Smog is a combination of – (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Smog is a combination of – (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog
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(4) smoke and fog Explanation: The term "smog' was first used in London during the early 1900's to describe the combination of smoke and fog. What we typically call "smog" today is a mixture of pollutants but is primarily made up of groundlevel ozone.
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Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Description : Smog is a combination of (1) air and water vapour (2) water and smoke (3) fire and water (4) smoke and fog

Last Answer : smoke and fog

Smog is a combination of – (1) Air and water vapours (2) Water and smoke (3) Fire and water (4) Smoke and fog

Description : Smog is a combination of – (1) Air and water vapours (2) Water and smoke (3) Fire and water (4) Smoke and fog

Last Answer : (4) Smoke and fog Explanation: Smog is a type of air pollution; the word "smog" was coined in the early 20th century as a portmanteau of the words smoke and fog to refer to smoky ... amounts of coal within a city; this smog contains soot particulates from smoke, sulfur dioxide and other components.

Smog is (A) Nothing but black smoke (B) A combination of smoke and fog (C) A liquid particle resulting from vapor condensation (D) A solid particle e.g. fly-ash

Description : Smog is (A) Nothing but black smoke (B) A combination of smoke and fog (C) A liquid particle resulting from vapor condensation (D) A solid particle e.g. fly-ash

Last Answer : (B) A combination of smoke and fog

Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes (A) Poor visibility due to sky darkening (B) Irritation in eyes (C) Respiratory trouble (D) All (A), (B) and (C)

Description : Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby ... B) Irritation in eyes (C) Respiratory trouble (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Condensation is the reverse of – (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Description : Condensation is the reverse of – (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Last Answer : (1) Vaporization Explanation: Condensation is the change of physical state of matter from gaseous phase into liquid phase and is the reverse of vaporization. When the relative humidity reaches 100 per cent, the air is completely saturated. The air temperature is said to be as dew-point.

Which of the following does NOT form as a result o a low level temperature inversion? w) smog x) sleet y) tornado z) fog

Description : Which of the following does NOT form as a result o a low level temperature inversion? w) smog x) sleet y) tornado z) fog

Last Answer : ANSWER: Y -- TORNADO 

Condensation is the reverse of (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Description : Condensation is the reverse of (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Last Answer : Vaporization

Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists(B) Smoke & fumes(C) Photochemical smog & soot(D) None of these

Description : Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists (B) Smoke & fumes (C) Photochemical smog & soot (D) None of these

Last Answer : (D) None of these

Amount of water vapour in the atmosphere is measured in terms of – (1) Humidity (2) Droplets (3) Smog (4) All of the above

Description : Amount of water vapour in the atmosphere is measured in terms of – (1) Humidity (2) Droplets (3) Smog (4) All of the above

Last Answer : (1) Humidity Explanation: Humidity is the amount of water vapor in the air. Water vapor is the has phase of water and is invisible. Humidity indicates the likelihood of precipitation, dew, or ... of sweating in cooling the body by reducing the rate of evaporation of moisture from the skin.

Amount of water vapour in the atmosphere is measured in terms of (1) Humidity (2) Droplets (3) Smog (4) All of the above

Description : Amount of water vapour in the atmosphere is measured in terms of (1) Humidity (2) Droplets (3) Smog (4) All of the above

Last Answer : Humidity

Which of the following colour is least scattered by fog, dust or smoke : A. Violet B. Blue C. Red D. Yellow

Description : Which of the following colour is least scattered by fog, dust or smoke : A. Violet B. Blue C. Red D. Yellow

Last Answer : C. Red

Smog and Smoke

Description : Smog and Smoke

Last Answer : Smog - mixture of smoke and fog Smoke - visible vapor given off by burning material;

Differentiate between the following pairs a. periscope & pyrometer b. cell & battery c. perimeter & altimeter d. pelage and plumage e. smog and smoke

Description : Differentiate between the following pairs a. periscope & pyrometer b. cell & battery c. perimeter & altimeter d. pelage and plumage e. smog and smoke

Last Answer : a. periscope & pyrometer periscope is an optical instrument pyrometer is a meter used to measure high temperature b. cell & battery Cell is a small unit/device that delivers an electric ... visibility and is hazardous to health Smoke are the thin fine particles usually result from the combustion

Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Description : Natural sources of air pollution are – (1) Forest fires (2) Volcanic eruptions (3) Dust storm (4) Smoke from burning dry leaves

Last Answer : (2) Volcanic eruptions Explanation: Some of the natural sources of air pollution are ground dust, salt spray from oceans, volcanic eruptions, hydrogen sulfides from natural sources, etc. ... and ash from volcanic eruptions blacken the skies and increase the background pollution levels for years.

The capacity of the atmosphere to hold water vapour (a) Increases as the temperature increases (b) Decreases as the temperature increases (c) Increases as the temperature decreases (d) Decreases as the temperature decreases

Description : The capacity of the atmosphere to hold water vapour (a) Increases as the temperature increases (b) Decreases as the temperature increases (c) Increases as the temperature decreases (d) Decreases as the temperature decreases

Last Answer : Ans: (a)

When dew point la reached it is said that at that temperature (a) the atmosphere is said to be saturated with water vapour (b) the relative humidity of the atmosphere is 100% (c) the atmosphere can hold no more water vapour (d) All the above

Description : When dew point la reached it is said that at that temperature (a) the atmosphere is said to be saturated with water vapour (b) the relative humidity of the atmosphere is 100% (c) the atmosphere can hold no more water vapour (d) All the above

Last Answer : Ans: (a)

Which of the following asborbs part of the insolation and preserves earth's radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-dioxide

Description : Which of the following asborbs part of the insolation and preserves earth's radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-dioxide

Last Answer : (3) Water vapour Explanation: The amount of solar energy reaching the Earth is 70 percent. The surface of the Earth absorbs 51 percent of the insolation. Water vapor and dust account for ... directly to outer space). This radiant energy is re-radiated in the atmosphere horizontally and vertically.

A Mixture of dry air and water,the formation of fog starts when, A. air temperature is equal to the dew point temperature B. air temperature is greater than the dew point temperature C. both a. and b. D. none of the above

Description : A Mixture of dry air and water,the formation of fog starts when, A. air temperature is equal to the dew point temperature B. air temperature is greater than the dew point temperature C. both a. and b. D. none of the above

Last Answer : ANSWER : A

Cloud is a colloidal dispersion of (1) Air in a dispersion medium of water (2) Fog in a dispersion medium of water (3) Mist in a dispersion medium of air (4) Water drops in a dispersion medium of air

Description : Cloud is a colloidal dispersion of (1) Air in a dispersion medium of water (2) Fog in a dispersion medium of water (3) Mist in a dispersion medium of air (4) Water drops in a dispersion medium of air

Last Answer : Water drops in a dispersion medium of air

Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Description : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and dispersion medium, respectively is :

Last Answer : Among the colloids cheese (C), milk (M) and smoke (S), the correct combination of the dispered phase and ... , M : liquid in solid, S : solid in gas

Higher viscosity of lubricating oil usually signifies (A) Lower Reid vapour pressure (B) Higher acid number (C) Higher flash point and fire point (D) Lower flash point and fire point

Description : Higher viscosity of lubricating oil usually signifies (A) Lower Reid vapour pressure (B) Higher acid number (C) Higher flash point and fire point (D) Lower flash point and fire point

Last Answer : (C) Higher flash point and fire point

Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Description : Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Last Answer : ANSWER: Y -- ACID RAIN

What literary term is used in this quote Fair is foul and foul is fair. Hover through the fog and filthy air?

Description : What literary term is used in this quote Fair is foul and foul is fair. Hover through the fog and filthy air?

Last Answer : This type of phrase is a juxtapose - an idea that contradictsitself.

What literary term is used in this quote Fair is foul and foul is fair. Hover through the fog and filthy air?

Description : What literary term is used in this quote Fair is foul and foul is fair. Hover through the fog and filthy air?

Last Answer : This type of phrase is a juxtapose - an idea that contradictsitself.

What relationship would you expect to find between the air temperature and dewpoint temperature at ground level is the area is covered by fog?

Description : What relationship would you expect to find between the air temperature and dewpoint temperature at ground level is the area is covered by fog?

Last Answer : The relationship that you expect to find between the air temperature and dew point temperature at ground level if the area is covered by fog is the temperatures of th air and the dew point would be very close in value.

What relationship would you expect to find between the air temperature and dew point temperature at ground level if an area is covered in fog?

Description : What relationship would you expect to find between the air temperature and dew point temperature at ground level if an area is covered in fog?

Last Answer : The relationship that you expect to find between the air temperature and dew point temperature at ground level if the area is covered by fog is the temperatures of th air and the dew point would be very close in value.

Fog that most often forms as warm rain falls into a cold layer of surface air is called -------? A. Radiation fog B. Evaporation (mixing) fog (Answer) C. Advection fog D. Upslope fog

Description : Fog that most often forms as warm rain falls into a cold layer of surface air is called -------? A. Radiation fog B. Evaporation (mixing) fog (Answer) C. Advection fog D. Upslope fog

Last Answer : B. Evaporation (mixing) fog (Answer)

Smog that occurs mainly due to automobile exhausts and still air is

Description : Smog that occurs mainly due to automobile exhausts and still air is

Last Answer : Smog that occurs mainly due to automobile exhausts and still air is A. Photochemicals smog B. Classical smog C. london smog D. Both B and C

The term 'brown air' is used for – (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Description : The term 'brown air' is used for – (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Last Answer : (2) Photochemical smog Explanation: Photochemical smog which is mainly composed of ozone (O3), Peroxyacetyl nitrate (PAN) and No., is also known as brown air where solar radiation is intense. In ... solar radiation or areas, smog formation is incomplete and the air is referred to as grey air.

Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Description : Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

Which of the following is not a secondary air pollutant? (A) Ozone (B) Photochemical smog (C) Sulphur dioxide (D) All (A), (B) & (C)

Description : Which of the following is not a secondary air pollutant? (A) Ozone (B) Photochemical smog (C) Sulphur dioxide (D) All (A), (B) & (C)

Last Answer : (C) Sulphur dioxide

Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? (A) Smog & ozone (B) Hydrogen fluoride & nitrogen oxides (C) Sulphur dioxide & spray of weed killers (D) Carbon monoxide

Description : Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? (A) Smog & ozone (B) Hydrogen fluoride & nitrogen oxides (C) Sulphur dioxide & spray of weed killers (D) Carbon monoxide

Last Answer : (D) Carbon monoxide

Presence of high concentration of ozone and smog in atmospheric air causes the(A) Embrittlement & decrease of folding resistance of paper(B) Cracking of rubber products(C) Fading of dye on textiles(D) Damage of electrical insulator on high tension power line

Description : Presence of high concentration of ozone and smog in atmospheric air causes the (A) Embrittlement & decrease of folding resistance of paper (B) Cracking of rubber products (C) Fading of dye on textiles (D) Damage of electrical insulator on high tension power line

Last Answer : (B) Cracking of rubber products

Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Description : Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

The term ‘brown air’ is used for (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Description : The term ‘brown air’ is used for (1) Acid fumes (2) Photochemical smog (3) Sulphurous smog (4) Industrial smog

Last Answer : Photochemical smog

Which of the following is a wrong combination of location and hydroelectric projects undertaken by the NHPC? (a) Baira Siul-Himachal Pradesh (b) Salal-Jammu and Kashmir (c) Loktak-Sikkim (d) Devi Ghat-Nepal

Description : Which of the following is a wrong combination of location and hydroelectric projects undertaken by the NHPC? (a) Baira Siul-Himachal Pradesh (b) Salal-Jammu and Kashmir (c) Loktak-Sikkim (d) Devi Ghat-Nepal

Last Answer : Ans: (c)

'October Heat' is caused due to (a) the absence of rain (b) combination of high temperature and excessive humidity (c) dry hot weather (d) None of the above

Description : 'October Heat' is caused due to (a) the absence of rain (b) combination of high temperature and excessive humidity (c) dry hot weather (d) None of the above

Last Answer : Ans: (b)

Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy

Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy

Last Answer : (3) Gravitational potential energy Explanation: Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation ... is channeled into a large basin behind the darn, holding a large amount of potential energy.

how can I make smoke without a fire or dry ice that is easy to make?

Description : how can I make smoke without a fire or dry ice that is easy to make?

Last Answer : Most party and magic shops have relatively inexpensive smoke machines.

I have a butt, but I'm not alive. I bring smoke, but am not fire. I destroy, I kill, though I am not used in a war. What am I? -Riddles

Description : I have a butt, but I'm not alive. I bring smoke, but am not fire. I destroy, I kill, though I am not used in a war. What am I? -Riddles

Last Answer : A cigarette.

How can you remove smoke damaged stains after a fire accident?

Description : How can you remove smoke damaged stains after a fire accident?

Last Answer : To remove soot and smoke from walls, furniture and floors, use a mild soap or detergent or mix together 4 to 6 tbsp. Tri - sodium phosphate and 1 cup household cleaner or chlorine bleach to ... warm water. Wear rubber gloves. Be sure to rinse surfaces with clear warm water and dry thoroughly ..

Where can I train to be a smoke and fire eater?

Description : Where can I train to be a smoke and fire eater?

Last Answer : There is not a large number of fire eaters. There are several websites where you can gain beginner advice on becoming a fire eater. Also you can check with your local carnival/circus and learn from others in ... you get a degree and can go on to find many wild jobs that will take you wild places.

what can you use to get smell of smoke out of your house from a fire How dangerous is it for one to breath?

Description : what can you use to get smell of smoke out of your house from a fire How dangerous is it for one to breath?

Last Answer : Vinegar and water is a great combo for removing smoke from your home walls that are latex painted. Shampoo the carpets, and wash or dryclean all cushion covers and window coverings.

Do fire stations give out smoke alarms?

Description : Do fire stations give out smoke alarms?

Last Answer : Some fire stations offer smoke alarms at little or no cost. Fire stations always have smoke alarms available, to make sure that there community is kept safe.

How to Keep Your Smoke and Fire Detectors Working Perfectly?

Description : How to Keep Your Smoke and Fire Detectors Working Perfectly?

Last Answer : When you invest in smoke and fire detectors, you're doing it to help enhance the safety and security of your home. However, many people start to forget that these detectors need to be ... beeps start going off to change the batteries. Change batteries regularly whether or not they're low.

The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called (A) Fire point (B) Smoke point (C) Burning temperature (D) Kindling temperature

Description : The lowest temperature, at which a solid fuel produces enough vapors to support continuous combustion, is called (A) Fire point (B) Smoke point (C) Burning temperature (D) Kindling temperature

Last Answer : (C) Burning temperature

The passage describes (1) the heat and smoke that was generated by the sudden fire. (2) the effect of the blast on unsuspecting hotel guests. (3) the loss of crockery glass and bodies in the accident. (4) the layout

Description : The passage describes (1) the heat and smoke that was generated by the sudden fire. (2) the effect of the blast on unsuspecting hotel guests. (3) the loss of crockery glass and bodies in the accident. (4) the layout

Last Answer : (2) the effect of the blast on unsuspecting hotel guests.

The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Description : The pacific Ring of Fire is - (1) an area of constant forest fires in the Pacific islands (2) a volcanic belt around the Pacific (3) an area of intense heat in the Pacific (4) islands rich in fuel minerals in the pacific

Last Answer : (2) a volcanic belt around the Pacific Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. It has ... of the world's earthquakes and 81% of the world's largest earthquakes occur along the Ring of Fire.

Which one of the following is called ‘Ring of Fire’? (1) Circum Pacific Belt (2) Mid-Continental Belt (3) Indian Ocean Belt (4) Atlantic Ocean Belt

Description : Which one of the following is called ‘Ring of Fire’? (1) Circum Pacific Belt (2) Mid-Continental Belt (3) Indian Ocean Belt (4) Atlantic Ocean Belt

Last Answer : (1) Circum Pacific Belt Explanation: The Pacific Ring of Fire is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean. In a 40,000 km horseshoe ... of Fire has 452 volcanoes and is home to over 75% of the world's active and dormant volcanoes.

The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Description : The 'Pacific ring of fire ' is associated with : (1) oil well fires (2) thermal power station (3) volcanoes and earthquakes (4) forest fires

Last Answer : (3) volcanoes and earthquakes Explanation: Pacific ring of fire is an area where a large number of earthquakes and voicanic eruptions occur in the basin of the Pacific ocean.