MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the temperature in a core box typically? |
| A. | 120 C 160 C |
| B. | 180 C 260 C |
| C. | 200 C 270 C |
| D. | 290 C 350 C |
| Answer» C. 200 C 270 C | |
| 2. |
Which of the following materials cannot be used for making a core box? |
| A. | Aluminium |
| B. | Steel |
| C. | Zinc |
| D. | Cast iron |
| Answer» D. Cast iron | |
| 3. |
What is the tensile strength of thick gray cast iron? |
| A. | 71 MPa |
| B. | 83 MPa |
| C. | 95 MPa |
| D. | 107 MPa |
| Answer» C. 95 MPa | |
| 4. |
What would be the tensile strength of gray cast iron of class 20? |
| A. | 120 MPa |
| B. | 163 MPa |
| C. | 138 MPa |
| D. | 152 MPa |
| Answer» D. 152 MPa | |
| 5. |
Presence of which material in a gray cast iron causes reduced ductility? |
| A. | Graphite |
| B. | Aluminium |
| C. | Coke |
| D. | Zinc |
| Answer» B. Aluminium | |