 
			 
			MCQOPTIONS
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				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. | Investment casting is a cheap process with no limits on size and mass of the casting. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | Castings produced by investment casting do not require any further machining for finishing of the surface. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 3. | Which of the following is the main problem or disadvantage of using mercury as a pattern material? | 
| A. | Variation in density of pattern | 
| B. | Less formability | 
| C. | Keeping of pattern at too low temperature | 
| D. | Less strength | 
| Answer» D. Less strength | |
| 4. | If mercury is used as a pattern material in place of wax, then for the preparation of mould, mercury is kept at temperature_____ | 
| A. | below -38 C | 
| B. | 0 C | 
| C. | 0 to 38 C | 
| D. | -38 to 0 C | 
| Answer» B. 0 C | |
| 5. | The process of dipping and stuccoing is performed continuously to achieve the desired thickness of the mould in the investment casting. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |