 
			 
			MCQOPTIONS
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				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. | In electric arc wire spray process, preheating of metal before welding is mainly done to prevent surface cracking. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 2. | By using electric arc wire spray process, salvaging of white cast iron becomes very easy. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 3. | Without knowing the conditions or details about the castings, salvaging can even destroy or damage the whole casting. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 4. | In salvaging of castings, the metallic powder coating can improve the heat transfer by_____ | 
| A. | 5-10% | 
| B. | 10-30% | 
| C. | 30-50% | 
| D. | 100% | 
| Answer» D. 100% | |
| 5. | In electric arc wire spray process, the atomizing air pressure is the only significant variable for controlling the surface layers. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 6. | In salvaging process, the metallic particles used for enhancing heat transfer may stick to the surface areas of casting by melting itself. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 7. | Which of the following types of inspection is mostly used for the identification of cast bumps on the castings? | 
| A. | Radiography | 
| B. | Eddy current method | 
| C. | Visual inspection | 
| D. | Dimensional inspection | 
| Answer» D. Dimensional inspection | |
| 8. | A metallic powder is basically used as a coating for the heat transfer enhancement. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 9. | In salvaging of castings, cooling fluid used can be directly exposed to the hot castings to enhance heat transfer. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 10. | Which of the following parts of castings are mostly salvaged with defective cast cooling bumps? | 
| A. | Piston | 
| B. | Cylinder | 
| C. | Connecting rods | 
| D. | Gas turbine parts | 
| Answer» E. | |