons.
Description : A primary air pollutants is
Last Answer : A primary air pollutants is A. `CH_(4)` B. `H_(2)S` C. CO D. All the above
Description : Primary pollutants is the one, which
Last Answer : Primary pollutants is the one, which A. Enters enviroment directly B. Is formed naturally C. ... or more pollutants components D. Is anthropogenic .
Description : Non-biodegradable pollutants are extremly harmful because they
Last Answer : Non-biodegradable pollutants are extremly harmful because they A. Undergo biomagnification B. Remain in position ... not get recycled D. Both B and C
Description : Jet aeroplanes releases pollutants in air called
Last Answer : Jet aeroplanes releases pollutants in air called A. smog B. photo-chemical oxidants C. Aerosols D. Algae and bacteria.
Description : Electrostatic precipitators are employed to remove particulate pollutants of the size of
Last Answer : Electrostatic precipitators are employed to remove particulate pollutants of the size of A. `5-20 mum ` B. `20 - ... mum` and larger D. `0.5-5.0 mum`.
Description : Pollutants likely to deplete ozone layers is
Last Answer : Pollutants likely to deplete ozone layers is A. CO B. nitrogen oxides C. Chloroflurocarbons D. Both B and C