Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having expensive metals namely.

Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having expensive metals namely.
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Catalytic converters are fitted in to automobiles for reducing emission of poisonous gases, having ... Lead and Cadmium D. copper and cadmium
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Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change un burnt hydrocarbons into

Description : 10. Catalytic converters are fitted into automobiles to reduce emission of harmful gases. Catalytic converters change un burnt hydrocarbons into (a) carbon dioxide and water (b) carbon mono oxide (c) methane (d) carbon dioxide and methane.

Last Answer : (a) carbon dioxide and water

Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results in death by asphyxiation (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles (D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere

Description : Pick out the wrong statement. (A) Catalytic converter is fitted in automobiles to reduce carbon monoxide concentration in exhaust emissions (B) Inhalation of pollutant carbon monoxide results ... D) Decomposition of plants containing chlorophyll is a natural source of carbon monoxide in atmosphere

Last Answer : (C) Sulphur dioxide is the main pollutant emitted from the exhaust of petrol driven automobiles

Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Description : Catalytic converters are generally made from (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Last Answer : (3) Transition metals Explanation: Transition metals are used directly as catalysts in the anti-pollution catalytic converters in car exhausts. For example, expensive transition metals such as ... nitrogen monoxide, which are converted to the non-polluting gases nitrogen and carbon dioxide.

Catalytic converters are generally made from : (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Description : Catalytic converters are generally made from : (1) Alkaline metals (2) Hydrogen (3) Transition metals (4) Carbon

Last Answer : Transition metals

Sulphur dioxide level in the atmosphere can be reduced by using - (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Description : Sulphur dioxide level in the atmosphere can be reduced by using - (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Last Answer : (4) low - sulphur fuels Explanation: The main source of sulphur dioxide into the atmosphere is from the burning of fossil fuels. Sulphur dioxide can damage plants and reduce crop yields.

Catalytic Converters are Generally Made from –

Description : Catalytic Converters are Generally Made from –

Last Answer : Transition Metals

Catalytic Converters are Generally Made from

Description : Catalytic Converters are Generally Made from

Last Answer : Transition Metals

Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

Description : Wutomobile catalytic converters cause the carbon monoxide and hydrocarbons which result from incomplete combustion to be converted into what two substances?

Last Answer : ANSWER: CARBON DIOXIDE (CO2) AND WATER (H2O)

Sulphur dioxide level in the atmosphere can be reduced by using (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Description : Sulphur dioxide level in the atmosphere can be reduced by using (1) more efficient car engines (2) catalytic converters in industry (3) static electricity to attract it in factory chimneys (4) low - sulphur fuels

Last Answer : low - sulphur fuels

Which one of the following metals pollutes the air of a city having large number of automobiles? A. Cadmium B. Chromium C. Lead D. Copper

Description : Which one of the following metals pollutes the air of a city having large number of automobiles? A. Cadmium B. Chromium C. Lead D. Copper

Last Answer : ANSWER: C

Which one of the following metals pollutes the air of a city having large number of automobiles? (1) Cadmium (2) Chromium (3) Lead (4) Copper

Description : Which one of the following metals pollutes the air of a city having large number of automobiles? (1) Cadmium (2) Chromium (3) Lead (4) Copper

Last Answer : (3) Lead Explanation: The history of car pollution has been one of air and water contamination followed by regulated improvement. Cars and trucks cause a lot of air the pollution in the world ... . But since leaded gasoline has been phased out, lead emissions have decreased by about 98 percent.

Which one of the following metals pollutes the air of a city having large number of automobiles? (1) Cadmium (2) Chromium (3) Lead (4) Copper

Description : Which one of the following metals pollutes the air of a city having large number of automobiles? (1) Cadmium (2) Chromium (3) Lead (4) Copper

Last Answer : Lead

. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is (A) Nickel (B) Cobalt (C) Vanadium (D) Platinum

Description : . Catalyst used in the catalytic converter employed in automobiles to convert CO into CO2 and for complete oxidation of un-burnt hydrocarbons is (A) Nickel (B) Cobalt (C) Vanadium (D) Platinum

Last Answer : (D) Platinum

In coal fired power plants, electrostatic precipitators are fitted to control emission of

Description : In coal fired power plants, electrostatic precipitators are fitted to control emission of

Last Answer : In coal fired power plants, electrostatic precipitators are fitted to control emission of A. `NO_(x)` B. CO C. SPM D. `SO_2`

Nitrogen oxides produced from the emission of automobiles and power plants are the source of fine air borne particles which lead to

Description : Nitrogen oxides produced from the emission of automobiles and power plants are the source of fine air borne particles which lead to

Last Answer : Nitrogen oxides produced from the emission of automobiles and power plants are the source of fine air ... C. Industrial smog D. Wet acid deposition

Which one of the following cannot be controlled by a 3 way catalytic converter? (a) HC emission (b) CO emission (c) NOx emission (d) SPM emission

Description : Which one of the following cannot be controlled by a 3 way catalytic converter? (a) HC emission (b) CO emission (c) NOx emission (d) SPM emission

Last Answer : Ans :d

Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point (C) Each ton of petroleum oil on distillation produces about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Description : Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches ... about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Last Answer : (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point

Which of the Following conference obtained commitments from different countries for reducing overall greenhouse gas emission at a level 5% below 1990

Description : Which of the Following conference obtained commitments from different countries for reducing overall greenhouse gas emission at a level 5% below 1990

Last Answer : Which of the Following conference obtained commitments from different countries for reducing overall ... , 1987 D. Helsinki Declaration, 1989

Euro-II (April 2000) is the emission norm for reducing

Description : Euro-II (April 2000) is the emission norm for reducing

Last Answer : Euro-II (April 2000) is the emission norm for reducing A. `O_(3) and CO` B. `NO_(2) ... and aromatic hydrocarbons D. `CO_(4)` and particulate matter

List eight ways of reducing pollution. Explain PCV and evaporative emission system with suitable sketch.

Description : List eight ways of reducing pollution. Explain PCV and evaporative emission system with suitable sketch.

Last Answer : Eight ways of reducing pollution:-  1) Optimize Ignition Advance 2) Use unleaded gasoline & Low sulphur diesel 3) Use leaner air fuel ratio 4) Use exhaust gas treatment devices ex Catalytic ... check valve. The EVAP system is designed to limit maximum vacuum and pressure in the fuel tank.

The metals used in catalytic converter are a.Iron, Copper

Description : 10. The metals used in catalytic converter are a.Iron, Copper b. Platinum , Palladium ,and Rhodium c. Gold , Silver , Nichrome d. Mercury ,Lead, Iron

Last Answer : Ans- b. Platinum , Palladium ,and Rhodium

The catalytic activity of transition metals and their compounds is ascribed mainly to (1) their chemical reactivity (2) their magnetic behaviour (3) their unfilled d-orbitals (4) their ability to adopt variable oxidation states

Description : The catalytic activity of transition metals and their compounds is ascribed mainly to (1) their chemical reactivity (2) their magnetic behaviour (3) their unfilled d-orbitals (4) their ability to adopt variable oxidation states

Last Answer : (4) their ability to adopt variable oxidation states

Are metals poisonous?

Description : Are metals poisonous?

Last Answer : Not all metals are poisonous; example of poisonous metals are Be, Hg, Pu.

Pick up the incorrect statement from the following for allowing workers to enter sewers A. The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes B. Proper tests for the presence of poisonous gases must be carried out C. The men entering the manhole should be advised to smoke in the sewer D. Warning signals should be erected

Description : Pick up the incorrect statement from the following for allowing workers to enter sewers A. The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 ... entering the manhole should be advised to smoke in the sewer D. Warning signals should be erected

Last Answer : ANS: C

During the charging process of storage batteries, the charging rooms should be well ventilated because __________. A. without ventilation excessive gassing will occur B. highly poisonous gases are released C. highly explosive gases will otherwise accumulate D. without ventilation the battery will not take a full charge

Description : During the charging process of storage batteries, the charging rooms should be well ventilated because __________. A. without ventilation excessive gassing will occur B. highly poisonous gases are ... gases will otherwise accumulate D. without ventilation the battery will not take a full charge

Last Answer : Answer: C

Battery charging rooms should be well ventilated because the charging process produces_____________. A. highly poisonous gas B. highly combustible oxygen C. explosive gases D. corrosive gases

Description : Battery charging rooms should be well ventilated because the charging process produces_____________. A. highly poisonous gas B. highly combustible oxygen C. explosive gases D. corrosive gases

Last Answer : Answer: C

In an ammonia plant, the purge off is essential to (A) Maintain inert gas concentration within a limit (B) Remove excess poisonous gases (C) Maintain H2 : N2 ratio at 3 :1 (D) Remove uncondensed ammonia vapour

Description : In an ammonia plant, the purge off is essential to (A) Maintain inert gas concentration within a limit (B) Remove excess poisonous gases (C) Maintain H2 : N2 ratio at 3 :1 (D) Remove uncondensed ammonia vapour

Last Answer : (C) Maintain H2 : N2 ratio at 3 :1

The phrase 'tragedy of commons’ is in the context of (A) tragic event related to damage caused by release of poisonous gases. (B) tragic conditions of poor people. (C) degradation of renewable free access resources (D) climate change

Description : The phrase 'tragedy of commons’ is in the context of (A) tragic event related to damage caused by release of poisonous gases. (B) tragic conditions of poor people. (C) degradation of renewable free access resources (D) climate change

Last Answer : (C) degradation of renewable free access resources

Light waves can cause photoelectric emission in a) Metals b) Alkali metals c) Insulators d) None of the above

Description : Light waves can cause photoelectric emission in a) Metals b) Alkali metals c) Insulators d) None of the above

Last Answer : c) Insulators

In kyoto protocol, all nations agreed to reduce emission of green house gases by

Description : In kyoto protocol, all nations agreed to reduce emission of green house gases by

Last Answer : In kyoto protocol, all nations agreed to reduce emission of green house gases by A. 2008 B. 2010 C. 2012 D. 2018

In kyoto protocol, all nations agreed to reduce emission of green house gases by

Description : In kyoto protocol, all nations agreed to reduce emission of green house gases by

Last Answer : In kyoto protocol, all nations agreed to reduce emission of green house gases by A. 2008 B. 2010 C. 2012 D. 2018

Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Description : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Last Answer : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement ... Statement-1 is false but Statement -2 is true

Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it ?

Description : Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it ?

Last Answer : Due to formation of solvated or Ammoniated electrons

Two gases X and Y bring about bleaching of flowers. X bleaches due to oxidation of dye while Y bleaches by reducing the colouring matter. X and Y are

Description : Two gases X and Y bring about bleaching of flowers. X bleaches due to oxidation of dye while Y bleaches by reducing the colouring matter. X and Y are

Last Answer : Two gases X and Y bring about bleaching of flowers. X bleaches due to oxidation of dye while Y bleaches by ... C. `SO_2, O_2` D. (4) None of these

Higher fuel combustion efficiency cannot be achieved by (A) Preheating of fuel gases & combustion air (B) Reducing sulphur content in the fuel (C) Adopting proper fuel firing technique & fuel preparation (D) Supplying correct amount of combustion air

Description : Higher fuel combustion efficiency cannot be achieved by (A) Preheating of fuel gases & combustion air (B) Reducing sulphur content in the fuel (C) Adopting proper fuel firing technique & fuel preparation (D) Supplying correct amount of combustion air

Last Answer : (B) Reducing sulphur content in the fuel

The Kyoto Protocol is for a. limiting Green house gases b. Ozone depleting substance c. Reducing acid rain d. None of the above

Description : The Kyoto Protocol is for a. limiting Green house gases b. Ozone depleting substance c. Reducing acid rain d. None of the above

Last Answer : a. limiting Green house gases

Aerosols having carbon and fluorine compounds are chiefly released by: (a) Refineries (b) Automobiles (c) Industries (d) Jets 3. Coir of commerce is obtained from: (a) Endocarp of coconut (b) Mesocarp of coconut (c) Stem of jute (d) Leaves of coconut

Description : Aerosols having carbon and fluorine compounds are chiefly released by: (a) Refineries (b) Automobiles (c) Industries (d) Jets 3. Coir of commerce is obtained from: (a) Endocarp of coconut (b) Mesocarp of coconut (c) Stem of jute (d) Leaves of coconut

Last Answer : Ans. ((d))

Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) Having poor fatigue resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

Description : Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. It is (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives (B) ... resistance (C) Having poor toughness (D) Not helpful in producing cleaner steel due to oxidising action of vanadium

Last Answer : (A) Used for making axle & shafts of aeroplanes, automobiles and locomotives

Is it not long overdue, to officially recognise the true core of Easter and *********, namely the Easter Bunny and Santa Claus?

Description : Is it not long overdue, to officially recognise the true core of Easter and Christmas, namely the Easter Bunny and Santa Claus?

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How do you deal with the trolls of the world, namely online?

Description : How do you deal with the trolls of the world, namely online?

Last Answer : Point & laugh, works wonderfully.

What do you expect for the new upcoming year, namely 2013?

Description : What do you expect for the new upcoming year, namely 2013?

Last Answer : answer:I expect to achieve the heights of Grad School Greatness-being ABD (I used to think it was some fancy Latin phrase, but it does indeed stand for All But Dissertation). I'll never take a ... next year. What about you @Highbrow? What are you looking forward to in your work this coming year?

What is Hobbes' philosophy of mind, namely?

Description : What is Hobbes' philosophy of mind, namely?

Last Answer : This link should help

Is there ever a reason to worry if a pet, namely a cat, becomes super needy?

Description : Is there ever a reason to worry if a pet, namely a cat, becomes super needy?

Last Answer : Any sudden and dramatic changes in behavior can be indicators of problems (I have a cat who has attention seeking behavior when she is injured or stressed). If everything else seems normal (eating, playing, no vomiting, no diarrhea, etc) then I would probably tend to accept it as a really good mood.

How did Tagore view his school namely Shantmiketan? -History

Description : How did Tagore view his school namely Shantmiketan? -History

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Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Description : Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Last Answer : The answer is 'Telugu'

Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Description : Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Last Answer : answer:

Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Description : Krishnadeva Raya wrote a famous work, namely Amuktamalyada, in which language? -General Knowledge

Last Answer : answer:

$ Obelia has three types of zooids namely (i) polyps (ii) Balastostyles (iii) Medusae ! The occurrence of more than one forms in an individual is call

Description : $ Obelia has three types of zooids namely (i) polyps (ii) Balastostyles (iii) Medusae ! The occurrence of more than one forms in an individual is call

Last Answer : $ Obelia has three types of zooids namely (i) polyps (ii) Balastostyles (iii) Medusae ! The occurrence of ... is wrong D. If both As and R are wrong.

The Indian Constitution provides the country with three categories of civil services, namely (1) all India, central and state services (2) administrative, railway and police services (3) administrative, police and revenue services (4) administrative, police and foreign services

Description : The Indian Constitution provides the country with three categories of civil services, namely (1) all India, central and state services (2) administrative, railway and police services (3) administrative, police and revenue services (4) administrative, police and foreign services

Last Answer : (4) administrative, police and foreign services Explanation: The constitution under Article 312 provides for the establishment of three allIndia Civil Services: Indian Administrative Service, Indian Police Service ... . All appointments to All India Civil Services are made by the President of India.

The constitutional amendment through which the four regional languages namely Bodo, Dogri, Maithali and Santhali were included in the constitution is: (1) 72nd (2) 92nd (3) 93rd (4) 94th

Description : The constitutional amendment through which the four regional languages namely Bodo, Dogri, Maithali and Santhali were included in the constitution is: (1) 72nd (2) 92nd (3) 93rd (4) 94th

Last Answer : (4) 94th Explanation: The Constitution (Ninety-second Amendment) Act, 2003, amended the Eighth Schedule to the Constitution so as to include Bodo, Dogri, Santhali and Maithali languages. It ... 22. The Eighth Schedule lists languages that the Government of India has the responsibility to develop.