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Chemical Engineering MCQs: 8,342 practice questions with answer choices and available explanations. Page 197 of 557.

Chemical Engineering MCQs

Showing page 197 of 557 · 8,342 total solved questions available.

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Pick out the wrong statement?

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A.Refractories used in muffle furnace should have low thermal conductivity
B.For reducing spalling tendency, the refractory should be well fired and its porosity should be
C.The electrical resistivity of refractories drops rapidly with rise in temperature
D.Refractoriness under load (RUL) of a refractory is always less than its refractoriness
Explanation: The correct answer is Refractories used in muffle furnace should have low thermal conductivity.

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Pick out the wrong statement?

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A.Activation energy for a reaction is obtained from the intercept of the Arrhenius plot
B.Use of different catalysts in a reversible catalytic chemical reaction does not change the
C.Presence of inerts affects the equilibrium conversion of
D.Alumina is added as a promoter to iron catalyst in ammonia synthesis reaction
Explanation: The correct answer is Activation energy for a reaction is obtained from the intercept of the Arrhenius plot.

Submitted by: Academy of Pakistan

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