Which of the following has the highest viscosity of all (at a given
temperature)?
(A) Naphtha
(B) Fuel oil
(C) Light diesel oil
(D) Petrol

1 Answer

Answer :

(B) Fuel oil

Related questions

Description : Which of the following has the lowest viscosity (at a given temperature) of all? (A) Naphtha (B) Kerosene (C) Diesel (D) Lube oil

Last Answer : (A) Naphtha

Description : Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C? (A) Naphtha (B) Petrol (C) Kerosene (D) Heavy fuel oil

Last Answer : (D) Heavy 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

Description : Which is the most ideal feed stock for 'coking' process used for the manufacture of petroleum coke? (A) Naphtha (B) Vacuum residue (C) Light gas oil (D) Diesel

Last Answer : (B) Vacuum residue

Description : The self-ignition temperature of diesel oil compared to petrol is a. higher b. lower c. same d. depends on the quality of fuel

Last Answer : ANSWER a. higher

Description : Which of the following contains maximum sulphur? (A) Diesel (B) Petrol (C) Kerosene (D) Fuel oil

Last Answer : (D) Fuel oil

Description : Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of (A) Brass (B) Copper (C) High carbon steel (D) Aluminium

Last Answer : (A) Brass

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

Description : Which of the following is the most suitable feed for platforming process (reforming)? (A) Olefinic hydrocarbon (B) Naphtha (C) Fuel oil (D) Atmospheric residue

Last Answer : (A) Olefinic hydrocarbon

Description : Which of the following is not endothermic in nature? (A) Combustion of sulphur (B) Gasification of carbon (C) Thermal cracking of fuel oil (D) Steam reforming of naphtha

Last Answer : (A) Combustion of sulphur

Description : Write the values of boiling temperature for cetane(diesel).iso-octane(petrol), Butane, Propane an methane fuel and write effect of it on its system.

Last Answer : Write the values of boiling temperature for cetane(diesel).iso-octane(petrol), Butane, Propane an methane fuel and write effect of it on its system.

Description : Which of the following does not require preheating during storage in the storage tank as well as during atomisation through burners? (A) PCM (B) Tar (C) Light diesel oil (D) Low viscosity furnace oil

Last Answer : (C) Light diesel oil

Description : __________ is used as jet engine fuel. (A) Petrol (B) Diesel (C) Kerosene (D) LPG

Last Answer : (C) Kerosene

Description : Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines? (A) Air filter (B) Fuel injector (C) Exhaust silencer (D) Battery

Last Answer : Option B

Description : Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic (A) Cracking (B) Polymerisation (C) Reforming (D) Isomerisation

Last Answer : (C) Reforming

Description : Cetane number of a diesel fuel is the measure of its (A) Ignition delay (B) Smoke point (C) Viscosity (D) Oxidation stability

Last Answer : (A) Ignition delay

Description : Aniline point is a property of the (A) Diesel (B) LPG (C) Naphtha (D) Gasoline

Last Answer : (C) Naphtha

Description : Which of the following fractions of petroleum contains maximum sulphur? (A) Diesel (B) Gasoline (C) Naphtha (D) Atmospheric residue

Last Answer : (D) Atmospheric residue

Description : Which of the following has the highest flash point of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oi

Last Answer : (D) Furnace oil

Description : In a refinery petroleum crude is fractionated into gas fraction, light ends, intermediate distillates, heavy distillates, residues and by products. The group of products including gas oil, diesel oil and ... the fraction (A) Heavy distillates (B) Intermediate distillates (C) Light ends (D) Residues

Last Answer : (A) Heavy distillates

Description : Which of the following has the maximum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil

Last Answer : (C) Petrol

Description : The proper arrangement of the petroleum fractions in order of their boiling points is (A) Lubricating oil > diesel > petrol > LPG (B) Lubricating oil > petrol > diesel > LPG (C) Petrol > lubricating oil > diesel > LPG (D) Petrol > diesel > LPG > lubricating oil

Last Answer : (A) Lubricating oil > diesel > petrol > LPG

Description : Aromatics are desired constituents of (A) Lubricating oil (B) Diesel (C) Kerosene (D) Petrol

Last Answer : (D) Petrol

Description : Which of the following has the minimum °API gravity of all? (A) Diesel (B) Kerosene (C) Petrol (D) Furnace oil

Last Answer : (D) Furnace oil

Description : Can petrol be used as a replacement for diesel fuel?

Last Answer : Petrol should not be used as a replacement for diesel fuel, as it can cause damage to diesel engines.

Description : What is the difference between petrol and diesel fuel?

Last Answer : Petrol is a lighter, more volatile fuel than diesel fuel, which is a heavier, more viscous fuel.

Description : What is the quality rating for diesel fuel, similar to the octane number for petrol?

Last Answer : Catane number

Description : The specific fuel consumption of a petrol engine compared to diesel engine of same H.P is A. same B.more C. less D. unpredictable

Last Answer : ANSWER : B

Description : A fuel of cetane number 40 has the same ignition quality as a mixture of a) 40% cetane and 60% alpha methyl naphthalene b) 40% alpha methyl naphthalene and 60% cetane c) 40% petrol and 60% diesel d) 40% diesel and 60% petrol

Last Answer : Answer: a Explanation: A fuel of cetane number 40 has the same ignition quality as a mixture of 40% cetane and 60% alpha methyl naphthalene as cetane number is counted on cetane percentage.

Description : A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of a) 75% iso-octane and 25% normal heptane b) 75% normal heptane and 25% iso-octane c) 75% petrol and 25% diesel d) 75% diesel and 25% petrol

Last Answer : Answer: a Explanation: None.

Description : The fuel that is used in modern submarines is – (1) Nuclear fuel (2) Petrol (3) Coal (4) Diesel

Last Answer : (1) Nuclear fuel Explanation: Nuclear power is now used in all large submarines, but due to the high cost and large size of nuclear reactors, smaller submarines still use diesel-electric propulsion. ... needs. The US Navy, drench Navy, and the British Royal Navy operate only nuclear submarines.

Description : Steps taken by the Government of India to control air pollution include (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and ... trucks (d) compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel.

Last Answer : (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons

Description : The fuel that is used in modern submarines is (1) Nuclear fuel (2) Petrol (3) Coal (4) Diesel

Last Answer : Nuclear fuel

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)

Description : Naphtha in a fertiliser plant is used as a source of (A) Fuel (B) H2 (C) N2 (D) O2

Last Answer : (B) H2

Description : LSHS is a type of furnace oil, which (A) Is more viscous than high viscosity furnace oil (HVFO) (B) Stands for low sulphur heavy stock (C) Is an ideal fuel for metallurgical furnaces due to its lower sulphur content (< 1%) (D) All (A), (B) and (C)

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

Description : Which one is preferred for aircraft engine? (A) High viscosity index lube oil (B) Low viscosity index lube oil (C) High freezing point aviation fuel (D) None of these

Last Answer : (A) High viscosity index lube oil

Description : Fuel oil is subjected to visbreaking to reduce its (A) Pour point (B) Viscosity (C) Pressure drop on pumping (D) All (A), (B) and (C

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

Description : Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds). (A) 5 (B) 25 (C) 50 (D) 100

Last Answer : (B) 25

Description : Which of the following is not an important property of fuel oil/furnace oil? (A) Sulphur content (B) Viscosity (C) Aniline point (D) Flash point

Last Answer : (C) Aniline point

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

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

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

Last Answer : (D) Kerosene

Description : Naphtha yield in straight run distillation of crude oil may be about__________ percent. (A) 2 (B) 6 (C) 12 (D) 18

Last Answer : (B) 6

Description : Feed for reforming is generally (A) Naphtha or straight run gasoline (B) Reduced crude (C) Vacuum gas oil

Last Answer : (A) Naphtha or straight run gasoline

Description : Which of the following petroleum products contain minimum sulphur? (A) Naphtha (B) Kerosene (C) LSHS (D) Furnace oil

Last Answer : (A) Naphtha

Description : Which of the following oil gasification processes is non-catalytic? (A) Semet-Solvay process (B) Segas process (C) Onia-Gegi process (D) Steam reforming of naphtha

Last Answer : (A) Semet-Solvay process

Description : . C/H ratio is the minimum in case of (A) Furnace oil (B) Natural gas (C) Coal (D) Naphtha

Last Answer : (B) Natural gas

Description : C/H ratio is the maximum in case of (A) Coal (B) Furnace oil (C) Natural gas (D) Naphtha

Last Answer : (A) Coal

Description : Nickel is not used as a catalyst in the __________ reaction. (A) Shift conversion (B) Oil hydrogenation (C) Steaming reforming of naphtha (D) Ammonia cracking/dissociation

Last Answer : (A) Shift conversion