 
			 
			MCQOPTIONS
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				This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Bentonite is commonly used as bonding material for dry sand cores. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 2. | Which of the following sands has the highest thermal conductivity? | 
| A. | Silica sand | 
| B. | Zircon sand | 
| C. | Chromite sand | 
| D. | Olivine sand | 
| Answer» C. Chromite sand | |
| 3. | Refractoriness of the green sand mould shows _____ | 
| A. | High strength | 
| B. | Toughness | 
| C. | High temperature resistant | 
| D. | High porosity | 
| Answer» D. High porosity | |