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(1) Crude oil is best described as:
(a) a mixture.
(b) an organic compound.
(c) an inorganic compound.
(d) a large hydrocarbon molecule.

(2) Select the substances with the highest density.
(a) kerosines.
(b) gasolines
(c) diesel fuels.
(d) bitumens

(3) Select the substances with the lowest boiling point from those listed in question 2 above.

(4) Drilling mud used in Trinidad is usually
(a) barium compound
(b) mud specially prepared from local source.
(c) obtained as a secondary product of the oil industry.
(d) ordinary mud found in the oil fields.

(5) Which is the most viscous petroleum derivative substance from among the following:
(a) gasoline.
(b) kerosine.
(c) fuel oil
(d) diesel fuel

List for Questions 6 and 7
(a) Naphtha.
(b) bitumen.
(c) Diesel oil
(d) Kerosine.

(6) From the list above which substance would you expect to be given off first in a distillation of a crude oil sample?

(7) From the list above which substance would you expect to be given off in a distillation at a temperature of about 260°C?

(8) In a distillation of crude oil, gasoline would probably be given off between
(a) 40°c to 110°C.
(b) 40°C to 205⁰C
(c) 1500C to 300°C.
(d) 230°C to 275°C.

(9). In a crude oil distillation in the refinery, Gas oil is usually obtained.
(a) after kerosine
(b) before gasoline.
(c) after gasoline.
(d) after lubricating oil

(10) Octane number is a measure of the ignition quality of
(a) gasoline.
(b) diesel oil.
(c) aviation fuel.
(d) all petroleum based fuels.

(11) Select the fuel that is NOT associated with the oil industry.

(a) coke.
(b) diesel oil.
(c) naphtha

(d) fuel oil.

(12) The pink colour of high octane gasoline is

(a) its natural colour.
(b) caused by the lead added to gasoline.
(c) caused by the addition of a dye.
(d) obtained by the mixture of light and heavy gasoline.

(13) The energy present in gasoline originates from

(a) the distillation of the crude oil.
(b) the sun.
(c) the pressure of underground rocks on oil during its formation.
(d) the once living organisms from which the oil was formed.

(14) Aviation fuel is a form of
(a) light gasoline.
(b) kerosine.
(c) naphtha.
(d) diesel fuel.

(15) Complete combustion of gasoline in air produces:
(a) carbon monoxide and water.
(b) carbon monoxide,hydrogen,and water.
(c) carbon dioxide and water.
(d) carbon monoxide, carbon dioxide, and water.

(16) The sulphur compounds in petroleum are removed by addition of:
(a) catalysts.
(b) oxygen.
(c) hydrogen.
(d) steam.

(17) The major product of the locally owned refinery at Point Fortin is

(a) gasoline.
(b) bitumen.
(c) fuel oil.
(d) liquefied petroleum gas.

(18) The term "treatment' used in a refinery to refer to removal of impurities, and odour, improvement of colour and stability excludes.
(a) addition of chemicals.
(b) heat treatment.
(c) the use of pressure.
(d) conversion by cracking.

(19) Oil based chemicals do not include
(a) nylon.
(b) detergents.
(c) cotton.
(d) agricultural chemicals.

(20) An American barrel of oil is approximately
(a) 19 litres.
(b) 59 litres.
(c) 79 litres.
(d)159 litres.

(21) The lightest "fraction" resulting from the distillation of oil in a refinery is
(a) naphtha.
(b) kerosine.
(c) petroleum gases (LPG)
(d) fuel oil.

(22) The term refinery gas does not refer to a gas containing
(a) hydrogen.
(b) methane.
(c) ethane.
(d) butane.

(23) Platformate is best described as
(a) light gasoline.
(b) aviation fuel.
(c) gasoline derived from naphtha.
(d) the residue from the initial distillation of crude oil.

(24) The field of study given below that is probably least relevant to the oil industry is:
(a) Chemical engineering.
(b) Palaeontology.
(c) Seismology.
(d) Ornithology.

(25) Liquefied Petroleum Gas is usually mixtures of:
(i) propane and butane.
(ii) ethane and propane.
(iii) ethane and butane,
(iv) ethane and methane.

(26) Octane number is normally used with reference to the ignition value of:
(i) crude oil.
(ii) gasoline.
(iii)natural gas.
(iv) diesel oil.

(27) Select the item that is NOT relevant to an analysis of kerosine:
(a) smoke point.
(b) Lead content.
(c) flash point.
(d) colour.

(28) Select the least valid statement made about drilling mud.
(a) It cools the drill bit.
(b) It plasters the side of the hole.
(c) It brings up samples for analysis
(d) It helps to pressure the oil up to the surface.

(29) There are 3 major refinery processes. From the list below identify the process that is not one of them.

(a) Hydrogenation.
(b) Separation. (Distillation)
(c) Conversion. (Cracking)
(d) Treatment.

(30) A Christmas tree is a common name for
(a) a pumping jack.
(b) arrangement of control valves.
(c) gathering station.
(d) an exploration rig.

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