Q. Solution used in Doctor's treatment for the removal of mercaptans is

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Q. Flash point of motor gasoline may be around __________ °C.

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Q. __________ converts n-paraffins to i-paraffins.

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Q. The colour of gasoline is an indication of its

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Q. The octane number of aviation gasoline may be

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Q. In petroleum refining, the process used for conversion of hydrocarbons to aromatics is

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Q. Diesel index (an alternative index for expressing the quality of diesel) is

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Q. Octane number of gasoline is a measure of its

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Q. Pick out the additive property of a lube oil out of following.

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Q. Catalyst used in catalytic reforming is

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Q. Tanks used for the storage of petroleum products (which are inflammable) should be painted with a __________ paint.

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Q. Cetane number of diesel used in trucks may be about

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Q. __________ test is done to find out the softening point of bitumen.

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Q. __________ determination is not a very significant and important test for gasoline.

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Q. Which of the following has the lowest viscosity (at a given temperature) of all?

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Q. Which of the following fractions of a crude oil will have the maximum gravity API (i.e. °API) ?

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Q. For gasoline, the flash point (<50°C) is determined by the

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Q. Flash point of atmospheric distillation residue is determined by __________ apparates.

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Q. Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about

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Q. Pour point and freezing point is equal for

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