MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering Questions & Answers Gating design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A mould has a down sprue length of 0.2 meters. The velocity of metal in meter/second at gate will be? |
| A. | 1.78 |
| B. | 1.98 |
| C. | 2.3 |
| D. | 2.5 |
| Answer» C. 2.3 | |
| 2. |
Time required to fill the mould by vertical gating system is? |
| A. | Less to bottom gating system |
| B. | More to bottom gating system |
| C. | Equal to bottom gating system |
| D. | Sometimes more and sometimes less to bottom gating system |
| Answer» B. More to bottom gating system | |
| 3. |
If the volume to surface area ratio is 2 for riser and for casting it is 4, then the freezing ratio is? |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | .5 |
| Answer» E. | |
| 4. |
If velocity of metal flow at gate is 4m/sec, volume of mould is .1 cubic meters and the cross-sectional area of gate is 0.002 cubic meters then the time required to fill up the mould in seconds is? |
| A. | 10 |
| B. | 12 |
| C. | 12.5 |
| D. | 15.5 |
| Answer» D. 15.5 | |
| 5. |
Which of the following is not a type of riser? |
| A. | Top riser |
| B. | Open riser |
| C. | Internal riser |
| D. | Bottom riser |
| Answer» E. | |
| 6. |
In the gate area for non-pressurized casting gating ratio a:b:c? (gating ratio = a: b: c where, a = cross-sectional area of sprue, b: cross-sectional area of runner, c = total cross-sectional area of ingates). |
| A. | 1:2:2 |
| B. | 2:2:1 |
| C. | 1:4:4 |
| D. | 1:4:2 |
| Answer» D. 1:4:2 | |
| 7. |
In which type of gating system aspiration effect takes place? |
| A. | Vertical |
| B. | Horizontal |
| C. | Diagonal |
| D. | Bottom |
| Answer» B. Horizontal | |