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CHEMICAL TECHNOLOGY

1. Which of the following statement is not true in case of isomerisation of butane?
(A) Increase in LHSV will tend to increase in isobutene yield
(B) Increase in temperature will increase isobutane yield
(C) Increase in temperature will decrease isobutane yield
(D) Reducing hydrogen to hydrocarbon ratio will be decreased


2. For highly paraffinc crude oil, the chracterisation factor will be in range of
(A) 11.5-12.5
(B) 12.5-13.0
(C) 13.5-14.0
(D) 14.5 -15.0


3. During the desalting of crude oil which of the statement is not true?
(A) Desalter pressure is maintained above vaporisatrion pressure of crude oil
(B) Desalter pressure is maintained below vaporisatrion pressure of crude oil
(C) Low voltage is preferable for better desalting
(D) Lower temperature is preferable


4. Which of the Indian oil refinery is making Liner alkyl benzene?
(A) IOC Panipat refinery
(B) IOC Haldia refinery
(C) IOC Vadodara refinery
(D) IOC Mathura refinery


5. Which of the following statement is not true in case of catalytic reforming?
(A) High temperature results in loss of reformate yield
(B) Highly naphthenic stock require high space velocity
(C) High paraffinic stock requires low space velocity
(D) Presence of water decrease the hydrocracking activity