Orsat apparatus(A) Gives flue gas analysis on dry basis (B) Determines N2 in flue gas indirectly (C) Can’t determine CO in flue gas, if it is < 0.2% (D) All (A), (B) & (C)

Orsat apparatus
(A) Gives flue gas analysis on dry basis
(B) Determines N2
in flue gas indirectly
(C) Can’t determine CO in flue gas, if it is < 0.2%
(D) All (A), (B) & (C)
by

1 Answer

Answer :

(D) All (A), (B) & (C)
by

Related questions

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion (B) Nitrogen percentage in the fuel is very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Description : Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that (A) Pure oxygen has been used for combustion ... very high (C) Excess air has been used for combustion (D) Hydrogen is not present in the fuel

Last Answer : (C) Excess air has been used for combustion

Orsat apparatus is meant for (A) Gravimetric analysis of flue gas (B) Finding out combustion efficiency (C) Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride (D) None of these

Description : Orsat apparatus is meant for (A) Gravimetric analysis of flue gas (B) Finding out combustion efficiency (C) Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride (D) None of these

Last Answer : (D) None of these

If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as (A) O2 (B) CO (C) N2 (D) SO2

Description : If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as (A) O2 (B) CO (C) N2 (D) SO2

Last Answer : (D) SO2

A sample of natural gas containing 80% methane (CH4 ) and rest nitrogen (N2 ) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is (A) CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60 (B) CO2 : 7.42, CO : 1.86, O2 : 4.64, N2 :86.02 (C) CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2 :72.06 (D) CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

Description : A sample of natural gas containing 80% methane (CH4 ) and rest nitrogen (N2 ) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is (A) CO2 : 6 ... 96, N2 :72.06 (D) CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

Last Answer : (B) CO2 : 7.42, CO : 1.86, O2 : 4.64, N2 :86.02

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

Description : 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

Last Answer : (D) None of these

The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively (A) CO2 , O2 , CO (B) CO, O2 , CO2 (C) CO2 , CO, O2

Description : The sequence of absorption in flue gas analysis by Orsat's apparatus is respectively (A) CO2 , O2 , CO (B) CO, O2 , CO2 (C) CO2 , CO, O2

Last Answer : (A) CO2 , O2 , CO

The pyrogallol solution used in Orsat apparatus can absorb (A) Only O2 (B) Both O2 and CO2 (C) Both O2 and CO (D) All CO, CO2 , and O2

Description : The pyrogallol solution used in Orsat apparatus can absorb (A) Only O2 (B) Both O2 and CO2 (C) Both O2 and CO (D) All CO, CO2 , and O2

Last Answer : (B) Both O2 and CO2

The cuprous chloride used in orsat apparatus can absorb (A) Only CO (B) Both CO and CO2(C) Both CO and O2(D) All CO, CO2, and O2

Description : The cuprous chloride used in orsat apparatus can absorb (A) Only CO (B) Both CO and CO2 (C) Both CO and O2 (D) All CO, CO2 , and O2

Last Answer : (D) All CO, CO2 , and O2

In flue gas analysis by Orsat's apparatus, oxygen is absorbed by (A) Potassium hydroxide (B) Cuprous chloride (C) Alkaline pyrogallol solution

Description : In flue gas analysis by Orsat's apparatus, oxygen is absorbed by (A) Potassium hydroxide (B) Cuprous chloride (C) Alkaline pyrogallol solution

Last Answer : (C) Alkaline pyrogallol solution

In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution

Description : In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution

Last Answer : (A) Potassium hydroxide

In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by (A) Cuprous chloride (B) Potassium hydroxide (C) Alkaline pyrogallol solution (D) None of these

Description : In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by (A) Cuprous chloride (B) Potassium hydroxide (C) Alkaline pyrogallol solution (D) None of these

Last Answer : (A) Cuprous chloride

KOH solution used in Orsat apparatus absorbs (A) CO2 (B) SO2 (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : KOH solution used in Orsat apparatus absorbs (A) CO2 (B) SO2 (C) Both (A) & (B) (D) Neither (A) nor (B)

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

When incomplete combustion loss is high, the flue gas analysis shows large amount of (A) CO2 (B) CO (C) O2 (D) C

Description : When incomplete combustion loss is high, the flue gas analysis shows large amount of (A) CO2 (B) CO (C) O2 (D) C

Last Answer : (B) CO

The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be (A) 27.6 (B) 23 (C) 47.3 (D) 42.9

Description : The average molecular weight of a flue gas having the composition by volume as CO2 = 25%, O2 = 25%, N2 = 50% will be (A) 27.6 (B) 23 (C) 47.3 (D) 42.9

Last Answer : (B) 23

Scaling of furnace stock is reduced by __________ in flue gas. (A) CO (B) H2 (C) High CO/CO2 (D) All (A), (B) & (C)

Description : Scaling of furnace stock is reduced by __________ in flue gas. (A) CO (B) H2 (C) High CO/CO2 (D) All (A), (B) & (C)

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

Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain (A) CO (B) CO2 (C) H2O (D) Both (B) & (C)

Description : Flue gas obtained on complete combustion of pure acetylene (a hydrocarbon fuel) will contain (A) CO (B) CO2 (C) H2O (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO2 , 20%CO and 10%O2 . The percent excess oxygen used is (A) 20 (B) 12.5 (C) 0 (D) 10

Description : Pure carbon is completely burnt in oxygen. The flue gas analysis is 70%CO2 , 20%CO and 10%O2 . The percent excess oxygen used is (A) 20 (B) 12.5 (C) 0 (D) 10

Last Answer : (C) 0

. Water gas constitutes mainly of (A) CO & H2 (B) CO & N2 (C) CO2 & H2 (D) CH4 & H2

Description : . Water gas constitutes mainly of (A) CO & H2 (B) CO & N2 (C) CO2 & H2 (D) CH4 & H2

Last Answer : (A) CO & H2

Gobar gas constitutes mainly of (A) CH4 & CO2 (B) CO & CO2 (C) CH4 & N2 (D) CO & N

Description : Gobar gas constitutes mainly of (A) CH4 & CO2 (B) CO & CO2 (C) CH4 & N2 (D) CO & N

Last Answer : (A) CH4 & CO2

Producer gas comprises mainly of (A) CO & N2 (B) CO & H2 (C) CO2 & N2 (D) CO2 & H2

Description : Producer gas comprises mainly of (A) CO & N2 (B) CO & H2 (C) CO2 & N2 (D) CO2 & H2

Last Answer : (A) CO & N2

Main constituents of purified Lurgi gas are (A) H2 , CmHn & CO2 (B) CO, H2 & CH4 (C) CO2 , O2 & CO (D) N2 , H2 & CO2

Description : Main constituents of purified Lurgi gas are (A) H2 , CmHn & CO2 (B) CO, H2 & CH4 (C) CO2 , O2 & CO (D) N2 , H2 & CO2

Last Answer : (B) CO, H2 & CH4

Blast furnace gas constitutes mainly of (A) N2 & CH4 (B) N2 & H2 (C) N2 & CO (D) CH4 & CO2

Description : Blast furnace gas constitutes mainly of (A) N2 & CH4 (B) N2 & H2 (C) N2 & CO (D) CH4 & CO2

Last Answer : (C) N2 & CO

Synthesis gas' meant for the synthesis of organic compound is a variable mixture of (A) N2 & H2 (B) CO2 & H2 (C) CO & H2 (D) C & H2

Description : Synthesis gas' meant for the synthesis of organic compound is a variable mixture of (A) N2 & H2 (B) CO2 & H2 (C) CO & H2 (D) C & H2

Last Answer : (C) CO & H2

Ostwald charts are meant for (A) Computing the excess/deficiency of combustion air (B) Calculation of flue gas temperature (C) Computation of flue gas analysis (D) None of these

Description : Ostwald charts are meant for (A) Computing the excess/deficiency of combustion air (B) Calculation of flue gas temperature (C) Computation of flue gas analysis (D) None of these

Last Answer : (A) Computing the excess/deficiency of combustion air

The difference between an agent and a broker is that an agent A)is an intermediary, whereas a broker is not. B)represents the seller and a broker represents the buyer. C)determines who the consumers are, whereas the broker does not determine the customers. D)usually represents people on a permanent basis, whereas a broker usually does so on a temporary basis.

Description : The difference between an agent and a broker is that an agent A)is an intermediary, whereas a broker is not. B)represents the seller and a broker represents the buyer. C)determines who the ... D)usually represents people on a permanent basis, whereas a broker usually does so on a temporary basis.

Last Answer : D)usually represents people on a permanent basis, whereas a broker usually does so on a temporary basis.

Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Description : Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

Last Answer : (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive

In order to maintain an oxidising atmosphere in a furnace, it should have (A) More of excess air (B) Less of excess air (C) More of CO in flue gas (D) More of CO2 in flue gas

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Last Answer : (A) More of excess air

If oxygen content in the flue gas rises too high, fuel is being wasted by (A) Incomplete combustion (B) Dry gas/stack gas loss (C) Moisture loss (D) None of these

Description : If oxygen content in the flue gas rises too high, fuel is being wasted by (A) Incomplete combustion (B) Dry gas/stack gas loss (C) Moisture loss (D) None of these

Last Answer : (B) Dry gas/stack gas loss

Protective gas used in the annealing furnace for steel coil comprises of (A) 95% N2 + 5% H2 (B) 5% H2 + 9% N2 (C) 100% CO (D) 100% H2

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Last Answer : (A) 95% N2 + 5% H2

Largest constituent of blast furnace gas is (A) N2 (B) CO (C) CO2 (D) H2

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Last Answer : (A) N2

Largest constituent of coke oven gas is (A) N2 (B) H2 (C) CH4 (D) CO

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Last Answer : (B) H2

The principal gas evolved from sludge digestion tank is (A) CO(B) CO2 (C) CH4 (D) N2

Description : The principal gas evolved from sludge digestion tank is (A) CO (B) CO2 (C) CH4 (D) N2

Last Answer : (C) CH4

Producer gas consists mainly of (A) CO, CO2 N2 , H2 (B) CO, H2 (C) H2 , CH4 (D) C2H2 , CO2 , H2

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Last Answer : (A) CO, CO2 N2 , H2

Synthesis gas is a mixture of (A) CO and H2 (B) N2 and H2 (C) H2 , CH4 and CO (D) CO2 and H2

Description : Synthesis gas is a mixture of (A) CO and H2 (B) N2 and H2 (C) H2 , CH4 and CO (D) CO2 and H2

Last Answer : (A) CO and H2

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

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Last Answer : Combustion analyzer

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