Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles. Reason : Catalytic convertes greatly reduce pollut

1 Answer

Answer :

Assertion: Suspended particulate matter(SPM) is an important pollutant released by diesel vehicles. Reason : ... but reason is wrong D. Both are wrong

Related questions

Description : Fine organic or inorganic particles suspended in air is called --------? A. particulate pollutant B. gaseous pollutant C. aerosol (Answer) D. none of these

Last Answer : C. aerosol (Answer)

Description : Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings. (A) Particulate matter (B) Oxides of nitrogen (C) Surface ozone (D) Carbon monoxide

Last Answer : (C) Surface ozone

Description : The optical property of a water body depends on: (A) Absorption by the dissolved material (B) Absorption by the suspended particulate matter (C) Scattering by the suspended particulate matter (D) All of these

Last Answer : Answer: Option D

Description : The following statement(s) is/are true concerning host defense mechanisms to intraabdominal infection. a. Bacterial clearance can occur via translymphatic absorption b. Phagocytic activity and bacterial killing can ... may be walled off but are seldom sealed by the omentum and other mobile viscera

Last Answer : Answer: a, b, c The introduction of microorganisms into the normally sterile peritoneal environment invoke several potent specialized host antimicrobial defense mechanisms. Bacterial clearance, ... the contaminated enteric contents walled off, preventing continued soilage of the peritoneal cavity

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

Description : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important in increasing crop productivity.

Last Answer : Assertion : Use of fertilizers greatly enhaces crop productivity. Reason : Irrigation is very important ... D. If both assertion and reason are false

Description : Which of the following is not a weightless pollutant? (A) SPM (B) Thermal pollution (D) Noise pollution (C) Radioactive rays

Last Answer : (A) SPM

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

Description : Which is not a control measure to reduce particulate matter in environment?

Last Answer : Which is not a control measure to reduce particulate matter in environment? A. Cyclonic ... C. Effluent treatment D. Electrostatic precipitator

Description : Maximum soot is released from (A) Petrol vehicles (B) CNG vehicles (C) Diesel vehicles (D) Thermal Power Plants

Last Answer : (D) Thermal Power Plants

Description : Give reason: Oxides of nitrogen released during lightning is not pollutant but oxides released by industries and automobiles are pollutant.

Last Answer : Human interference causes the same substance to become a pollutant.

Description : ‘Aerosol’ is - (1) Suspended solid particles in air (2) Pollutant gas, present in air (3) (8) Microbes, present in air (4) Green house gas present in air

Last Answer : (1) Suspended solid particles in air

Description : Which of the following is the most lethal water pollutant? (A) Phenol and cyanide (B) Chlorine (C) Alkalis (D) Suspended solids

Last Answer : (A) Phenol and cyanide

Description : ‘Aerosol’ is (1) Suspended solid particles in air (2) Pollutant gas, present in air (3) Microbes, present in air (4) Green house gas present in air

Last Answer : Suspended solid particles in air

Description : How effective are air scrubbers in removing particulate matter from the air?

Last Answer : answer:Particulate matter from exhaust gases emitted by power plant boilers in particular (if you'll pardon the pun) is primarily removed via the use of electrostatic precipitators or by baghouses. A ... its entire traverse as the gas loses heat and speed and encounters obstacles in the flow.

Description : An efficient device to eliminate particulate matter from industrial emission is

Last Answer : An efficient device to eliminate particulate matter from industrial emission is A. ... separators C. Incineration D. Eletrcostatic precipitators

Description : The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of (1) Coughing (2) Sneezing (3) A and B (4) Urination

Last Answer : (2) Sneezing Explanation: PM-10 is a particulate matter having an aerodynamic diameter of less than 10 gym. Particles larger than 10 microns tend to be filtered out in the nose and therefore do not enter the respiratory tract. 926.

Description : Which one of the following is not correct with regard to the harmful effects of particulate matter of the size 2.5  micrometer or less? (a) It can cause respiratory problems. (b) It can directly enter ... ) It can cause inflammation and damage to the lungs. (d) It can be inhaled into the lungs.

Last Answer : (b) It can directly enter into our circulatory system.

Description : A scrubber in the exhaust of a chemical industrial plant removes (a) gases like sulphur dioxide (b) particulate matter of the size 5 micrometer or above (c) gases like ozone and methane (d) particulate matter of the size 2.5 micrometer or less.

Last Answer : a) gases like sulphur dioxide

Description : Pollution by particulate matter emission in the atmosphere does not take place during metal (A) Grinding (B) Machining (C) Cutting (D) Polishing

Last Answer : (D) Polishing

Description : As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m3 .(μg-microgram) (A) 10 (B) 90 (C) 800 (D) 750

Last Answer : (B) 90

Description : In the recently launched Air Quality Index in India, which of the following pollutants is not included? (A) Chlorofluorocarbons (B) Carbon monoxide (C) Fine particulate matter (D) Ozone

Last Answer : (A) Chlorofluorocarbons

Description : The Particulate Matter (PM-10) exhaled from the polluted atmosphere is often filtered out during the process of (1) Coughing (2) Sneezing (3) A and B (4) Urination

Last Answer : Sneezing

Description : Which Pollutant is produced from vehicles that cause mental diseases? -Do You Know?

Last Answer : answer:

Description : Which Pollutant is produced from vehicles that cause mental diseases?

Last Answer : Pb (lead)

Description : Motor controllers are seldom troubled by grounds because ________________. A. cabinet heaters always keep internal components dry B. special insulation is used on wire for vital circuits C. ... on controller panels greatly reduce vibration D. contactors and relays are mounted on nonconducting panels

Last Answer : Answer: D

Description : A patient who has had a previous stroke and is taking warfarin tells the nurse that he started taking garlic to help reduce his blood pressure. The nurse knows that garlic when taken ... headaches. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.

Last Answer : a) can greatly increase the international normalization ratio (INR) and therefore increase the risk of bleeding. Garlic and warfarin taken together can greatly increase the INR, increasing the risk of bleeding.

Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .

Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.

Description : Assertion: Cu-T and Cu-7 do not suppress sperm motility. Reason: Hormones released by them affect sperm motility.

Last Answer : Assertion: Cu-T and Cu-7 do not suppress sperm motility. Reason: Hormones released by them affect ... D. If both the assertion and resson are false.

Description : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : Anti- diuretic hormone (ADH) is released by th

Last Answer : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : ... D. If both Assertion and Reason are false.

Description : The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Last Answer : (C) Diesel oil

Description : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason: These compounds lead to reduced visibility

Last Answer : Assertion: Euro II norms are framed to reduce the content of CO and aromatic compounds from fuels. Reason ... and Reason are false, then mark (4).

Description : Diesel engines are best suited for heavy vehicles, such as lorries, trucks, railway engines and ships. Why?

Last Answer : As they have more power and efficiency of diesel engine is more.

Description : Steps taken by the Government of India to control air pollution include (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and ... trucks (d) compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel.

Last Answer : (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons

Description : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess of organic matter.

Last Answer : Assertion : BOD of river polluted by sewage is more than 20 ppm. Reason: Polluted river contains excess ... true but reason is wrong D. Both are wrong

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Description : How is Co2 released from vehicles?

Last Answer : Mainly from the exhaust gasses created by the combustion of hydrocarbon-based fuels.

Description : Mahindra Electric has released ----electric vehicles in the Indian market up to 2020 a. 2 b. 4 c. 6 d. 8

Last Answer : Ans:- b.4

Description : Can I reduce emissions by getting a new catalytic converter?

Last Answer : In your car, the catalytic converter is the part that converts the toxic waste in your car into exhaust. By adding substances such as vanadium, you can reduce the waste put out by your car, ... can reduce your emissions even further by using unleaded gas, which puts out less toxins when it burns.

Description : Can I reduce my car's emissions by changing the catalytic converter?

Last Answer : A new catalytic converter will help to reduce your car's emissions, you can also take your car to a local garage and have them perform tests on it to see how else emissions can be reduced

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

Description : Explain with relevant justification that use of catalytic convertor reduce the tail pipe emissions.

Last Answer : The emissions from exhaust of vehicle are pollutants like Carbon monoxide (CO), Un-burnt Hydro carbon (UBHC), and oxides of nitrogen (NOx) without any after treatment device. Use of catalytic ... to carbon dioxide. In this way catalytic convertor converts more harmful gases into less harmful gases.

Description : Tri-sodium phosphate is used in boiler water treatment to reduce (A) Turbidity (B) Caustic embrittlement (C) Suspended silica (D) Dissolved oxygen

Last Answer : (B) Caustic embrittlement

Description : Which is not correct about harmful effect of SPM of 2.5 `mu`m or less

Last Answer : Which is not correct about harmful effect of SPM of 2.5 `mu`m or less A. It can directly ... inhaled into lungs D. It can cause respiratory problems.

Description : What is SPM causes

Last Answer : SPM causes A. Respiratory diseases B. Bone deformities C. Skin diseases D. All the above

Description : In a coal fired power plant electrostatic precipitators are installed to control emission of (a) NOX (b) SPM (c) CO (d) SO2

Last Answer : (b) SPM

Description : When a remittance is made to a SO through a special carrier, in which document a remark should be written for the information of SPM as to how the money was sent a) In SO daily account b) In SO Slip c) In HO summary d) In treasurer cash book

Last Answer : b) In SO Slip

Description : Accounts and branch office bags received in mail bags should be transferred to a) The Sorting PA b) The sub account PA c) The PM/SPM d) The treasurer

Last Answer : d) The treasurer