MCQOPTIONS
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MCQOPTIONS
This section includes 34 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. |
What is the volumetric flow rate of 500 kg of a liquid that is collected in 10 seconds? (Density of liquid = 100 kg/m3) |
| A. | 0.1 m3 / s |
| B. | 0.5 m3 / s |
| C. | 0.01 m3 / s |
| D. | 0.05 m3 / s |
| Answer» C. 0.01 m3 / s | |
| 2. |
Flow rate for a process stream is the rate at which material is transported through a carrying pipe.The above given statement is |
| A. | Incorrect |
| B. | Correct |
| C. | Not properly defined |
| D. | None of the mentioned |
| Answer» C. Not properly defined | |
| 3. |
20 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 60 m3, how much time will it take to fill the tank? |
| A. | 5 Second |
| B. | 10 Second |
| C. | 15 Second |
| D. | 20 SecondView answer |
| Answer» D. 20 SecondView answer | |
| 4. |
15 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 30 m3, how much time will it take to fill the tank? |
| A. | 3 Second |
| B. | 10 Second |
| C. | 30 Second |
| D. | 100 SecondView answer |
| Answer» C. 30 Second | |
| 5. |
10 Kg/s of a fluid with density 10 Kg/m3 is passed into a tank of capacity 50 m3, how much time will it take to fill the tank? |
| A. | 5 Second |
| B. | 50 Second |
| C. | 500 Second |
| D. | 5000 SecondView answer |
| Answer» C. 500 Second | |
| 6. |
10 moles of oxygen divides and enters two reactors flow rate 45 kg/s and leaves the reactors at the flow rates of 6 kg/s and 9 kg/s, what are number of moles of oxygen that leaves the reactor with 9 kg/s? |
| A. | 180 |
| B. | 450 |
| C. | 60 |
| D. | 90View answer |
| Answer» E. | |
| 7. |
A liquid of density 0.1 kg/m3 is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid velocity is 5 m/s? |
| A. | 30 m2 |
| B. | 45 m2 |
| C. | 75 m2 |
| D. | 90 m2View answer |
| Answer» B. 45 m2 | |
| 8. |
The velocity of water in a pipe of area 5 m2 is 10 m/s, what will be the flow rate of water? |
| A. | 25 m3/s |
| B. | 50 m3/s |
| C. | 75 m3/s |
| D. | 100 m3/sView answer |
| Answer» C. 75 m3/s | |
| 9. |
A liquid is flowing through a pipe of cross section 4 m2 at a rate of 4 kg/s, at a point pipe is divided into two pipes of areas of equal areas, what will be the ratio of flow rate in both the pipes? |
| A. | 1:3 |
| B. | 1:1 |
| C. | 1:2 |
| D. | 2:3View answer |
| Answer» C. 1:2 | |
| 10. |
Which of the following is the unit of flow rate? |
| A. | Kg/s |
| B. | Liters/s |
| C. | Moles/s |
| D. | All of the mentionedView answer |
| Answer» E. | |
| 11. |
10_MOLES_OF_OXYGEN_DIVIDES_AND_ENTERS_TWO_REACTORS_FLOW_RATE_45_KG/S_AND_LEAVES_THE_REACTORS_AT_THE_FLOW_RATES_OF_6_KG/S_AND_9_KG/S,_WHAT_ARE_NUMBER_OF_MOLES_OF_OXYGEN_THAT_LEAVES_THE_REACTOR_WITH_9_KG/S??$ |
| A. | 180 |
| B. | 450 |
| C. | 60 |
| D. | 90 |
| Answer» E. | |
| 12. |
WHAT_IS_THE_VOLUMETRIC_FLOW_RATE_OF_500_KG_OF_A_LIQUID_THAT_IS_COLLECTED_IN_10_SECONDS?_(DENSITY_OF_LIQUID_=_100_KG/M3)?$ |
| A. | 0.1 m3 / s |
| B. | 0.5 m3 / s |
| C. | 0.01 m3 / s |
| D. | 0.05 m3 / s |
| Answer» C. 0.01 m3 / s | |
| 13. |
15 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 30 m3, how much time will it take to fill the tank?$ |
| A. | 3 Second |
| B. | 10 Second |
| C. | 30 Second |
| D. | 100 Second |
| Answer» C. 30 Second | |
| 14. |
10 Kg/s of a fluid with density 10 Kg/m3 is passed into a tank of capacity 50 m3, how much time will it take to fill the tank?$ |
| A. | 5 Second |
| B. | 50 Second |
| C. | 500 Second |
| D. | 5000 Second |
| Answer» C. 500 Second | |
| 15. |
24 grams of CH4 is passed in the process in 3 minutes, what is the molar flow rate? |
| A. | 0.1 mole/min |
| B. | 0.3 mole/min |
| C. | 0.5 mole/min |
| D. | 0.7 mole/min |
| Answer» D. 0.7 mole/min | |
| 16. |
16 grams of oxygen is passed in the process in 5 minutes, what is the molar flow rate? |
| A. | 0.1 mole/min |
| B. | 1 mole/min |
| C. | 10 mole/min |
| D. | 16 mole/min |
| Answer» B. 1 mole/min | |
| 17. |
20 Kg/s of a fluid with density 5 Kg/m3 is passed into a tank of capacity 60 m3, how much time will it take to fill the tank? |
| A. | 5 Second |
| B. | 10 Second |
| C. | 15 Second |
| D. | 20 Second |
| Answer» D. 20 Second | |
| 18. |
A Composition of carbon dioxide, oxygen and nitrogen with mole ratio 1:2:5 with 4 moles of oxygen, enters a reactor with a flow rate of 100 kg/s, the ratio of rates of leaving the reactor of the three is 5:2:1, and 5 moles of nitrogen leaves the reactor, what is the total number of moles leaving the reactor? |
| A. | 6.1 |
| B. | 6.2 |
| C. | 6.3 |
| D. | 6.4 |
| Answer» C. 6.3 | |
| 19. |
Flow rate can be expressed as? |
| A. | Kg/s |
| B. | Litres/s |
| C. | Moles/s |
| D. | All of the mentioned |
| Answer» E. | |
| 20. |
1 mole of Carbon dioxide enters in a reactor at a rate of 0.25 kg/s and leaves it at the rate of 1 kg/s, what are the number of moles of carbon dioxide leaves the reactor? |
| A. | 0.25 |
| B. | 0.5 |
| C. | 0.75 |
| D. | 1 |
| Answer» B. 0.5 | |
| 21. |
Mass flow rate of the liquid flowing through a pipe, 100 grams of the liquid was collected in 10 seconds? |
| A. | 0.01 kg/s |
| B. | 0.05 kg/s |
| C. | 0.1 kg/s |
| D. | 0.5 kg/s |
| Answer» B. 0.05 kg/s | |
| 22. |
A liquid of density 0.1 kg/m3 is flowing through a pipe at a rate of 15 kg/s, what will be the area of the pipe if the fluid velocity is 5 m/s? |
| A. | 30 m<sup>2</sup> |
| B. | 45 m<sup>2</sup> |
| C. | 75 m<sup>2</sup> |
| D. | 90 m<sup>2</sup> |
| Answer» B. 45 m<sup>2</sup> | |
| 23. |
The velocity of water in a pipe of area 10 m2 is 5 m/s, what will be the flow rate of water? |
| A. | 25 m3 / s |
| B. | 50 m3 / s |
| C. | 75 m3 / s |
| D. | 100 m3 / s |
| Answer» C. 75 m3 / s | |
| 24. |
The velocity of water in a pipe of area 5 m2 is 10 m/s, what will be the flow rate of water? |
| A. | 25 m<sup>3</sup>/s |
| B. | 50 m<sup>3</sup>/s |
| C. | 75 m<sup>3</sup>/s |
| D. | 100 m<sup>3</sup>/s |
| Answer» C. 75 m<sup>3</sup>/s | |
| 25. |
What is the mass flow rate of a material, if 20 ml of it is collected in 20 sec. The density of the material is 0.5 gm/ml. |
| A. | 0.1 |
| B. | 0.5 |
| C. | 1.0 |
| D. | 1.5 |
| Answer» C. 1.0 | |
| 26. |
A liquid is flowing through a pipe of cross section 4 m2 at a rate of 4 kg/s, at a point pipe is divided into two pipes of areas of equal areas, what will be the ratio of flow rate in both the pipes? |
| A. | 1:3 |
| B. | 1:1 |
| C. | 1:2 |
| D. | 2:3 |
| Answer» C. 1:2 | |
| 27. |
What is the molar flow rate of sodium solution if 80 gms of solution is collected in 20 seconds. |
| A. | 0.1 |
| B. | 0.2 |
| C. | 0.3 |
| D. | 0.4 |
| Answer» B. 0.2 | |
| 28. |
What is the volumetric flow rate if 100 kg of water is collected in 10 seconds? (Density of water = 1000 kg/m3) |
| A. | 0.1 m<sup>3</sup>/s |
| B. | 0.2 m<sup>3</sup>/s |
| C. | 0.01 m<sup>3</sup>/s |
| D. | 0.02 m<sup>3</sup>/s |
| Answer» D. 0.02 m<sup>3</sup>/s | |
| 29. |
Volumetric flow rate of a process stream is the ________ transported through the pipe per unit time. |
| A. | Mass |
| B. | Mole |
| C. | Volume |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 30. |
What is the mass flow rate of a liquid flowing through a pipe of which 100 grams of water was collected in 10 seconds? |
| A. | 0.01 kg/s |
| B. | 0.05 kg/s |
| C. | 0.1 kg/s |
| D. | 0.5 kg/s |
| Answer» B. 0.05 kg/s | |
| 31. |
________ flow rate of a process stream is the mass transported through a pipe per unit time. |
| A. | Mass |
| B. | Mole |
| C. | Volume |
| D. | None of the mentioned |
| Answer» B. Mole | |
| 32. |
Which of the following is not conserved for the flow of an incompressible liquid in a pipe with variable area? |
| A. | Mass |
| B. | Volume |
| C. | Velocity |
| D. | Flow Rate |
| Answer» D. Flow Rate | |
| 33. |
Moles of a substance transported through a pipe per unit time is called |
| A. | Molar flow rate |
| B. | Molar volume |
| C. | Molar mass |
| D. | None of the mentioned |
| Answer» B. Molar volume | |
| 34. |
Flow rate for a process stream is the rate at which material is transported through a carrying pipe. |
| A. | |
| B. | Incorrect |
| C. | Correct |
| Answer» C. Correct | |