Chemical Technology GATE-2015

Q 1. Match the polymer mentioned on the left with the catalyst used for its manufacture given on the right

(I) Low-density Polyethylene	(P) Ziegler-Natta Catalyst
(II) High-density Polyethylene	(Q) Traces of Oxygen
(III) Polyethylene Terephthalate	(R) Butyl Lithium
(IV) Polyvinyl Chloride	(S) Antimony

A) I-Q, II-R, III-S, IV-P
B) I-S, II-P, III-Q, IV-R
C) I-Q, II-P, III-S, IV-R
D) I-S, II-R, III-P, IV-Q

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Q 2. Match the technologies in Group 1 with the entries in Group 2:

Group I	Group II
P. Urea Manufacture	I. Microencapsulation
Q. Coal gasification	II. Ultra-low sulfur diesel
R. Controlled release of chemicals	III. Shale Oil
S. Deep hydrodesulfurization	IV Prilling Tower
	V. Gas hydrates
	VI. Gas-solid non-catalytic reaction

A) P-I, Q-V, R-II, S-VI
B) P-IV, Q-VI, R-I, S-II
C) P-IV, Q-I, R-III, S-II
D) P-V, Q-Vi, R-IV, S-II

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Q 3. Match the chemical written on the left with the raw materials required to produce them mentioned on the right.

(I) Single Superphosphate (SSP)	(P) Rock Phosphate + Sulfuric Acid + Ammonia
(II) Triple Superphosphate (TSP)	(Q) Brine
(III) Diammonium Phosphate (DAP)	(R) Rock phosphate + Sulfuric Acid
(IV) Caustic Soda	(S) Rock Phosphate + Phosphoric Acid

A) I-Q, II-R, III-S, IV-P
B) I-S, II-P, III-Q, IV-R
C) I-R, II-S, III-P, IV-Q
D) I-S, II-R, III-P, IV-Q

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Q 4. Select the WRONG statement regarding water gas shift converters from the list below:

A) Inter-stage cooling is provided between the two stages of shift converters.
B) Usually high-temperature shift (HTS) reactor has iron-based catalyst and low-temperature shift (LTS) reactor has a copper-based catalyst.
C) HTS reactor is followed by LTS reactor.
D) LTS reactor is followed by HTS reactor.

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