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

1 Answer

Answer :

(A) Lubricating oil > diesel > petrol > LPG

Related questions

Description : Which one of the following petroleum refinery products has the lowest boiling point? (1) Kerosene (2) Gasoline (3) Diesel (4) Lubricating oil

Last Answer : (4) Lubricating oil Explanation: Lubricating oil is the most commonly used lubricant because of its wide range of possible applications. The two basic categories of lube oil are mineral and synthetic.

Description : The average boiling point of aviation turbine fuel is closest to that of (A) Lubricating oils (B) LPG (C) Diesel (D) Kerosene

Last Answer : (D) Kerosene

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

Last Answer : (D) Petrol

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 : LPG stands for (A) Liquid petroleum gas (B) Liquefied petrol gas (C) Liquid petrol gas (D) Liquefied petroleum gas

Last Answer : (D) Liquefied petroleum gas

Description : Liquefied Petroleum Gas (LPG) is mainly a mixture of (A) Propane & butane (B) Methane & ethane (C) High boiling olefins (D) High boiling naphthenes

Last Answer : (A) Propane & butane

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

Last Answer : (C) Kerosene

Description : Mercaptans are (A) Low boiling sulphur compounds (B) Added in LPG cylinders to detect gas leakage by its smell (C) Undesirable in petrol, as they reduce its octane number (D) All (A), (B) and (C)

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

Description : Aniline point is the (A) Characteristic property of diesel & lubricating oils (B) Measure of aromatic content of oil (C) Both (A) and (B) (D) Neither (A) nor (B)

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

Description : Pour point and freezing point is equal for (A) Petrol (B) Diesel (C) Water (D) Crude petroleum

Last Answer : (C) Water

Description : Crude oil is subjected to vacuum distillation in the last stage, because (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose (B) Lighter/low ... prone to thermal decomposition (C) High purity products can be obtained thereby (D) None of these

Last Answer : (A) High boiling point products like heavy fuel oil & lubricating oils are heat sensitive and may decompose

Description : Why consumption of lubricating oil is more in two-stroke cycle petrol engine than four-stroke cycle petrol engine ?

Last Answer : In two-stroke engine lub oil is mixed with petrol and thus some lub oil is blown out through the exhaust valves by scavenging and charging air. There is no such wastage in four stroke petrol engine.

Description : Pick out the wrong statement. (A) LPG is also used as fuel for automobiles & small furnaces and for cutting & welding of metals (B) The minimum temperature, at which a petroleum oil vapor catches ... about 30-50 Nm3 of gas (D) Maximum yield of naphthalene is obtained on distillation of crude oil

Last Answer : (B) The minimum temperature, at which a petroleum oil vapor catches fire and continues to burn, is called its flash point

Description : Which of the following medium is compressed in a diesel engine cylinder? a. air b. air and fuel c. air and lubricating oil d. fuel

Last Answer : ANSWER a. air

Description : Coast Guard Regulations (46 CFR) require that the emergency diesel generator engine shut down when _____________. A. lubricating oil pressure is lost B. the engine overspeeds dangerously C. fixed CO2 is released into the emergency diesel generator space D. all of the above

Last Answer : Answer: D

Description : Octane number is related to (a) Gasoline (b) Kerosene oil (c) Diesel oil (d) Lubricating oi

Last Answer : Gasoline

Description : Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API)? (A) Diesel (B) Gasoline (C) Atmospheric gas oil (D) Vacuum gas oil

Last Answer : (C) Atmospheric gas oil

Description : Which temperature for a lubricating oil will be lowest ? (A) Flash point (B) Fire point (C) Pour point (D) Boiling

Last Answer : Ans: C

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 : 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 : The catalytic cracking of heavier petroleum fraction is done to produce mainly (A) Gasoline (B) Asphalt (C) Diesel oil (D) Tar

Last Answer : (C) Diesel 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 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 : 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

Last Answer : (B) Fuel oil

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

Last Answer : (D) Fuel oil

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 : 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 : 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)

Description : Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of (A) Propane & butane (B) Butane & ethane (C) Methane & ethane (D) Methane & carbon monoxide

Last Answer : (A) Propane & butane

Description : Mercaptans are added to liquefied petroleum gas (LPG) to (A) Reduce its cost (B) Narrow down its explosion limit (C) Assist in checking its leakage from cylinder (D) Increase its calorific value

Last Answer : (C) Assist in checking its leakage from cylinder

Description : Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c). (A) One fourth (B) One third (C) Half (D) One eighth

Last Answer : (C) Half

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)

Description : 'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and (A) Petrol (B) LPG (C) Light hydrocarbon gases (e.g. butane or propane) (D) None of these

Last Answer : (A) Petrol

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 : 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 : Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of (A) Thermal cracking (B) Gum formation (C) Coking (D) Discoloration

Last Answer : (C) Coking

Description : What petroleum fractions is used in road construction?

Last Answer : Coal

Description : Ultracentrifuges running at speeds upto 100000 rpm is normally used for the (A) Separation of isotopes based on their density or molecular weights difference (B) Concentration of rubber latex (C) Separation of cream from milk (D) Dewaxing of lubricating oil

Last Answer : (A) Separation of isotopes based on their density or molecular weights difference (B) Conc

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

Last Answer : (C) Naphtha

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas (LPG) is a type of gas that is compressed for use as a fuel in vehicles.

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas (LPG) is a mixture of propane and butane that's stored in a compressed liquid state and can be used as a fuel in certain types of engines.

Description : What is liquefied petroleum gas (LPG)?

Last Answer : Liquefied petroleum gas

Last Answer : Petroleum contains 2% LPG .

Description : Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? (1) Methane (2) Ethane (3) Propane (4) Butane

Last Answer : Butane

Description : Can LPG be used in any petrol engine?

Last Answer : No, not all petrol engines are designed to run on LPG. Vehicles must be equipped with a special LPG conversion kit in order to use LPG as a fuel.

Description : What are the recognized systems for pre heating of rails ends for AT Welding? (i) Oxygen –LPG & Compressed air petrol both* (ii) Only Oxygen –LPG (iii) Only Compressed air petrol both (iv) both are correct

Last Answer : ) Oxygen –LPG & Compressed air petrol both*

Description : Which one of the following has highest calorific value? a) kerosene b)biogas c)LPG d)petrol

Last Answer : c)LPG

Description : LPG is used as a fuel for petrol engine. Justify your answer.

Last Answer : LPG is used as a fuel for petrol engine, because of its following advantages  1. It is cheaper than petrol 2. It is highly detonation resistant and does not pre-ignite easily. 3. It gives ... modified. LPG kits are readily available (even for MPFI engines) and the kit cost is mostly affordable. 

Description : Viscosity index of a lubricating oil (A) Is the measure of its flash point (B) Is the measure of variation of viscosity with temperature (C) Should be low (D) None of these

Last Answer : (B) Is the measure of variation of viscosity with temperature