Petroleum Refinery Engineering
Diesel index is defined as

(°API) x (100)/Aniline Point, °C
(°API) x (100)/Aniline Point, °F
(°API) x (Aniline Point, °F)/100
(°API) x (Aniline Point, °C)/100

ANSWER DOWNLOAD EXAMIANS APP

Petroleum Refinery Engineering
Mercaptans are

All of these
Added in LPG cylinders to detect gas leakage by its smell
Low boiling sulphur compounds
Undesirable in petrol, as they reduce its octane number

ANSWER DOWNLOAD EXAMIANS APP