Description : Bitumen in (A) Solid state, is called asphalt (B) Semi fluid state, is called mineral tar (C) Fluid state, is called petroleum (D) All the above
Last Answer : Answer: Option D
Description : Bitumen is generally obtained from (A) Organic material (B) Synthetic material (C) Petroleum product (D) Coal
Last Answer : Answer: Option C
Description : Which of the following represents a carpet of sand-bitumen mix without coarse aggregates? (A) Mastic asphalt (B) Sheet asphalt (C) Bituminous carpet (D) Bituminous concrete
Last Answer : Answer: Option B
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 : Plastic bitumen is generally used for (A) Road pavements (B) Expansion joints (C) Crack fillings (D) None to these
Description : The filler used in plastic bitumen, is (A) Shale powder (B) Talc powder (C) Asbestos powder (D) Plastic powder
Description : For filling cracks in masonry structures, the type of bitumen used, is (A) Cut-back bitumen (B) Bitumen-emulsion (C) Blown bitumen (D) Plastic bitumen
Description : Plastic asphalt is (A) Used as a water proofing layer over roof (B) A mixture of cement and asphalt (C) A natural asphalt (D) A refinery produ
Description : Bottom product of atmospheric pressure crude oil distillation column is termed as (A) Reduced crude (B) Heavy ends (C) Asphalt (D) Residuum
Last Answer : (A) Reduced crude
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 : Petroleum (A) Is optically active (B) Constitutes mainly of olefins (C) Does not contain asphalt (D) Does not contain aromatics
Last Answer : (A) Is optically active
Description : _______ is one of the product formed during refining of petroleum which is black and sticky solid used for making roads. a) paraffin wax b)asphalt c)kerosene d) gasoline
Last Answer : b)asphalt
Description : Bitumen is obtained from (A) Forests and Plants (B) Kerosene oil (C) Crude oil (D) underground mines
Last Answer : Answer: C Explanation: Bitumen/asphalt/tar is a common binder used in road construction. Bitumen is obtained from crude oil by the process called fractional distillation. It is pr incipally obtained ... after higher fractions like gas, petrol, kerosene and diesel, etc., are removed.
Description : What is Partial Distillation of Petroleum ?
Last Answer : Petroleum obtained directly from a mine is called crude oil or petroleum. This crude oil is separated based on the boiling point in the partial distillation method. Partial distillation is a type of ... , naphtha , kerosene , diesel , paraffin mam and pitch. Which is used for various purposes
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 : Waxes present in petroleum products (A) Can be separated out by distillation (B) Are not soluble in them (C) Crystallise out at low temperature (D) Decrease their viscosity
Last Answer : (C) Crystallise out at low temperature
Description : __________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation. (A) Magnesium (B) Potassium (C) Calcium (D) Sodium
Last Answer : (A) Magnesium
Description : Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around __________ inches. (A) 5 (B) 30 (C) 60 (D) 100
Last Answer : (B) 30
Description : Pick out the wrong statement. (A) Constant pressure distillation cannot separate an Azeotropic mixture (B) Relative volatility of a binary mixture changes appreciably with the minor change in ... unity (D) Flash distillation is practised on wide spread scale in petroleum refinery
Last Answer : (B) Relative volatility of a binary mixture changes appreciably with the minor change in temperature
Description : Large scale usage of flash distillation is practised in (A) Soap manufacturing (B) Ammonia synthesis plant (C) Polymerisation industry (D) Petroleum refining
Last Answer : (D) Petroleum refining
Description : Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature). (A) log P vs. T (B) log P vs. log T (C) T vs. P (D) P vs. log T
Last Answer : (A) log P vs. T
Description : Dowtherm is a (A) High temperature heating medium (a petroleum product) (B) Product of coal tar distillation (C) Very heat sensitive material (D) None of these
Last Answer : Option A
Description : When petroleum is refined it is subject to a number of processes including cracking. During the cracking process w) lighter hydrocarbons are combined to form heavier ones x) heavy hydrocarbons ... lighter hydrocarbons are separated by distillation z) oxygen is used to burn the heavier hydrocarbons
Last Answer : ANSWER: X -- HEAVY HYDROCARBONS ARE BROKEN UP INTO LIGHTER ONES
Description : Softening point of bitumen to be used for read construction at a place where maximum temperature is 40°C should be (A) Less than 40°C (B) Greater than 40°C (C) Equal to 40°C (D) None of the above
Description : Bitumen of grade 80/100 means (A) Its penetration value is 8 mm (B) Its penetration value is 10 mm (C) Its penetration value is 8 to 10 mm (D) Its penetration value is 8 to 10 cm
Description : The binder normally used in flexible pavement construction is (A) Cement (B) Lime (C) Bitumen (D) None of the above
Description : The ductility value of bitumen for suitability in road construction should not be less than (A) 30 cm (B) 40 cm (C) 50 cm (D) 60 cm
Description : Which of the following represents hardest grade of bitumen? (A) 30/40 (B) 60/70 (C) 80/100 (D) 100/120
Last Answer : Answer: Option A
Description : Pavement is said to be flexible if it contains (A) Water bound macadam surface (B) Stabilised soil base constructed of lime cement or tar (C) Bitumen-bound stone layer of varying aggregates (D) All the above
Description : Percentage of free carbon in bitumen is (A) More than that in tar (B) Less than that in tar (C) Equal to that in tar (D) None of the above
Description : Select the correct statement. (A) Quantity of binder required for tack coat is less than that required for prime coat (B) Prime coat treatment is given for plugging the voids in water ... the final coat over certain previous bituminous pavements (D) A bitumen primer is a high viscosity cutback
Description : Penetration test on bitumen is used for determining its (A) Grade (B) Viscosity (C) Ductility (D) Temperature susceptibilit
Description : In the penetration macadam construction, the bitumen is (A) Sprayed after the aggregates are spread and compacted (B) Premixed with aggregates and then spread (C) Sprayed before the aggregates are spread and compacted (D) None of the above
Description : Bitumen paints offer (A) Pleasing surface (B) Hard surface (C) Smooth surface (D) Protective surface
Description : Bitumen emulsion is (A) A liquid containing bitumen in suspension (B) A paint (C) Used as anti-corrosive paint (D) All the above
Description : Bitumen felt (A) Is used as water proofing material (B) Is used as damp proofing material (C) Is made from bitumen and hessian fibres (D) All the above
Description : According to ISI, bitumen is classified into (A) 2 grades (B) 4 grades (C) 8 grades (D) 10 grades
Description : Bitumen completely dissolves in (A) Carbon bisulphide (B) Chloroform (C) Coal tar (D) All of these
Description : Bitumen felt is used for (A) Water proofing (B) Damp proofing (C) Both (A) and (B) (D) Neither (A) nor (B)
Description : Bitumen may be dissolved in (A) Carbondioxide (B) Water (C) Sodium chloride (D) Carbon disulphide
Description : For calculating the tractive force along an upgrade of an asphalt road, the most probable value of the co-efficient of traction resistance is assumed (A) 1/10 (B) 1/20 (C) 1/30 (D) 1/100
Description : Which of the following premix methods is used for base course? (A) Bituminous carpet (B) Mastic asphalt (C) Sheet asphalt (D) Bituminous bound macadam
Description : The suitable surfacing material for a bridge deck slab is (A) Sheet asphalt (B) Bituminous carpet (C) Mastic asphalt (D) Rolled asphalt
Description : Which of the following is considered to be the highest quality construction in the group of black top pavements? (A) Mastic asphalt (B) Sheet asphalt (C) Bituminous carpet (D) Bituminous concrete
Description : Which of the following surfaces will give highest rolling resistance for a rubber tyred vehicle? (A) Concrete (B) Loose sand (C) Asphalt (D) Firm earth
Last Answer : (B) Loose sand
Description : Mastic asphalt is (A) Acid resisting material (B) Non-corrosive material (C) Corrosive material (D) Heating-resisting material
Description : Mastic asphalt is generally used for (A) Damp proof course (B) Water proof layer (C) Partition walls (D) Both (A) and (B
Description : Mastic asphalt is normally used for (A) Sound insulation (B) Water proofing (C) Fire proofing (D) None to these
Description : Mastic asphalt is (A) Water proof (B) Fire proof (C) Elastic (D) All the above
Description : Which of the following is a metallic salt of a fatty acid? Is it: w) soap x) plastic y) rubber z) petroleum
Last Answer : ANSWER: A -- SOAP