MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The degree of powder stratification is not affected by_____ |
| A. | mixing time |
| B. | powder mass flow rate |
| C. | air flow velocity |
| D. | diameter of the funnel in the mixing chamber |
| Answer» B. powder mass flow rate | |
| 2. |
Mounting a variable speed rotary electric mixer above the reservoir can reduce powder compaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
There are variations in the powder mass flow rate due to_____ |
| A. | powder compaction |
| B. | size of the powder particles |
| C. | air flow rate inside the mixing chamber |
| D. | pressure build-up in the chamber |
| Answer» B. size of the powder particles | |
| 4. |
Powder compaction is desirable during AJMM. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The powder mass flow rate is dependent on_____ |
| A. | fineness of powder particles |
| B. | type of mask used during the process |
| C. | carrier gas |
| D. | amount of powder |
| Answer» E. | |
| 6. |
Which of the following is true about powder flow rate in fluidized bed powder system and other systems? |
| A. | First has higher flow rate the other |
| B. | First has lower flow rate the other |
| C. | There is no relation as it is dependent on nozzle parameters |
| D. | Powder flow rate in is not a measurable parameter |
| Answer» B. First has lower flow rate the other | |
| 7. |
In fluidized bed powder spray system, the air flow from the bottom of the reservoir creates_____ |
| A. | pressure in the system |
| B. | a cloud of powder particles |
| C. | vacuum in the system |
| D. | high turbulence to increase the effectiveness |
| Answer» C. vacuum in the system | |
| 8. |
Powder mass flow rate is controlled by _____________ |
| A. | regulating the air flow rate |
| B. | nozzle diameter |
| C. | size of the mixing chamber |
| D. | cycle time |
| Answer» B. nozzle diameter | |
| 9. |
During first half cycle, mixing chamber is at ___________ |
| A. | atmospheric pressure |
| B. | 2 atm |
| C. | 2 bar |
| D. | vacuum |
| Answer» B. 2 atm | |
| 10. |
During the first half cycle in pressurized powder feed system, powder that has entered the mixing chamber is _____ |
| A. | forced out of the nozzle |
| B. | heated to a specific temperature |
| C. | mixed with air |
| D. | mixed with cutting fluid |
| Answer» B. heated to a specific temperature | |