

MCQOPTIONS
Saved Bookmarks
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.
1. |
To obtain a 100 Kg of 40 % N2 solution, how much nitrogen must be added to a 20% nitrogen solution? |
A. | 10 Kg |
B. | 25 Kg |
C. | 50 Kg |
D. | 75 Kg |
Answer» C. 50 Kg | |
2. |
How many Kgs of HCl is there in the reactor? |
A. | 111.5 Kg |
B. | 122.5 Kg |
C. | 133.5 Kg |
D. | 144.5 Kg |
Answer» C. 133.5 Kg | |
3. |
What is the amount of HCl present in the product? |
A. | 62.5 Kg |
B. | 56.5 Kg |
C. | 40.5 Kg |
D. | 32.5 Kg |
Answer» B. 56.5 Kg | |
4. |
What is the amount of H2O present in the feed? |
A. | 100 Kg |
B. | 200 Kg |
C. | 400 Kg |
D. | 800 Kg |
Answer» D. 800 Kg | |
5. |
In a reactor, the feed components are NaOH, H2O and HCl. The mass fractions of these components in feed are 0.3, 0.5, 0.2 respectively. The total amount of feed is 800 Kg.At the product side, the total amount of product is 400 Kg and amount of H2O collected is 300 Kg. The mass ratio of NaOH and HCl is 0.6.Assume that there is no reaction is occurring in the reaction.1. What is the amount of NaOH present in the feed? |
A. | 240 Kg |
B. | 480 Kg |
C. | 560 Kg |
D. | 800 KgView Answer |
Answer» B. 480 Kg | |
6. |
TO_OBTAIN_A_100_KG_OF_40_%_N2_SOLUTION,_HOW_MUCH_NITROGEN_MUST_BE_ADDED_TO_A_20%_NITROGEN_SOLUTION??$ |
A. | 10 Kg |
B. | 25 Kg |
C. | 50 Kg |
D. | 75 Kg |
Answer» C. 50 Kg | |
7. |
AN_AQUEOUS_SOLUTION_WITH_NAOH_10_G/L_AT_THE_RATE_IS_100_L/MIN_AND_AN_ORGANIC_COMPOUND_WITH_NO_NAOH_AT_THE_RATE_50_L/MIN_WERE_PUT_INTO_AN_EXTRACTION_MACHINE_AND_PRODUCED_AQUEOUS_SOLUTION_WITH_NAOH_1_G/L,_WHAT_IS_THE_AMOUNT_OF_NAOH_IN_ORGANIC_COMPOUND_AFTER_EXTRACTION??$ |
A. | 2 g/L |
B. | 5 g/L |
C. | 9 g/L |
D. | 15 g/L |
Answer» D. 15 g/L | |
8. |
To_obtain_a_100_Kg_of_40_%_N2_solution,_how_much_nitrogen_must_be_added_to_a_20%_nitrogen_solution?$ |
A. | 10 Kg |
B. | 25 Kg |
C. | 50 Kg |
D. | 75 Kg |
Answer» C. 50 Kg | |
9. |
An aqueous solution with NaOH 10 g/L at the rate is 100 L/min and an organic compound with no NaOH at the rate 50 L/min were put into an extraction machine and produced aqueous solution with NaOH 1 g/L, what is the amount of NaOH in organic compound after extraction? |
A. | 2 g/L |
B. | 5 g/L |
C. | 9 g/L |
D. | 15 g/L |
Answer» D. 15 g/L | |
10. |
How many Kgs of H2O is there in the reactor? |
A. | 100 Kg |
B. | 200 Kg |
C. | 300 Kg |
D. | 400 Kg |
Answer» B. 200 Kg | |
11. |
How many Kgs of NaOH is there in the reactor? |
A. | 101.5 Kg |
B. | 202.5 Kg |
C. | 303.5 Kg |
D. | 404.5 Kg |
Answer» C. 303.5 Kg | |
12. |
What is the amount of NaOH present in the product? |
A. | 21.5 Kg |
B. | 31.5 Kg |
C. | 37.5 Kg |
D. | 40.5 Kg |
Answer» D. 40.5 Kg | |
13. |
What is the amount of HCl present in the feed? |
A. | 80 Kg |
B. | 160 Kg |
C. | 240 Kg |
D. | 320 Kg |
Answer» C. 240 Kg | |