Coal is formed from (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass

Coal is formed from (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass
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compressed and hardened biomass
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Coal is formed from – (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass

Description : Coal is formed from – (1) crude oil (2) deposit of animal waste (3) coke (4) compressed and hardened biomass

Last Answer : (4) compressed and hardened biomass Explanation: A fossil fuel, coal forms when dead plant matter is converted into peat, which in turn is converted into lignite, then subbituminous coal, ... lastly anthracite: This involves biological and geological processes that take place over a long period.

The natural source of hydro-carbon is (1) Crude oil (2) Biomass (3) Coal (4) Carbohydrates

Description : The natural source of hydro-carbon is (1) Crude oil (2) Biomass (3) Coal (4) Carbohydrates

Last Answer : Crude oil

Identify the correct statement with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermentertian of biomass

Description : Identify the correct statement with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermentertian of biomass

Last Answer : (4) Gas produced by fermentertian of biomass Explanation: Biogas is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste ... (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.

Cocking need of villages are mostly met by the burning of . A) Biomass. C) Hydroelectric B) Crude oil. D) Neutral gas

Description : Cocking need of villages are mostly met by the burning of . A) Biomass. C) Hydroelectric B) Crude oil. D) Neutral gas

Last Answer : Biomass

Identify the correct stateme-nt with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermen-tation of biomass

Description : Identify the correct stateme-nt with respect to Biogas. (1) Mixture of gases from volcanoes (2) Gas produced from certain crude oil wells (3) Gas produced by incomplete combustion of biomass (4) Gas produced by fermen-tation of biomass

Last Answer : Gas produced by fermen-tation of biomass

The most abundant source of energy is----------------- a)biomass b)sun c)coal d)oil -Geography

Description : The most abundant source of energy is----------------- a)biomass b)sun c)coal d)oil -Geography

Last Answer : Sun.

Producer gas is obtained by  A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast  B. carbonisation of bituminous coal  C. passing steam over incandescent coke  D. passing air and a large amount of steam over waste coal at about 650°C

Description : Producer gas is obtained by  A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast  B. carbonisation of bituminous coal  C. passing steam over incandescent coke  D. passing air and a large amount of steam over waste coal at about 650°C

Last Answer : Answer: A

Producer gas is obtained by  A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast  B. carbonisation of bituminous coal  C. passing steam over incandescent coke  D. passing air and a large amount of steam over waste coal at about 650°C

Description : Producer gas is obtained by  A. partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast  B. carbonisation of bituminous coal  C. passing steam over incandescent coke  D. passing air and a large amount of steam over waste coal at about 650°C

Last Answer : Answer: A

The primary source of carbohydrates are – (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Description : The primary source of carbohydrates are – (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Last Answer : (2) Plants Explanation: Plants are the primary sources of carbohydrates. They produce carbohydrates by photosynthesis which is the source of energy for nearly all life on earth, either directly, through primary production, or indirectly, as the ultimate source of the energy in their food.

The primary source of carbohydrates are (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Description : The primary source of carbohydrates are (1) Marine animals (2) Plants (3) Coal-tar (4) Crude oil

Last Answer : Plants

An example of replenshible energy source is — (1) Coal (2) Petroleum (3) Lignite (4) Biomass

Description : An example of replenshible energy source is — (1) Coal (2) Petroleum (3) Lignite (4) Biomass

Last Answer : (4) Biomass Explanation: Biomass is biological material from living, or recently living organisms, most often referring to plants or plant-derived materials. As a renewable energy source, ... be converted to energy in three ways: thermal conversion, chemical conversion, and biochemical conversion.

An example of replenshible energy source is— (1) Coal (2) Petroleum (3) Lignite (4) Biomass

Description : An example of replenshible energy source is— (1) Coal (2) Petroleum (3) Lignite (4) Biomass

Last Answer : Biomass

Fuel used in B.F. stove is (A) Pulverised coal (B) Furnace oil (C) Blast furnace gas/mixed gas (D) Coke oven gas

Description : Fuel used in B.F. stove is (A) Pulverised coal (B) Furnace oil (C) Blast furnace gas/mixed gas (D) Coke oven gas

Last Answer : (C) Blast furnace gas/mixed gas

Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Description : Which of the following fuels is generally not used in thermal power plant boiler firing? (A) Furnace oil, light diesel oil and tar/PCM (B) Pulverised coking coal (C) Coal middling from washeries (D) B.F. gas, coke oven gas and L.D. converter gas

Last Answer : (B) Pulverised coking coal

Which of the following would require maximum amount of % excess air for complete combustion? (A) Coke oven gas (B) Furnace oil (C) Pulverised coal (D) Lump coal (fixed on chain grate)

Description : Which of the following would require maximum amount of % excess air for complete combustion? (A) Coke oven gas (B) Furnace oil (C) Pulverised coal (D) Lump coal (fixed on chain grate)

Last Answer : (D) Lump coal (fixed on chain grate)

Pick out the wrong statement. (A) Indian coals on an average contain 25-30% ash as against 10-12% ash in imported coking coal (B) Ammonia is recovered in the form of ammonium sulphate in direct process of by-product recovery (C) A high swelling index number of coking coal indicates poor caking properties of coal (D) Wash oil is used for scrubbing Benzol from coke oven gas

Description : Pick out the wrong statement. (A) Indian coals on an average contain 25-30% ash as against 10-12% ash in imported coking coal (B) Ammonia is recovered in the form of ammonium sulphate in direct ... indicates poor caking properties of coal (D) Wash oil is used for scrubbing Benzol from coke oven gas

Last Answer : (C) A high swelling index number of coking coal indicates poor caking properties of coal

To counteract the bad effects of strain hardening on a cold formed part, it must be (A) Tempered (B) Normalised (C) Annealed (D) Hardened

Description : To counteract the bad effects of strain hardening on a cold formed part, it must be (A) Tempered (B) Normalised (C) Annealed (D) Hardened

Last Answer : Option C

How much more electricity does biomass energy generate than coal?

Description : How much more electricity does biomass energy generate than coal?

Last Answer : I am pretty sure that LESS electricity is generated withbiomass, meaning that its use is not as common as coal.

A waste heat recovery system in industrial process has been key to reduce ....... Consumption. a) Coal b) Fuel c) Biogas d) Oil

Description : A waste heat recovery system in industrial process has been key to reduce ....... Consumption. a) Coal b) Fuel c) Biogas d) Oil

Last Answer : Fuel

Crude oil is separated into its components by: w) chemical reaction x) simple distillation y) fractional distillation z) settling

Description : Crude oil is separated into its components by: w) chemical reaction x) simple distillation y) fractional distillation z) settling

Last Answer : ANSWER: Y -- FRACTIONAL DISTILLATION 

Biomass energy is w) formed through photosynthesis x) caused by heat due to the large mass of the Earth y) has been used for only a few years z) the predominant source of commercial heat energy in the northern regions of the United States

Description : Biomass energy is w) formed through photosynthesis x) caused by heat due to the large mass of the Earth y) has been used for only a few years z) the predominant source of commercial heat energy in the northern regions of the United States

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS

Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States

Description : Biomass energy is: w) formed through photosynthesis x) caused by heat due to the large mass of the earth y) has been used for only a few years z) is effective in only certain regions of the United States 

Last Answer : ANSWER: W -- FORMED THROUGH PHOTOSYNTHESIS 

Which one of the following is known as the 'brown coal'? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Description : Which one of the following is known as the 'brown coal'? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Last Answer : (4) Lignite Explanation: Lignite, often referred to as brown coal, is a soft brown fuel with characteristics that put it somewhere between coal and peat. It is considered the lowest rank of coal. It has ... 66%, and an ash content ranging from 6% to 19% compared with 6% to 12% for bituminous coal.

Which one of the following is known as the ‘brown coal’? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Description : Which one of the following is known as the ‘brown coal’? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Last Answer : (4) Lignite Explanation: Lignite, often referred to as brown coal, is a soft brown fuel with characteristics that put it somewhere between coal and peat. It is considered the lowest rank of coal. It has a carbon content of around 2530%.

The gas that causes suffocation and death when coal or coke is burnt in a closed room is - (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon dioxide

Description : The gas that causes suffocation and death when coal or coke is burnt in a closed room is - (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon dioxide

Last Answer : (3) Carbon monoxide Explanation: Exhaust fumes of motor cars, gases produced, from coal fire in a closed room and coal gas, all contain carbon monoxide, which is the cause of their ... is stable compound. This causes oxygen starvation in the body tissues and eventually causes death by suffocation.

Among the fuels given below, the one with highest calorific value is – (1) Coke (2) Coal (3) Wood (4) Natural gas

Description : Among the fuels given below, the one with highest calorific value is – (1) Coke (2) Coal (3) Wood (4) Natural gas

Last Answer : (4) Natural gas Explanation: The calorific values of different fuels (in Kcal/kg) in dry state are: Wood: 3500; Coal: 4000-7000; Coke: 6500; and Natural Gas: 8600 Kcal/kg.

Which of the following is used as filler in tyre of rubber? (1) Carbon black (2) Coal (3) Coke (4) Graphite

Description : Which of the following is used as filler in tyre of rubber? (1) Carbon black (2) Coal (3) Coke (4) Graphite

Last Answer : (1) Carbon black Explanation: The most common use (70%) of carbon black is as a pigment and reinforcing phase in automobile tires. Carbon black also helps conduct heat away from the tread and belt area of the tire, reducing thermal damage and increasing tire life.

The gas that causes suffocation and death when coal or coke is burnt in a closed room is (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon di–oxide

Description : The gas that causes suffocation and death when coal or coke is burnt in a closed room is (1) Methane (2) Ethane (3) Carbon monoxide (4) Carbon di–oxide

Last Answer : Carbon monoxide

Which one of the following is known as the ‘brown coal’ ? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Description : Which one of the following is known as the ‘brown coal’ ? (1) Anthracite (2) Bituminous (3) Coke (4) Lignite

Last Answer : Lignite

Among the fuels given below, the one with highest calorific value is (1) Coke (2) Coal (3) Wood (4) Natural gas

Description : Among the fuels given below, the one with highest calorific value is (1) Coke (2) Coal (3) Wood (4) Natural gas

Last Answer : Natural gas

Which of the following is used as filler in tyre of rubber ? (1) Carbon black (2) Coal (3) Coke (4) Graphite

Description : Which of the following is used as filler in tyre of rubber ? (1) Carbon black (2) Coal (3) Coke (4) Graphite

Last Answer : Carbon black

In vulcanisation process, rubber can be hardened by adding - (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Description : In vulcanisation process, rubber can be hardened by adding - (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Last Answer : (3) Sulphur Explanation: In order to give more strength and more elasticity, natural rubber is heated with sulphur or sulphur compounds at 150°C temperature. Vulcanized rubber has good tensile strength.

In vulcanisation process, rubber can be hardened by adding (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Description : In vulcanisation process, rubber can be hardened by adding (1) Nitrogen (2) Silicon (3) Sulphur (4) Alcohol

Last Answer : Sulphur

Low temperature oxidation of coal is accelerated by the (A) Storage in large heaps (B) Storage in compressed piles (C) Absence of porous or friable particles (D) All (A), (B) and (C)

Description : Low temperature oxidation of coal is accelerated by the (A) Storage in large heaps (B) Storage in compressed piles (C) Absence of porous or friable particles (D) All (A), (B) and (C)

Last Answer : (A) Storage in large heaps

Green manure is obtained from – (1) Domestic vegetable waste (2) Oil seed husk cakes (3) Fresh animal excreta (4) Decomposing green legume plants

Description : Green manure is obtained from – (1) Domestic vegetable waste (2) Oil seed husk cakes (3) Fresh animal excreta (4) Decomposing green legume plants

Last Answer : (4) Decomposing green legume plants Explanation: Green undecomposed material used as manure is called green manure. It is obtained in two ways: (1) growing green manure crops usually belonging to ... , field bonds and forest. The most important green manure crops are sunnhemp, dhaincha,. etc.

Green manure is obtained from – (1) Fresh animal excreta (2) Decomposing green legume plants (3) Domestic vegetable waste (4) Oil seed husk cakes

Description : Green manure is obtained from – (1) Fresh animal excreta (2) Decomposing green legume plants (3) Domestic vegetable waste (4) Oil seed husk cakes

Last Answer : (2) Decomposing green legume plants Explanation: Green manure is obtained from decomposing green legume plants.

From the above options which can used to convert by bio chemical processes to alcohol and esters a. Cellulose waste and non- edible oil c)fossil fuels b. Animal waste d) none of the above

Description : From the above options which can used to convert by bio chemical processes to alcohol and esters a. Cellulose waste and non- edible oil c)fossil fuels b. Animal waste d) none of the above

Last Answer : Cellulose waste and non- edible oil

Green manure is obtained from (1) Fresh animal excreta (2) Decomposing green legume plants (3) Domestic vegetable waste (4) Oil seed husk cakes

Description : Green manure is obtained from (1) Fresh animal excreta (2) Decomposing green legume plants (3) Domestic vegetable waste (4) Oil seed husk cakes

Last Answer : Decomposing green legume plants

Regenerators are used for waste heat recovery in (A) By-product coke ovens (B) Beehive coke oven (C) Blast furnace stoves (D) Soaking pits

Description : Regenerators are used for waste heat recovery in (A) By-product coke ovens (B) Beehive coke oven (C) Blast furnace stoves (D) Soaking pits

Last Answer : (A) By-product coke ovens

What types of crude oil exist?

Description : What types of crude oil exist?

Last Answer : answer:When buying and selling unrefined oil on the world market (or any other raw material, for that matter, from iron ore to cotton to sugar) there have to be ways to grade the goods so ... grindability - but I think the range of petroleum variations is generally narrower than it is for coal.

With inflation eating into every pocket and Crude oil prices surging ... What should India look forward to?

Description : With inflation eating into every pocket and Crude oil prices surging ... What should India look forward to?

Last Answer : India is a booming and up-and-coming nation. Her stress on education and work ethic makes it much more productive, unlike us lazy Americans. Technology is becoming more advanced and widespread, expontentially ... is no longer considered a 3rd world but a nation on the verge of a economic revolution

Is crude oil essential for the development process in a country ? why ? -SST 10th

Description : Is crude oil essential for the development process in a country ? why ? -SST 10th

Last Answer : It would be hard to imagine an economy developing without oil and natural gas, because it is the basis of every industrialized economy on Earth right now. Crude oil provides 97% of the energy for ... of these things. This would place you back in time more than 100 years in terms of technology.

Name the region of world which has large crude oil reserves. -SST 10th

Description : Name the region of world which has large crude oil reserves. -SST 10th

Last Answer : Middle East.

Which area of the world has the largest crude oil reserves ? -SST 10th

Description : Which area of the world has the largest crude oil reserves ? -SST 10th

Last Answer : Middle East is area of the world has the largest crude oil reserves.

Why will crude oil eventually run out?

Description : Why will crude oil eventually run out?

Last Answer : Coal, natural gas, crude oil are non-renewable fossil resources. Once used up they can't be replaced as they took millions of years to form in the first place. This why we are looking ... alternative resources, wind, tide, solar, nuclear, and looking for new sources of existing fossil resources.

For transporting large quantities of crude oil on land, over long distances the moat economical mode is (a) by pipelines (b) by rail tankers (c) by road tankers (d) by river barges

Description : For transporting large quantities of crude oil on land, over long distances the moat economical mode is (a) by pipelines (b) by rail tankers (c) by road tankers (d) by river barges

Last Answer : Ans: (a)

In what sequence are the following obtained from a natural gas well? 1. Natural Gas 2. Water 3. Crude oil Codes: (a) 1, 3, 2 (b) 1, 2, 3 (c) 3, 2, 1 (d) 2, 1, 3

Description : In what sequence are the following obtained from a natural gas well? 1. Natural Gas 2. Water 3. Crude oil Codes: (a) 1, 3, 2 (b) 1, 2, 3 (c) 3, 2, 1 (d) 2, 1, 3

Last Answer : Ans:(a)

Gasoline is 1. Same as diesel oil 2. Same as petrol 3. Obtained from natural gas 4. Obtained from crude oil The correct answers are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Description : Gasoline is 1. Same as diesel oil 2. Same as petrol 3. Obtained from natural gas 4. Obtained from crude oil The correct answers are: (a) 1 and 3 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(b)

Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude oil are separated by fractional distillation. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Carbyne is an allotrope of carbon. 2. Gasoline, used as a fuel in motor vehicles is a mixture of petrol and alcohol. 3. Petroleum is also known as 'liquid gold'. 4. The various components of crude ... (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(b)

Consider the following processes: 1. Evaporation 2. Fractional distillation 3. Distillation 4. Filtration The process(es) involved in the refining of crude oil is/ are: (a) 3 only (b) 2 and 3 (c) 3 only (d) 1 only

Description : Consider the following processes: 1. Evaporation 2. Fractional distillation 3. Distillation 4. Filtration The process(es) involved in the refining of crude oil is/ are: (a) 3 only (b) 2 and 3 (c) 3 only (d) 1 only

Last Answer : Ans:(b)