Explore topic-wise MCQs in Chemical Engineering.

This section includes 209 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

201.

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, what fraction of excess reagent is converted into product?

A. 0.23
B. 0.55
C. 0.74
D. 0.87
Answer» C. 0.74
202.

A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO2, 25% N2 and stream-2 containing pure H2S, if the product has 1200 grams of S, and the ratio of H2S to H2O is 5 and the ratio of SO2 to H2S is 2, how many moles of water are produced?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
203.

A reactor is supplied with a feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the percentage of O2 in the product?

A. 10
B. 18
C. 38
D. 54
Answer» C. 38
204.

A reactor is supplied with a 100 mole feed of composition 46% C3H7O4, 44% O2 and 10% N2, if 50% of the limiting reagent is converted into product, what is the extent of reaction?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
205.

A reactor is supplied with 5 moles of KNO3 and some H2SO4, if the extent of reaction is 2, how many moles of H2SO4 were supplied?

A. 1
B. 2
C. 5
D. Cannot be determined
Answer» E.
206.

A reactor is supplied with 10 moles of O2 and 10 moles of H2, if the extent of reaction is 5, how many moles of water is produced?

A. 5
B. 10
C. 15
D. 20
Answer» C. 15
207.

A reactor is supplied with 10 moles of CH4 and 10 moles of O2, if the extent of reaction is 3, what are the moles of CO2 produced?

A. 3
B. 6
C. 8
D. 12
Answer» B. 6
208.

A reactor is supplied with 6 moles of N2 and 9 moles of H2, if 3 moles of NH3 is produced, how many moles of H2 are left at the end?

A. 1.5
B. 3
C. 4.5
D. 6
Answer» D. 6
209.

A reactor is supplied with 6 moles of CO and 3 moles of O2 and produced 4 moles of CO2, what is the extent of reaction?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3