MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In light to medium size malleable iron castings, lake sand constitutes of 30 parts. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
What is the amount of green permeability in light to medium size malleable iron castings? |
| A. | 34 cc/min |
| B. | 44 cc/min |
| C. | 54 cc/min |
| D. | 64 cc/min |
| Answer» C. 54 cc/min | |
| 3. |
What is the dry compression strength of core sand mixture for general purpose? |
| A. | 50 kg/cm2 |
| B. | 60 kg/cm2 |
| C. | 70 kg/cm2 |
| D. | 80 kg/cm2 |
| Answer» D. 80 kg/cm2 | |
| 4. |
IN_LIGHT_TO_MEDIUM_SIZE_MALLEABLE_IRON_CASTINGS,_LAKE_SAND_CONSTITUTES_OF_30_PARTS.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
WHAT_IS_THE_AMOUNT_OF_GREEN_PERMEABILITY_IN_LIGHT_TO_MEDIUM_SIZE_MALLEABLE_IRON_CASTINGS??$ |
| A. | 34 cc/min |
| B. | 44 cc/min |
| C. | 54 cc/min |
| D. | 64 cc/min |
| Answer» C. 54 cc/min | |
| 6. |
What is the water content in light to medium size malleable iron castings? |
| A. | 3.2% |
| B. | 4.2% |
| C. | 5.2% |
| D. | 6.2% |
| Answer» C. 5.2% | |
| 7. |
What is the green compression strength of light to medium size malleable iron castings? |
| A. | 0.05 kg/cm<sup>2</sup> |
| B. | 0.06 kg/cm<sup>2</sup> |
| C. | 0.07 kg/cm<sup>2</sup> |
| D. | 0.08 kg/cm<sup>2</sup> |
| Answer» E. | |
| 8. |
What is the green compression strength of core sand mixture for general purpose? |
| A. | 1/5 kg/cm<sup>2</sup> |
| B. | 1/6 kg/cm<sup>2</sup> |
| C. | 1/7 kg/cm<sup>2</sup> |
| D. | 1/8 kg/cm<sup>2</sup> |
| Answer» D. 1/8 kg/cm<sup>2</sup> | |
| 9. |
What is the dry tensile strength of core sand mixture for general purpose? |
| A. | 15 kg/cm<sup>2</sup> |
| B. | 16 kg/cm<sup>2</sup> |
| C. | 17 kg/cm<sup>2</sup> |
| D. | 18 kg/cm<sup>2</sup> |
| Answer» D. 18 kg/cm<sup>2</sup> | |
| 10. |
What is the baked tensile strength of light to medium size malleable iron castings? |
| A. | 4.5 kg/cm<sup>2</sup> |
| B. | 5.5 kg/cm<sup>2</sup> |
| C. | 6.5 kg/cm<sup>2</sup> |
| D. | 7.5 kg/cm<sup>2</sup> |
| Answer» C. 6.5 kg/cm<sup>2</sup> | |
| 11. |
How much time does a normal muller take to mix the core ingredients? |
| A. | 2 – 5 minutes |
| B. | 3 – 6 minutes |
| C. | 4 – 7 minutes |
| D. | 5 – 9 minutes |
| Answer» C. 4 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 7 minutes | |
| 12. |
How much time does a centrifugal muller take to mix the core ingredients? |
| A. | 20 – 50 seconds |
| B. | 10 – 40 seconds |
| C. | 50 – 80 seconds |
| D. | 60 – 90 seconds |
| Answer» E. | |