Which one of the following has the highest fuel value? (1) Hydrogen (2) Charcoal (3) Natural gas (4) Gasoline

Which one of the following has the highest fuel value? (1) Hydrogen (2) Charcoal (3) Natural gas (4) Gasoline
by

1 Answer

Answer :

(1) Hydrogen Explanation: Hydrogen has the highest calorific value of (141,790 KJ/kg ) thus have highest fuel value. Calorific value of charcoal, natural gas and gasoline are (29,600; 43,000; 47,300 kJ/ kg) respectively.
by
selected

Related questions

Which of the following is a primary fuel? (A) Blast furnace coke (B) Gasoline (C) Natural gas (D) Wood charcoal

Description : Which of the following is a primary fuel? (A) Blast furnace coke (B) Gasoline (C) Natural gas (D) Wood charcoal

Last Answer : (C) Natural gas

Carbon/hydrogen ratio (by weight) is maximum (out of following) for (A) Gasoline (B) Kerosene (C) Light gas oil (D) Heavy fuel oil

Description : Carbon/hydrogen ratio (by weight) is maximum (out of following) for (A) Gasoline (B) Kerosene (C) Light gas oil (D) Heavy fuel oil

Last Answer : (A) Gasoline

Which among the following has the highest flue gas loss on combustion due to Hydrogen in the fuel? a) natural gas b) furnace oil c) coal d) light diesel oil

Description : Which among the following has the highest flue gas loss on combustion due to Hydrogen in the fuel? a) natural gas b) furnace oil c) coal d) light diesel oil

Last Answer : a) natural gas

Visbreaking (A) Uses natural gas as feed (B) Is carried out at atmospheric pressure (C) Produces fuel oil of lower viscosity (D) Produces gasoline only

Description : Visbreaking (A) Uses natural gas as feed (B) Is carried out at atmospheric pressure (C) Produces fuel oil of lower viscosity (D) Produces gasoline only

Last Answer : (C) Produces fuel oil of lower viscosity

Volvo Researchs Gasoline To Make Hydrogen For Fuel Cell?

Description : Volvo Researchs Gasoline To Make Hydrogen For Fuel Cell?

Last Answer : Volvo has a concept car, the C30, which is a plug-in electric vehicle. The range is 94 miles. Volvo is researching adding a fuel cell which would extend the range another 155 miles. To ... first glance. The process has an 85 percent efficiency rate and eliminates the need for hydrogen fuel stations.

The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Description : The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Last Answer : Ans:(a)

Which of the following has maximum hydrogen/carbon ratio (by weight)? (A) Naphtha (B) Gasoline (C) Diesel (D) Fuel oil

Description : Which of the following has maximum hydrogen/carbon ratio (by weight)? (A) Naphtha (B) Gasoline (C) Diesel (D) Fuel oil

Last Answer : (B) Gasoline

Which of the following fuel gases has the highest calorific value? (A) Natural gas (B) Coal bed methane (CBM) (C) Liquefied petroleum gas (LPG) (D) Sewage gas

Description : Which of the following fuel gases has the highest calorific value? (A) Natural gas (B) Coal bed methane (CBM) (C) Liquefied petroleum gas (LPG) (D) Sewage gas

Last Answer : (C) Liquefied petroleum gas (LPG)

Laboratory gas is obtained by the cracking of (A) Gasoline (B) Diesel (C) Fuel oil (D) Kerosene

Description : Laboratory gas is obtained by the cracking of (A) Gasoline (B) Diesel (C) Fuel oil (D) Kerosene

Last Answer : (D) Kerosene

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

Pick out the wrong statement: (A) Carburetted water gas is also called blue gas (B) Coals are divided in four species according to their carbon content in Seylor's classification (C) Carbonisation time in a by-product coke oven is about 16 hours (D) Gross and net calorific value of a fuel is the same, if it does not contain hydrogen or hydrocarbons

Description : Pick out the wrong statement: (A) Carburetted water gas is also called blue gas (B) Coals are divided in four species according to their carbon content in Seylor's classification (C) Carbonisation time ... and net calorific value of a fuel is the same, if it does not contain hydrogen or hydrocarbons

Last Answer : (A) Carburetted water gas is also called blue gas

Why has the U.S. never exploited its abundance of natural gas to use as a replacement for gasoline?

Description : Why has the U.S. never exploited its abundance of natural gas to use as a replacement for gasoline?

Last Answer : It’s easier to take candy from other kids because when no one has any, you still do.

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)

. The condensate obtained on compression of wet natural gas is termed as (A) Liquefied natural gasoline (B) Natural gasoline (C) Liquid natural gas (D) None of these

Description : . The condensate obtained on compression of wet natural gas is termed as (A) Liquefied natural gasoline (B) Natural gasoline (C) Liquid natural gas (D) None of these

Last Answer : (B) Natural gasoline

Natural gasoline is produced (A) From oil wells (B) In oil refineries (C) By natural gas stripping (D) None of these

Description : Natural gasoline is produced (A) From oil wells (B) In oil refineries (C) By natural gas stripping (D) None of these

Last Answer : (C) By natural gas stripping

Casing head gasoline is the liquid(A) Butane(B) Propane(C) Natural gas(D) Gasoline separated from wet natural gas by compression

Description : Casing head gasoline is the liquid (A) Butane (B) Propane (C) Natural gas (D) Gasoline separated from wet natural gas by compression

Last Answer : (A) Butane

Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. (A) Polymer (B) Unleaded (C) Casing head (D) Straight run

Description : Gasoline extracted from natural gas (by compression and cooling) is called the __________ gasoline. (A) Polymer (B) Unleaded (C) Casing head (D) Straight run

Last Answer : (B) Unleaded

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 one of the following gases has the highest calorific value? (1) Natural gas (2) Water gas (3) Coal gas (4) Indane gas

Description : Which one of the following gases has the highest calorific value? (1) Natural gas (2) Water gas (3) Coal gas (4) Indane gas

Last Answer : (4) Indane gas Explanation: The basic calorific value for solid and liquid fuels is the gross calorific value at constant volume and for gaseous fuels it is the gross calorific value at constant pressure. The ... Water gas: 4600-4800; and LPG (liquefied petroleum gas such as Indane): 11,900 Kcal/Kg.

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 one of the following gases has the highest calorific value? (1) Natural gas (2)Water gas (3) Coal gas (4)Indane gas

Description : Which one of the following gases has the highest calorific value? (1) Natural gas (2)Water gas (3) Coal gas (4)Indane gas

Last Answer : Indane gas

Which of the following is not a manufactured fuel? (A) Coke breeze (B) Soft coke (C) Colloidal fuels (D) Charcoal

Description : Which of the following is not a manufactured fuel? (A) Coke breeze (B) Soft coke (C) Colloidal fuels (D) Charcoal

Last Answer : (A) Coke breeze

Why is diesel fuel more expensive than gasoline?

Description : Why is diesel fuel more expensive than gasoline?

Last Answer : It used to be half the price of normal gas. I don’t know why it jumped so high?

How to save fuel in a car, gasoline.

Description : Does the way you drive affect consumption? If I drive faster, if more a woman the engine revs, if I shift in time. Do you think that you can save on petrol with the right ride?

Last Answer : Definitely the way you drive affects consumption. For example, a driver who drives brake-accelerator will not save much, on the contrary. I drive smoothly, I shift in time, my tires are properly inflated, I ... to reduce, even at the cost of a fine, if DP puts me under good visibility headlights on.

Do fuel efficient cars typically use higher octane gasoline?

Description : Do fuel efficient cars typically use higher octane gasoline?

Last Answer : No, higher octane fuel is only necessary for higher performance cars. Highly efficient cars can usually use the lowest octane fuels, because they are not designed for performance.

Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline

Description : Which of the following is the lightest and most volatile liquid fuel A. diesel B. kerosene C. fuel oil D. gasoline

Last Answer : ANSWER : D

Which of the following statement is not correct with respect to alcohols as alternate fuel in IC engines a) anti-knock characteristics of alcohol is poor b) alcohol contains about half the heat energy of gasoline/litre c) alcohol does not vaporize as easily as gasoline d) alcohols are corrosive in nature

Description : Which of the following statement is not correct with respect to alcohols as alternate fuel in IC engines a) anti-knock characteristics of alcohol is poor b) alcohol contains about half the heat ... /litre c) alcohol does not vaporize as easily as gasoline d) alcohols are corrosive in nature

Last Answer : Answer: a Explanation: Anti-knock characteristics of alcohol is good.

Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil

Description : Which of the following is the lightest and most volatile liquid fuel? a. diesel b. kerosene c. gasoline d. fuel oil

Last Answer : ANSWER c. gasoline

A supercharger is used to compress a. air b. gasoline c. fuel oil d. all of the above

Description : A supercharger is used to compress a. air b. gasoline c. fuel oil d. all of the above

Last Answer : ANSWER a. air

Use of gasoline blend like tetraethyl lead in internal combustion engine a. increases the octane rating of the fuel b. allows engine to operate at higher compression ratio c. avoids auto-ignition of fuel d. all of the above

Description : Use of gasoline blend like tetraethyl lead in internal combustion engine a. increases the octane rating of the fuel b. allows engine to operate at higher compression ratio c. avoids auto-ignition of fuel d. all of the above

Last Answer : ANSWER d. all of the above

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)

Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene

Description : Visbreaking process is used mainly for making (A) High cetane diesel (B) High octane gasoline (C) Fuel oil (D) Smoke free kerosene

Last Answer : (C) Fuel oil

The most commonly used feed stock for the reforming reactor is (A) Heavy fuel oil (B) Residuum (C) Straight run gasoline (D) Casing head gasoline

Description : The most commonly used feed stock for the reforming reactor is (A) Heavy fuel oil (B) Residuum (C) Straight run gasoline (D) Casing head gasoline

Last Answer : (C) Straight run gasoline

Which of the following is the lightest and most volatile liquid fuel?  A.Gasoline  B.Kerosene  C.Fuel oil

Description : Which of the following is the lightest and most volatile liquid fuel?  A.Gasoline  B.Kerosene  C.Fuel oil

Last Answer : Answer: A

Explain any two engine modifications and two fuel modifications to control emission from gasoline engine.

Description : Explain any two engine modifications and two fuel modifications to control emission from gasoline engine. 

Last Answer : Methods used for improving the exhaust emission under the engine design modification are 1. Use of leaner air-fuel ratios: The carburetor may be modified to provide relatively lean air ... Fuel Volatility: Fuel volatility is compromise of high volatility and low volatility to control the pollution

Describe four properties of gasoline as a fuel for SI engine

Description : Describe four properties of gasoline as a fuel for SI engine

Last Answer : Volatility: volatility depend upon fractinal composition of fuel. Method of measuring volatility has been standardized by ASTM ( American society of Testing Materials) and the graohical representation ... gasoline to improve the gasoline stability during storage by inhibiting the formation of gums.

Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to volatile matter percentage in coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

Description : Pick out the wrong statement. (A) High concentration of oxygen in flue gas means high stack loss (B) Gaseous fuels require the least % excess air for complete combustion (C) The ratio of fixed carbon to ... coal is called its 'fuel ratio' (D) Calorific value of natural gas is more than that of LPG

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

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)

Description : 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 ... its swelling and produces high strength coke on carbonisation (D) All (A), (B) and (C)

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

What makes natural gas a better fuel than coal ?

Description : What makes natural gas a better fuel than coal ?

Last Answer : Natural gas is a better fuel than coal. This is because the combustion of natural gas produces 30% less CO 2 than oil and 45% less CO 2 than coal . In addition, natural gas does not produce airborne pollutants like coal. So natural gas is a better fuel than coal.

Which of the following statements is true about Methane? (1) It is widely used as a fuel. (2) It is a major component of bio-gas and Compressed Natural Gas. (3) It has a formula CH4. (4) All of the above

Description : Which of the following statements is true about Methane? (1) It is widely used as a fuel. (2) It is a major component of bio-gas and Compressed Natural Gas. (3) It has a formula CH4. (4) All of the above

Last Answer : (4) All of the above Explanation: All the statements mentioned above are correct. Furthermore, Hydrogen has a valency of 1 while Carbon has four valence electrons. In order to achieve ... , carbon shares these electrons with four atoms of hydrogen resulting in formation of methane- CH4.

Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and can absorb both ultraviolet & visible light (C) Hydrocarbon pollutants are produced by sweet gum, oak & natural rubber trees (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Description : Pick out the wrong statement. (A) Benzopyrene which causes cancer is present in traces in tobacco, charcoal & petrol driven automobile exhaust (B) NO2 is capable of penetrating the troposphere and ... at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

Last Answer : (D) H2S is not at all produced during combustion of sulphur bearing fuels as all the sulphur is oxidised to SO2

A mixture of carbon monoxide and hydrogen is called - (1) Producer gas (2) Water gas (3) Natural gas (4) None

Description : A mixture of carbon monoxide and hydrogen is called - (1) Producer gas (2) Water gas (3) Natural gas (4) None

Last Answer : (2) Water gas Explanation: Water gas is a synthesis gas, containing carbon monoxide and hydrogen. It is a useful product but requires careful handling due to its flammability and the risk of carbon monoxide poisoning.

Which of the following is the best description of propane, CH3CH2CH3, at room temperature? (a) liquid, soluble in H2O (b) gas, soluble in gasoline (c) liquid, soluble in gasoline (d) gas, soluble in water

Description : Which of the following is the best description of propane, CH3CH2CH3, at room temperature? (a) liquid, soluble in H2O (b) gas, soluble in gasoline (c) liquid, soluble in gasoline (d) gas, soluble in water

Last Answer : gas, soluble in gasoline

The heat value of combustion of Gasoline is - (1) 12600 kJ/kg (2) 14600 kJ/kg (3) 39400 kJ/kg (4) 47000 kJ/kg

Description : The heat value of combustion of Gasoline is - (1) 12600 kJ/kg (2) 14600 kJ/kg (3) 39400 kJ/kg (4) 47000 kJ/kg

Last Answer : (4) 47000 kJ/kg Explanation: The calorific value of Gasoline is 47,300 kJ/kg. The calorific value of a fuel is the quantity of heat produced by its combustion - at constant pressure and under "normal" conditions (i.e. to 0°C and under a pressure of 1,013 mbar).

The heat value of combustion of Gasoline is (1) 12600 kJ/kg (2) 14600 kJ/kg (3) 39400 kJ/kg (4) 47000 kJ/kg

Description : The heat value of combustion of Gasoline is (1) 12600 kJ/kg (2) 14600 kJ/kg (3) 39400 kJ/kg (4) 47000 kJ/kg

Last Answer : 47000 kJ/kg

Which of the following categories of gasoline has the highest lead susceptibility? (A) Straight run gasoline (B) Platinum reformed gasoline (C) Catalytical cracked gasoline (D) Polymer gasoline

Description : Which of the following categories of gasoline has the highest lead susceptibility? (A) Straight run gasoline (B) Platinum reformed gasoline (C) Catalytical cracked gasoline (D) Polymer gasoline

Last Answer : (A) Straight run gasoline

Which of the following gaseous fuels is likely to have the highest gross calorific value? (A) Sewage gas (B) LPG (C) Producer gas (D) Natural gas

Description : Which of the following gaseous fuels is likely to have the highest gross calorific value? (A) Sewage gas (B) LPG (C) Producer gas (D) Natural gas

Last Answer : (B) LPG

Which of the following fuels has the highest calorific value per unit mass (kcal/kg)? (A) Coal (B) Kerosene (C) Natural gas (D) Furnace oil

Description : Which of the following fuels has the highest calorific value per unit mass (kcal/kg)? (A) Coal (B) Kerosene (C) Natural gas (D) Furnace oil

Last Answer : (D) Furnace oil

Which of the following has the highest calorific value (kcal/Nm3 )? (A) Carburetted water gas (B) Gobar gas (C) Natural gas (D) LPG

Description : Which of the following has the highest calorific value (kcal/Nm3 )? (A) Carburetted water gas (B) Gobar gas (C) Natural gas (D) LPG

Last Answer : (D) LPG

Which of the following gaseous fuels has the highest net calorific value (kcal/Nm3 )? (A) Producer gas (B) Carburetted water gas (C) Natural gas (D) Liquefied petroleum gas

Description : Which of the following gaseous fuels has the highest net calorific value (kcal/Nm3 )? (A) Producer gas (B) Carburetted water gas (C) Natural gas (D) Liquefied petroleum gas

Last Answer : (D) Liquefied petroleum gas