MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Parting line in the sand casting should be ___________ |
| A. | Simple and curved |
| B. | Simple and straight |
| C. | Irregular |
| D. | Any type will not make a difference |
| Answer» C. Irregular | |
| 2. |
Rat tails and buckles in sand casting are caused by __________ |
| A. | Lower strength of the solidified metal |
| B. | Lower refractoriness of the moulding sand |
| C. | Lower strength of the moulding sand |
| D. | Lower hardness of the moulding sand |
| Answer» D. Lower hardness of the moulding sand | |
| 3. |
Find out the error(s) in the following design of a casting. |
| A. | The vertical faces must be tapered ( provide draft allowance) only |
| B. | The cavity must be created using some additional elements ( loose piece) only |
| C. | The vertical faces must be tapered as well as the cavity must be created using loose piece |
| D. | Nothing needs to be done ( no error) |
| E. | onlyb) The cavity must be created using some additional elements ( loose piece) onlyc) The vertical faces must be tapered as well as the cavity must be created using loose pieced) Nothing needs to be done ( no error) |
| Answer» D. Nothing needs to be done ( no error) | |
| 4. |
Calculate the size of cylindrical riser (height and dia equal) to feed a steel slab casting 25x25x5 cm. |
| A. | 10cm |
| B. | 12.5cm |
| C. | 14cm |
| D. | Data insufficient |
| Answer» C. 14cm | |
| 5. |
PARTING_LINE_IN_THE_SAND_CASTING_SHOULD_BE____________?$ |
| A. | Simple and curved |
| B. | Simple and straight |
| C. | Irregular |
| D. | Any type will not make a difference |
| Answer» C. Irregular | |
| 6. |
Rat tails and buckles in sand casting are caused by _________? |
| A. | Lower strength of the solidified metal |
| B. | Lower refractoriness of the moulding sand |
| C. | Lower strength of the moulding sand |
| D. | Lower hardness of the moulding sand |
| Answer» D. Lower hardness of the moulding sand | |
| 7. |
Riser for a sand casting can be designed using ___________ |
| A. | Modulus method |
| B. | Cained method |
| C. | Naval research laboratory method |
| D. | All of the mentioned |
| Answer» E. | |
| 8. |
The preferred shape of a runner in a sand casting is ___________ |
| A. | Cylindrical |
| B. | Spherical |
| C. | Rectangular |
| D. | Trapezoidal |
| Answer» E. | |
| 9. |
Calculate the riser diameter for an annular cylinder of 30 cm outer diameter, 10 cm inner diameter and 30cm height. ( correction factor = 1.14) |
| A. | 22cm |
| B. | 20cm |
| C. | 22.6cm |
| D. | 20.6cm |
| Answer» D. 20.6cm | |
| 10. |
The designing of a pattern does not include which of the following feature? |
| A. | To locate the direction of the parting line and adjust the component accordingly |
| B. | To determine regions and measurement of draft angles and radii of the sharp edges where allowances are to be given |
| C. | To recognize and abolish the region of or where the defects could take place during casting |
| D. | To 3D print the design for making the pattern |
| Answer» E. | |