Description : Ringelmann chart No. 2 corresponds to __________ percent black smoke. (A) 10 (B) 20 (C) 40 (D) 80
Last Answer : (C) 40
Description : Ringelmann chart is used for the measurement of the (A) Combustibles present in automobile exhaust (B) Smoke density from a chimney (C) Exhaust gas density (D) Flue gas temperature
Last Answer : (B) Smoke density from a chimney
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 of the following is the leading cause of death and diseases worldwide? A. water pollution B. radioactive pollution C. air pollution D. soil pollution
Last Answer : A. water pollution
Description : __________ cannot control the noise pollution. (A) Use of silencers (B) Green house gases (C) Vibration damping (D) Tree plantation
Last Answer : (B) Green house gases
Description : The first method invented for planning projects, was (A) Bar chart method (B) Milestone chart (C) Critical path method (CPM) (D) Programme Evaluation and Review Technique (PERT)
Last Answer : (A) Bar chart method
Description : Electrostatic precipitator is used to control the pollution of – (1) air (2) water (3) noise (4) thermal
Last Answer : (1) air Explanation: An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing gas (such as air) using the force of an ... particles from a flowing gas (such as air) using the force of an induced electrostatic charge.
Description : Electrostatic precipitator is used to control — (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution
Last Answer : (1) Air pollution Explanation: An electrostatic precipitator (ESP), or electrostatic air cleaner is a particulate collection device that removes particles from a flowing has (such as air) using the force ... , and can easily remove fine particulate matter such as dust and smoke from the air stream.
Description : The Taj Mahal is being affected by A. Noise pollution B. Air pollution C. Water pollution D. None of these
Last Answer : B. Air pollution
Description : The first of the major environmental protection act to be promulgated in India was: A. Water Act B. Air Act C. Environmental Act D. Noise Pollution Rule
Last Answer : A. Water Act
Description : Anxiety and stress are caused by a) Air pollution b) Noise pollution c) Water pollution d) Nuclear pollution
Last Answer : b) Noise pollution
Description : Electrostatic precipitator is used to control – (1) Air pollution (2) Water pollution (3) Solid waste (4) Noise pollution
Last Answer : Air pollution
Description : Electrostatic precipitator is used to control the pollution of (1) air (2) water (3) noise (4) thermal
Last Answer : air
Description : World's worst radioactive pollution was caused by nuclear reactor disaster which occured in (A) Arizona (U.S.A.) (B) Chernobyl (undivided U.S.S.R.) (C) Pennsylvania (U.S.A.) (D) Moscow (U.S.S.R.)
Last Answer : (B) Chernobyl (undivided U.S.S.R.)
Description : In which year Air (Prevention and Control of Pollution) Act was amended to include noise as an air pollutant?
Last Answer : In which year Air (Prevention and Control of Pollution) Act was amended to include noise as an air pollutant? A. 1972 B. 1981 C. 1987 D. 1990
Last Answer : In which year Air (Prevention and Control of Pollution) Act was amended to include noise as an air pollutant ... . Noise C. Water D. None of the above
Description : Noise pollution has been inserted as pollution in the Air Act in: A. 1981 B. 1987 C. 1982 D. 2000
Last Answer : B. 1987
Description : Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in ... (A) Molal (B) Relative (C) Percentage (D) None of these
Last Answer : (A) Mola
Description : The radioactive pollution may result from: 1. medical waste 2. coal ash 3. production of nuclear arsenal 4. mining of uranium 5. decommissioning of nuclear weapons The correct causes are: (a) 1, 3 and 4 only (b) 1, 3, 4 and 5 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5
Last Answer : Ans:(b)
Description : Which of the following caused radioactive pollution along the coast of Kerala? (1) Plutonium (2) Zinc (3) Thorium (4) Radium
Last Answer : (3) Thorium Explanation: Thorium-rich monazite sand deposits on the Kerala coast have been responsible for natural radioactive contamination. It has been pronounced on the south-west coastal line of ... been found to have elevated levels of background radioactivity due to high abundance of thorium.
Description : Chernobyl disaster is the result of pollution by – (1) Oil spill (2) Acid rain (3) Carbon dioxide (4) Radioactive waste
Last Answer : (4) Radioactive waste Explanation: The Chernobyl disaster was a catastrophic nuclear accident that occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in the city of Pripyat, then ... radioactive particles into the atmosphere, which spread over much of the western USSR and Europe.
Description : Mention the source of radioactive pollution.
Last Answer : a) Nuclear power plants b) Nuclear weapons c) Disposal of nuclear wastes d) Use of radioactive isotopes e) Mining and refining of radioactive substance like uranium and thorium
Description : What is meant by radioactive pollution?
Last Answer : The pollution caused due to emission of protons (alpha particles), electrons (beta particles) and gamma rays is called radioactive pollution.
Description : Which of the following caused radioactive pollution along the coast of Kerala ? (1) Plutonium (2) Zinc (3) Thorium (4) Radium
Last Answer : Thorium
Description : Chernobyl disaster is the result of pollution by (1) Oil spill (2) Acid rain (3) Carbon dioxide (4) Radioactive waste
Last Answer : Radioactive waste
Description : Noise pollution level in a chemical plant is expressed in (A) Roentgen (B) Decibel (C) Hertz (D) None of these
Last Answer : (B) Decibel
Description : Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. (A) 3 (B) 30 (C) 7 (D) 70
Last Answer : (A) 3
Description : From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. (A) 5 (B) 50 (C) 500 (D) 5000
Last Answer : (A) 5
Description : What is noise pollution? -Geography
Last Answer : Noise pollution is any undesirable sound dumped into the atmosphere leading to health hazards.
Description : What are the important sources of noise pollution? -Geography
Last Answer : The important sources of noise pollution are : Natural: Thunder, cyclones, lightning, heavy rainfall, hailstorms, water falls, ocean waves. Man-made: Industrial noise, automobiles, air crafts, domestic noise, mining etc.
Description : What are the effects of noise pollution? -Geography
Last Answer : The noise pollution causes temporary or permanent hearing problem, headaches, restlessness,, cardio vascular diseases, physical disorder, behavioural changes, lack of concentration, etc.
Description : What are the measures to control noise pollution? -Geography
Last Answer : 1. Industries must be located away from the residential areas. 2. Construction of sound proof walls in the factories. 3. Restricting unnecessary use of sirens, horns and loud speakers. 4. ... 5. Protective instruments the workers in the industries. 6. Noise producing vehicles must be checked.
Description : Noise pollution refers to the state of unbearable and uncomfortable to human beings -Geography
Last Answer : (i) A regular awakening campaign. (ii) Extension of education and individual efforts. (iii) Harmony, fraternity and cooperation.
Description : What effects noise pollution can lay on our lives? -Geography
Last Answer : The unwanted lout sound from vehicles, industrial and construction activities etc. creates noise pollution. This affects heart rate, blood pressure, stress, and psychological effects etc. The effects ... Blood pressure increases. 3. Cause irritation and leads to stress. 4. Physiological effects.
Description : How do industries create thermal and noise pollution ? -SST 10th
Last Answer : Hot water from factories when is allowed to flow into rivers and ponds is caused thermal pollution. Thermal pollution would affect on aquatic life greatly. Industrial and constructional ... machineries create unwanted sound of intolerable nature which impaired human ears and nervous breakdown.
Last Answer : Hot water from factories when is allowed to flow into rivers and ponds is caused thermal pollution.
Description : Sound become hazardous noise pollution at which level? -Do You Know?
Last Answer : answer:
Description : Can noise pollution cause brain damage ?
Last Answer : Noise pollution causes sleep disturbances , anger , restlessness and mental illness in the brain.
Last Answer : : Noise pollution is the sudden noise , noise , or noise at different levels.
Description : Maximum permissible limit of noise as per "Noise Pollution Rules 2000 of India" is:
Last Answer : Maximum permissible limit of noise as per "Noise Pollution Rules 2000 of India" is: A. 60 decibles B. 70 decibels C. 80 decibels D. 100 decibels.
Description : Sounds above what level are considered hazardous noise pollution?
Last Answer : Sounds above what level are considered hazardous noise pollution? A. 180 dB B. 140 dB C. 100 dB D. 80 dB
Last Answer : Maximum permissible limit of noise as per "Noise Pollution Rules 2000 of India" is: A. 75 dB B. 65 dB C. 55dB D. 45dB