Chemical Technology GATE-2008

Q 1: Which ONE of the following is NOT a major constituent of crude oil?

A) Paraffin’s
B) Olefins
C) Naphthenes
D) Aromatics

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Q 2: Match the unit processes in Group 1 with the industries in Group 2.

Group -1	Group -2
P: Saponification	1: Petroleum refining
Q: Calcinations	2: Synthetic fibres
R: Alkylation	3: Cement
	4: Soaps and Detergents

A) P-1, Q-3, R-4
B) P-2, Q-3, R-4
C) P-4, Q-2, R-1
D) P-4, Q-3, R-1

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Q 3: Which ONE of the following process sequences is used in the production of synthesis gas?

A) Desulphurization → Steam reforming → Hot K₂CO₃ cycle
B) Steam reforming → Desulphurization → Hot K₂CO₃ cycle
C) Hot K₂CO₃ cycle → Steam reforming → Desulphurization
D) Hot K₂CO₃ cycle → Desulphurization → Steam reforming

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Q 4: Which ONE of the following process sequences is used in the sugar industry?

A) Ca₂HPO₄/Lime Treatment → Crystallization → Crushing
B) Ca₂HPO₄/Lime Treatment → Multiple stage evaporation → Crystallization
C) Crushing → Crystallization → Ca₂HPO₄/Lime Treatment
D) Multiple stage evaporation → Crystallization → Ca₂HPO₄/Lime Treatment

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