MCQOPTIONS
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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. |
Catcher is used to_____ |
| A. | increase the residual energy of the AWJ |
| B. | absorb the residual energy of the AWJ |
| C. | focus the jet on the target |
| D. | collect the residual part of the machined component |
| Answer» C. focus the jet on the target | |
| 2. |
In suspension AWJM, mixture of water and abrasive particles is pumped to high pressure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
There are _____ different types of suspension abrasive water jet (AWJ). |
| A. | 2 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» C. 5 | |
| 4. |
The formula for abrasive jet velocity considering the momentum loss is _____ |
| A. | Vawj = η*(1/(1+R))*Vwj |
| B. | Vawj = η*(1+R)*Vwj |
| C. | Vawj = R*(1/(1+ η))*Vwj |
| D. | Vawj = η*(1+ η)*Vwj |
| Answer» B. Vawj = η*(1+R)*Vwj | |
| 5. |
Tungsten carbide is used because of its abrasive resistance. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following materials is used for focusing tubes? |
| A. | Chromium |
| B. | Titanium |
| C. | Nickel |
| D. | Tungsten |
| Answer» E. | |
| 7. |
The mixing chamber is immediately followed by _____ |
| A. | intensifier |
| B. | on-off valve |
| C. | catcher |
| D. | focussing tube |
| Answer» E. | |
| 8. |
In an environment friendly development concerning AWJM, which of the following is used as abrasive? |
| A. | dry ice |
| B. | cubic boron nitrite |
| C. | diamond |
| D. | tungsten carbide |
| Answer» B. cubic boron nitrite | |
| 9. |
Abrasive water jet velocity increases with (keeping all other parameters unchanged) _____ |
| A. | increasing traverse velocity of the job |
| B. | decreasing mass flow rate of abrasive |
| C. | decreasing traverse velocity of the job |
| D. | _____a) increasing traverse velocity of the jobb) decreasing mass flow rate of abrasivec) decreasing traverse velocity of the jobd) increasing mass flow rate of abrasive |
| Answer» E. | |
| 10. |
In AWJM, mixing process takes place in _____ |
| A. | intensifier |
| B. | mixing table |
| C. | mixing chamber |
| D. | mixing line |
| Answer» D. mixing line | |