Chemical Engineering MCQs

6108 MCQs  (Page 283 of 611)

Attempt Chemical Engineering Quiz
Higher free energy of activation of a chemical reaction (at a given temperature) implies ____________________?
A. Slower rate of reaction
B. Higher rate of reaction
C. Higher equilibrium conversion
D. Both b. and c.
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What is the order of a chemical reaction of the bellow figure, if the rate of formation of ‘C’, increases by a factor of 2.82 on doubling the concentration of ‘A’ and increases by a factor of 9 on trebling the concentration of ‘B’ ?
A. 7/2
B. 7/4
C. 5/2
D. 5/4
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The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the_________________?
A. Space time for each parallel line is same
B. Space time for parallel lines is different
C. Larger reactors have more space time compared to smaller ones
D. None of these
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A first order reaction requires two equal sized CSTR. The conversion is____________________?
A. Less when they are connected in series
B. More when they are connected in series
C. More when they are connected in parallel
D. Same whether they are connected in series or in parallel
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6 gm of carbon is burnt with an amount of air containing 18 gm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant ?
A. 100%
B. 95%
C. 75%
D. 20%
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Which of the following is not a theory of homogeneous reaction ?
A. Collision theory and activated complex theory
B. Chain reaction theory
C. Radiation hypothesis
D. None of these
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Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?
A. -20 to 25
B. 50 to 75
C. 100 to 150
D. 250-280
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Density of low density polythene is about ____________ gm/c.c?
A. 0.38
B. 0.56
C. 0.81
D. 0.91
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Poly-tetra-fluoro ethylene (PTFE) is known as_________________?
A. Dacron
B. Teflon
C. Bakelite
D. Celluloid
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Nylon-66 is manufactured from ____________________?
A. Adipic acid and hexamethylene diamine
B. Caprolactam
C. Maleic anhydride and hexamethylene diamine
D. Dimethyl terephthalate (dmt) and ethylene glycol
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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