Coal containing a large amount of car- bon is?

Coal containing a large amount of car-
bon is?
by

1 Answer

Answer :

Anthracite
by

Related questions

Producer gas containing least amount of tar is produced by the (A) Partial combustion of coal (B) Partial combustion of large size (< 50 mm) coke (C) High pressure gasification of coal (e.g. in Lurgi gasifier) (D) Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)

Description : Producer gas containing least amount of tar is produced by the (A) Partial combustion of coal (B) Partial combustion of large size (< 50 mm) coke (C) High pressure gasification of coal (e.g. in Lurgi gasifier) (D) Atmospheric pressure gasification of coal (e.g., in Kopper-Totzek gasifier)

Last Answer : (B) Partial combustion of large size (< 50 mm) coke

A coal containing high amount of volatile matter will have (A) Low ignition temperature (B) Very little ash content (C) High fusion point of its ash (D) Low adiabatic flame temperature

Description : A coal containing high amount of volatile matter will have (A) Low ignition temperature (B) Very little ash content (C) High fusion point of its ash (D) Low adiabatic flame temperature

Last Answer : (A) Low ignition temperature

Which of the following would require least amount of secondary air for combustion? (A) Coke breeze containing 25% ash and 2% volatile matter (B) Anthracite containing 10% volatile matter and 8% ash(C) Bituminous coal containing 20% ash and 25% volatile matter(D) Semi-bituminous coal containing 25% ash and 20% volatile matter

Description : Which of the following would require least amount of secondary air for combustion? (A) Coke breeze containing 25% ash and 2% volatile matter (B) Anthracite containing 10% volatile matter and 8% ash ... ash and 25% volatile matter (D) Semi-bituminous coal containing 25% ash and 20% volatile matter

Last Answer : (A) Coke breeze containing 25% ash and 2% volatile matter

Coal containing large quantity of __________ are difficult to wash. (A) Ash (B) Inherent mineral matter (C) Free impurities (D) Volatile matter

Description : Coal containing large quantity of __________ are difficult to wash. (A) Ash (B) Inherent mineral matter (C) Free impurities (D) Volatile matter

Last Answer : (B) Inherent mineral matter

Sunday is Funday question: bon appetite...

Description : Sunday is Funday question: bon appetite...

Last Answer : answer:A nice, chilled shrimp cocktail, with a perfectly piquant sauce (just the right amount of horseradish) and a firm, fresh, chilled lemon wedge to add the right amount of lemony bite. And a lap dance, but not from the butler or the chef.

What if SAHMs did nothing but ate bon bons all day?

Description : What if SAHMs did nothing but ate bon bons all day?

Last Answer : Then people wouldn’t think very highly of them.

The question about the bon mots upper right was about fluther?

Description : The question about the bon mots upper right was about fluther?

Last Answer : answer:anartist It’s you we’ve all been waiting for. Log out

Which is better, Gourmet magazine or Bon Appetit magazine?

Description : Which is better, Gourmet magazine or Bon Appetit magazine?

Last Answer : I'm gonna have to go with either Cook's Country or Cook's Illustrated instead of any of those. But I really like that they explain how they went about perfecting a recipe, and try to not ... butter/margarine/shortening/oil. So I guess it depends on what you're looking for from your food magazine.

Is a Cin-a-bon the absoluty most unhealth thing you can eat??

Description : Is a Cin-a-bon the absoluty most unhealth thing you can eat??

Last Answer : answer:I’d have to say the worst I’ve seen is the Outback Steakhouse Aussie Cheese Fries with Ranch Dressing. - 2,900 calories – 182 g fat – 240 g carbs

A clock with a second pendulum is gaining 5 minutes a day. To correct it a.The eccentricity of bob with pendulum should be decreased b.The length of the pendulum should be decreased c.The length of pendulum should not be changed d.The length of the pendulum should be increased e.The eccentricity of bon with pendulum should be increased

Description : A clock with a second pendulum is gaining 5 minutes a day. To correct it a.The eccentricity of bob with pendulum should be decreased b.The length of the pendulum should be decreased c.The ... .The length of the pendulum should be increased e.The eccentricity of bon with pendulum should be increased

Last Answer : d. The length of the pendulum should be increased

ou je peux trouve un bon steak?

Description : ou je peux trouve un bon steak?

Last Answer : La société Chicago Steak se spécialise dans le bœuf USDA Prime, coupé à la main et élevé dans le Midwest, les meilleurs steaks que l'on puisse acheter. CSC lève, taille et vieillit chaque steak en ... sous vide, en conservant la saveur et la fraîcheur.pour plus d'information : cutt.ly/tkeTimC

Author of the song Bon Soir Mademoiselle Paris?

Description : I know that: I have one franc in my pocket, I am the richest of the banks above the Seine. Petr Muk sang, but now I see that Petr Janda also sings it. Who is the author? It's torment or Janda.

Last Answer : Author of the text: Zdeněk Rytíř, author of the music: Petr Janda

What is Jon Bon Jovi's favorite food?

Description : What is Jon Bon Jovi's favorite food?

Last Answer : Pork Roll!

What is Jon Bon Jovi's favorite animal?

Description : What is Jon Bon Jovi's favorite animal?

Last Answer : Dog

Does Jon Bon Jovi have pets?

Description : Does Jon Bon Jovi have pets?

Last Answer : yes, a dog copper

Does Jon Bon Jovi have a sister?

Description : Does Jon Bon Jovi have a sister?

Last Answer : no. two brothers, Matt and Anthony

Who are the members of Bon Jovi?

Description : Who are the members of Bon Jovi?

Last Answer : Jon Bon Jovi, Richie Sambora, Tico Torres, David Bryan, Hugh McDonald (unofficial member, touring bassist), Alec John Such (former bassist)

Where did Bon Jovi get their name?

Description : Where did Bon Jovi get their name?

Last Answer : It's Jon's last name

Is Bon Jovi dead?

Description : Is Bon Jovi dead?

Last Answer : Jon Bon Jovi is very much alive. On December 19, 2011, there was a false rumor circulating on Twitter that Jon died while doing a show in New Jersey. The rumor was so widespread that by evening, Jon ... ," along with the date, December 19, 2011. See the related link below for the picture he posted.

Is Bon Jovi dead?

Description : Is Bon Jovi dead?

Last Answer : Jon Bon Jovi is very much alive. On December 19, 2011, there was a false rumor circulating on Twitter that Jon died while doing a show in New Jersey. The rumor was so widespread that by evening, Jon ... ," along with the date, December 19, 2011. See the related link below for the picture he posted.

Dutch bond is a modification of (A) English bond (B) Stretcher bond (C) Header bond (D) Single Flemish bon

Description : Dutch bond is a modification of (A) English bond (B) Stretcher bond (C) Header bond (D) Single Flemish bon

Last Answer : Answer: Option A

Basal cell carcinoma is characterised by, A. Rapid growth and metastasis B. Local cutaneous invasion C. Inability to invade bone D. Poor prognosis E. Radiation resistance F. Can not metastasise to the bon

Description : Basal cell carcinoma is characterised by, A. Rapid growth and metastasis B. Local cutaneous invasion C. Inability to invade bone D. Poor prognosis E. Radiation resistance F. Can not metastasise to the bon

Last Answer : B. Local cutaneous invasion

What is a quickly moving downhill flow of soil and rock fragments containing a large amount of water?

Description : What is a quickly moving downhill flow of soil and rock fragments containing a large amount of water?

Last Answer : Could be a landslide.

A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large quantity of hydrogen in the fuel (B) Low calorific value of the fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air

Description : A liquid/gaseous fuel containing hydrocarbons and high amount of sulphur is burnt with 40% excess air. The flue gas still contains large amount of carbon monoxide. This may be due to the (A) Presence of large ... fuel (C) High sulphur content in the fuel (D) Lack of thorough mixing of fuel with air

Last Answer : (D) Lack of thorough mixing of fuel with air

Brown spots in fabrics will be caused by washing with water containing large amount of: (A) Iron (B) Zinc (C) Iodine (D) Bromine

Description : Brown spots in fabrics will be caused by washing with water containing large amount of: (A) Iron (B) Zinc (C) Iodine (D) Bromine

Last Answer : (A) Iron

Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if (A) It contains large amount of volatile matter (B) It is stored in tall heaps (C) Smaller fines are stored in large quantity (D) All (A), (B) and (C)

Description : Low temperature oxidation and spontaneous combustion of freshly mined coal is accentuated, if (A) It contains large amount of volatile matter (B) It is stored in tall heaps (C) Smaller fines are stored in large quantity (D) All (A), (B) and (C)

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

Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. (A) Low amount of excess combustion air (B) Large quantity of excess combustion air(C) Hydrocarbon fuel(D) Pulverised coal as fuel

Description : Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. (A) Low amount of excess combustion air (B) Large quantity of excess combustion air (C) Hydrocarbon fuel (D) Pulverised coal as fuel

Last Answer : (A) Low amount of excess combustion air

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

Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.  A.Correct  B.Incorrect

Description : Water gas is obtained by passing air and a large amount of steam over waste coal at about 650°C.  A.Correct  B.Incorrect

Last Answer : Answer: B

Coal containing 65% of carbon?

Description : Coal containing 65% of carbon?

Last Answer : Bituminous coal

The reason for excessive clinker formation in gas producers is the (A) Use of coal/coke containing a high % of fines and ash (B) Use of fuel having too low an ash fusion temperature (C) Development of hot spots in the fuel bed and an abnormally high rate of gasification (D) All (A), (B) and (C)

Description : The reason for excessive clinker formation in gas producers is the (A) Use of coal/coke containing a high % of fines and ash (B) Use of fuel having too low an ash fusion temperature (C) Development of hot spots in the fuel bed and an abnormally high rate of gasification (D) All (A), (B) and (C)

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

Which of the following accentuates clinkering troubles on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportion of iron & sulphur (B) Low forced draft & fuel bed temperature (C) Thick firebed and preheated primary air (D) All (A), (B) and (C)

Description : Which of the following accentuates clinkering troubles on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportion of iron & sulphur (B) Low forced draft & fuel bed temperature (C) Thick firebed and preheated primary air (D) All (A), (B) and (C)

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

A coal containing very high percentage of durain is called __________ coal. (A) Bright (B) Splint (C) Non-banded (D) Boghead

Description : A coal containing very high percentage of durain is called __________ coal. (A) Bright (B) Splint (C) Non-banded (D) Boghead

Last Answer : (B) Splint

Which of the following accentuates clinkering trouble on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportions of iron & sulphur (B) Low forced draught and fuel bed temperature (C) Thick fire bed and preheated primary air (D) All (A), (B) and (C)

Description : Which of the following accentuates clinkering trouble on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportions of iron & sulphur (B) Low forced draught and fuel bed temperature (C) Thick fire bed and preheated primary air (D) All (A), (B) and (C)

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

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Description : Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Last Answer : (B) In sedimentation tanks equipped with mechanical scrapper

Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and laminated clays c) Soils containing carbon of coal underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Description : Black cotton soils are a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering* b) Compacted and ... underneath d) Dark brown earthy materials formed due to partial or complete decomposition of vegetable matter

Last Answer : a) Heavy clay soils varying from clay to Loam, with clay content of 40 to 50% formed by decomposition of rocks by long continued weathering*

A man told his son that he would give him $1000 if he could accomplish the following task. The father gave his son ten envelopes and a thousand dollars, all in one dollar bills. He told his son, 'Place the money in the envelopes in such a manner that no matter what number of dollars I ask for, you can give me one or more of the envelopes, containing the exact amount I asked for without having to open any of the envelopes. If you can do this, you will keep the $1000.' When the father asked for a sum of money, the son was able to give him envelopes containing the exact amount of money asked for. How did the son distribute the money among the ten envelopes? -Riddles

Description : A man told his son that he would give him $1000 if he could accomplish the following task. The father gave his son ten envelopes and a thousand dollars, all in one dollar bills. He told his ... exact amount of money asked for. How did the son distribute the money among the ten envelopes? -Riddles

Last Answer : The contents or the ten envelopes (in dollar bills) should be as follows: $1, 2, 4, 8, 16, 32, 64, 128, 256, 489. The first nine numbers are in geometrical progression, and their sum, deducted from 1,000, gives the contents of the tenth envelope.

If a photosynthesizing plant release oxygen containing more than normal amount of 180, it is concluded that the plant has been supplied with

Description : If a photosynthesizing plant release oxygen containing more than normal amount of 180, it is concluded that the plant has been supplied with

Last Answer : If a photosynthesizing plant release oxygen containing more than normal amount of 180, it is concluded that the ... )O` D. Oxygen in the form of ozone

The amount of wet NaOH containing 15% water required to prepare 70 liters of 0.5 N solution is:

Description : The amount of wet NaOH containing 15% water required to prepare 70 liters of 0.5 N solution is:

Last Answer : The amount of wet NaOH containing 15% water required to prepare 70 liters of 0.5 N solution is: A. 1.65 kg B. 1.4 kg C. 16.5 kg D. 140 kg

The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,

Description : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,

Last Answer : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of ... 0.222g` C. `2.22 g` D. `0.444 g`

Bit map terminal A) support display containing multiple windows B) require considerable amount of video RAM C) requires tremendous amount of copying and hence low performance D) all of above

Description : Bit map terminal A) support display containing multiple windows B) require considerable amount of video RAM C) requires tremendous amount of copying and hence low performance D) all of above

Last Answer : Answer : D

Potassic fertilizer containing highest amount of K2O

Description : Potassic fertilizer containing highest amount of K2O

Last Answer : Ans. Muriate of potash/KCl (60%K2O)

Cement containing excess amount of lime – (1) cracks during setting (2) becomes more strong (3) is slow setting (4) is quick setting

Description : Cement containing excess amount of lime – (1) cracks during setting (2) becomes more strong (3) is slow setting (4) is quick setting

Last Answer : (1) cracks during setting Explanation: In cement almost entire amount of lime is present in combined state as calcium silicates and calcium aluminates. Cement containing excess amount of lime cracks during ... less amount of lime is weak in strength. Setting of cement is an exothermic process.

Among the tin containing alloys, __________ consumes the maximum amount of tin. (A) Solder (B) White metal (C) Pewter metal (D) Bronzes

Description : Among the tin containing alloys, __________ consumes the maximum amount of tin. (A) Solder (B) White metal (C) Pewter metal (D) Bronzes

Last Answer : (A) Solder

At equilibrium the concentration of water in vapour phase (C* ) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m3 containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is (A) 0.0 (B) 0.2 (C) 0.4 (D) 1.0

Description : At equilibrium the concentration of water in vapour phase (C* ) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room ... which the temperature is maintained constant) is (A) 0.0 (B) 0.2 (C) 0.4 (D) 1.0

Last Answer : (C) 0.4

6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? (A) 100% (B) 95% (C) 75% (D) 20%

Description : 6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant? (A) 100% (B) 95% (C) 75% (D) 20%

Last Answer : (B) 95%

From a vessel containing 100 litres of ****,10 litres are drawn out and an equal amount of water is added. From the mixture,10 litres is again drawn out and same quantity of water is added. What is the final ratio of **** and water? a) 91 : 9 b) 81 : 19 c) 80 : 20 d) 90 : 10 e) None of these

Description : From a vessel containing 100 litres of wine,10 litres are drawn out and an equal amount of water is added. From the mixture,10 litres is again drawn out and same quantity of water is added. What is the final ratio of wine and water? a) 91 : 9 b) 81 : 19 c) 80 : 20 d) 90 : 10 e) None of these

Last Answer : Quantity of wine after two replacements = 100 l × (90/100)2 =81 l Required ratio = 81 : ( 100 – 81 )= 81 : 19 Answer: b)

Cement containing excess amount of lime (1) cracks during setting (2) becomes more strong (3) is slow setting (4) is quick setting

Description : Cement containing excess amount of lime (1) cracks during setting (2) becomes more strong (3) is slow setting (4) is quick setting 

Last Answer :  cracks during setting