MCQOPTIONS
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MCQOPTIONS
This section includes 74 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
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 is the rate of streams? |
| A. | 10 mole |
| B. | 20 moles |
| C. | 30 moles |
| D. | 40 moles |
| Answer» D. 40 moles | |
| 52. |
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 H2O in the product? |
| A. | 15 |
| B. | 23 |
| C. | 39 |
| D. | 51 |
| Answer» C. 39 | |
| 53. |
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 C3H7O4 in the product? |
| A. | 10 |
| B. | 16 |
| C. | 31 |
| D. | 43 |
| Answer» D. 43 | |
| 54. |
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 | |
| 55. |
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 | |
| 56. |
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 N2 in the product? |
| A. | 8 |
| B. | 18 |
| C. | 34 |
| D. | 46 |
| Answer» B. 18 | |
| 57. |
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 limiting reagent is converted into product? |
| A. | 0.21 |
| B. | 0.46 |
| C. | 0.73 |
| D. | 0.83 |
| Answer» E. | |
| 58. |
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 | |
| 59. |
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 | |
| 60. |
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. | |
| 61. |
H2O2 + H2 -> 2H2O, if the extent of reaction is 10, how much water is produced? |
| A. | 10 moles |
| B. | 20 moles |
| C. | 30 moles |
| D. | 40 moles |
| Answer» C. 30 moles | |
| 62. |
N2 + 2O2 -> 2NO2, what is the extent of reaction if 6 moles of NO2 is produced? |
| A. | 3 |
| B. | 6 |
| C. | 12 |
| D. | 18 |
| Answer» B. 6 | |
| 63. |
60 grams of FeS2, is burnt in air, how much sulfur dioxide will produce? |
| A. | 16 grams |
| B. | 32 grams |
| C. | 64 grams |
| D. | 128 grams |
| Answer» D. 128 grams | |
| 64. |
158 grams of potassium permanganate is reacted with ferrous sulfide in the presence of hydrochloric acid, approximately how much ferric sulfate will it produce? |
| A. | 111 grams |
| B. | 169 grams |
| C. | 254 grams |
| D. | 399 grams |
| Answer» B. 169 grams | |
| 65. |
xFeS2 + yO2 -> zFe2O3 + wSO2, what is the value of x + y + z + w? |
| A. | 16 |
| B. | 21 |
| C. | 25 |
| D. | 32 |
| Answer» D. 32 | |
| 66. |
What is extent of reaction of a in the reaction 2CO + O2 -> 2CO2, if 20 moles CO2 is produced? |
| A. | 5 |
| B. | 10 |
| C. | 20 |
| D. | 40 |
| Answer» C. 20 | |
| 67. |
CH4 + 2O2 -> CO2 + 2H2O, what is the extent of reaction if only 50% of 96 grams of CH4 is consumed? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» D. 4 | |
| 68. |
4FeS2 + 11O2 -> 2Fe2O3 + 8SO2, what is the extent of reaction if 512 grams of SO2 is produced? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» B. 2 | |
| 69. |
What is the value of D? |
| A. | 32.3 Kg/hr |
| B. | 49.1 Kg/hr |
| C. | 85.6 Kg/hr |
| D. | 105.3 Kg/hr |
| Answer» B. 49.1 Kg/hr | |
| 70. |
Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the rate of products? |
| A. | 900 moles |
| B. | 950 moles |
| C. | 1000 moles |
| D. | 1050 moles |
| Answer» E. | |
| 71. |
Octane is burnt with 40% excess O2, what is the percentage of CO2 in products? |
| A. | 0.1818 |
| B. | 0.3636 |
| C. | 0.5454 |
| D. | 0.7272 |
| Answer» C. 0.5454 | |
| 72. |
Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of N2 in products? |
| A. | 0.254 |
| B. | 0.452 |
| C. | 0.752 |
| D. | 0.956 |
| Answer» D. 0.956 | |
| 73. |
Methane is at the rate 50 moles is supplied to a reactor with air at the rate 1000 moles, the reactor leaves O2, N2, CO2 and H2O, what is the percentage of H2O in products? |
| A. | 0.058 |
| B. | 0.095 |
| C. | 0.154 |
| D. | 0.207 |
| Answer» C. 0.154 | |
| 74. |
What is the value of F? |
| A. | 98.5 Kg/hr |
| B. | 131.1 Kg/hr |
| C. | 167.7 Kg/hr |
| D. | 256.4 Kg/hr |
| Answer» D. 256.4 Kg/hr | |