. __________ present in coal is not determined in its ultimate analysis. (A) Fixed carbon (B) Total carbon (C) Hydrogen (D) Nitrogen

. __________ present in coal is not determined in its ultimate analysis.
(A) Fixed carbon
(B) Total carbon
(C) Hydrogen
(D) Nitrogen
by

1 Answer

Answer :

(A) Fixed carbon
by

Related questions

Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen (C) Carbon, sulphur, volatile matter & ash (D) Carbon, volatile matter, ash & moisture

Description : Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen (C) Carbon, sulphur, volatile matter & ash (D) Carbon, volatile matter, ash & moisture

Last Answer : (A) Carbon, hydrogen, nitrogen & sulphur

Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen(C) Carbon, sulphur, volatile matter & ash(D) Carbon, volatile matter, ash & moisture

Description : Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen (C) Carbon, sulphur, volatile matter & ash (D) Carbon, volatile matter, ash & moisture

Last Answer : (C) Carbon, sulphur, volatile matter & ash

Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture, volatile matter, ash & fixed carbon (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Description : Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture, volatile matter, ash & fixed carbon (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Last Answer : (B) Moisture, volatile matter, ash & fixed carbon

Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture & volatile matter (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Description : Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture & volatile matter (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Last Answer : (B) Moisture & volatile matter

The ratio of % total carbon obtained in the ultimate analysis of coke and % fixed carbon obtained in the proximate analysis is always (A) 1 (B) < 1 (C) > 1

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Last Answer : (C) > 1

__________ of the coal is the basis for Seylor's coal classification. (A) Proximate analysis (B) Ultimate analysis (C) Caking index (D) Calorific value

Description : __________ of the coal is the basis for Seylor's coal classification. (A) Proximate analysis (B) Ultimate analysis (C) Caking index (D) Calorific value

Last Answer : (B) Ultimate analysis

Fixed carbon in coal is defined as (A) That present in volatile matters (B) The total quantity of carbon present in the coal (C) Hundred minus the percentage of volatile matter, ash and moisture (D) The one which is present in the residue after combustion

Description : Fixed carbon in coal is defined as (A) That present in volatile matters (B) The total quantity of carbon present in the coal (C) Hundred minus the percentage of volatile matter, ash and moisture (D) The one which is present in the residue after combustion

Last Answer : (C) Hundred minus the percentage of volatile matter, ash and moisture

State the difference between ultimate and proximate analysis of coal ?

Description : State the difference between ultimate and proximate analysis of coal ?

Last Answer : In ultimate analysis, chemical determination of following elements is made by weight: Fixed and combined carbon, H, O, N, S, water and ash. Heating value is due to C, H and S. In ... Moisture, volatile matter, fixed carbon and ash. Heating value is due to fixed carbon and volatile matter.

Which two elements have same percentage in proximate and ultimate analysis of coal?

Description : Which two elements have same percentage in proximate and ultimate analysis of coal?

Last Answer : Moisture and ash.

Ultimate analysis of coal is elementary analysis. What it is concerned with ?

Description : Ultimate analysis of coal is elementary analysis. What it is concerned with ?

Last Answer : Carbon, hydrogen, nitrogen, and sulphur in coal on a weight percentage basis.

Explain higher and lower calorific value of a coal having following composition by mass Carbon 81%,Hydrogen 7%, Oxygen 8%,Nitrogen 2.5%, sulphur 1.5% and remaining is ash

Description : Explain higher and lower calorific value of a coal having following composition by mass Carbon 81%,Hydrogen 7%, Oxygen 8%,Nitrogen 2.5%, sulphur 1.5% and remaining is ash

Last Answer : Carbon C = 81% = 0.81 Hydrogen = H2 = 7% = 0.07 Oxygen = O2 = 8% = 0.08 Nitrogen = N = 2.5% = 0.025 Sulphur = S =1.5% = 0.015 Ash = 2.5% = 0.025 Dulong's formula: H.C.V. of coal = 33800 C + 144500 ... = H.C.V.- 9H2 x 2442 KJ / Kg = 36187.5- 9 x 0.07 x 2442 L.C.V. of coal = 34649.04 KJ / Kg 

The difference between total carbon and fixed carbon of coal will be minimum in case of (A) Lignite (B) Bituminous coal (C) Anthracite (D) High temperature coke (V.M < 0.5%)

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Last Answer : (D) High temperature coke (V.M < 0.5%)

A coal with high __________ content, would ignite most easily. (A) Fixed carbon (B) Volatile matter (C) Ash (D) Oxygen

Description : A coal with high __________ content, would ignite most easily. (A) Fixed carbon (B) Volatile matter (C) Ash (D) Oxygen

Last Answer : (B) Volatile matter

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Description : The long -run ultimate effectiveness of promotion is determined by the degree to which: A)the target market is informed about the product. B)consumers agree with the promotional message. C)the total market is educated about the product's uses. D)it moves buyers closer to adopting a product.

Last Answer : D)it moves buyers closer to adopting a product.

In nylon-6, the number 6 represents the total number of (A) Carbon atoms in the ring (B) Carbon atoms in the linear polymer chain (C) Nitrogen atoms in the ring (D) Hydrogen atoms in the ring

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Last Answer : (B) Carbon atoms in the linear polymer chain

__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section. (A) Nitrogen (B) Hydrogen (C) Helium (D) Carbon dioxide

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Last Answer : (A) Nitrogen

Of all the gases present in the air, which one of the following is the highest in percentage? (a) Carbon dioxide (b) Hydrogen (c) Nitrogen (d) Oxygen

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Last Answer : Ans:(c)

Which of the following elements is not present in a nitrogenous base? (a) Hydrogen (b) Carbon (c) Phosphorus (d) Nitrogen

Description : Which of the following elements is not present in a nitrogenous base? (a) Hydrogen (b) Carbon (c) Phosphorus (d) Nitrogen

Last Answer : (c) Phosphorus

In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Description : In low temperature carbonisation of coal as compared to high temperature carbonisation __________ produced is less. (A) Difference in gross & net calorific value of the coke oven gas (B) Free carbon content in tar (C) Yield percentage of coke (D) Yield of ammonia present in coke oven gas

Last Answer : (A) Difference in gross & net calorific value of the coke oven gas

With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected. (A) Impact strength (B) Percent elongation (C) Hardness (D) Both 'b' & 'c'

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Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in (A) KOH (B) Ammoniacal cuprous chloride (C) Pyrogallol solution(D) None of these

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Fussain (A) Is friable, charcoal like substance(B) Has highest fixed carbon and lowest volatile matter content of all the four banded components of coal (C) Is non-coking, but when blended with highly coking coal, controls its swelling and produces high strength coke on carbonisation (D) All (A), (B) and (C)

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

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Last Answer : (D) Calorific value of natural gas is more than that of LPG

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Last Answer : (C) Both (A) and (B)

Ratio of primary air to secondary air increases with increase in the rank of coal, because the (A) High rank coals have higher amount of volatile matter (B) Ratio of fixed carbon to volatile matter increases (C) Oxygen content progressively decreases (D) Calorific value of the coal increases

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Last Answer : (A) Fixed carbon and having a heat value of 13, 200 BTU/1b

A coal having high ratio of volatile matter to fixed carbon as compared to a coal having low ratio of volatile matter to fixed carbon (A) Is less liable to spontaneous combustion on storage (B) Is more difficult to ignite and produces a shorter flame (C) Requires smaller combustion space and less secondary air (D) None of these

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Last Answer : (D) None of these

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