 
			 
			MCQOPTIONS
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				This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Advanced Machining knowledge and support exam preparation. Choose a topic below to get started.
| 1. | State whether the following statement is true or false.“As the pump pressure increases, depth of cut decreases in Water jet machining.” | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 2. | Which of the following property/ies of nozzle does not affect the material removal rate in Water jet machining? | 
| A. | Material | 
| B. | Diameter | 
| C. | Outside temperature | 
| D. | Stand-off distance | 
| Answer» D. Stand-off distance | |
| 3. | In WJM, what are the properties of jet fluid that affect the MRR? | 
| A. | Velocity | 
| B. | Flow rate | 
| C. | Viscosity | 
| D. | All of the mentioned | 
| Answer» E. | |
| 4. | What is the value of feed rate in Water Jet Machining? | 
| A. | 0.0001 – 0.025 m/min | 
| B. | 0.05 – 0.25 m/min | 
| C. | 0.5 – 200 m/min | 
| D. | 200 – 500 m/min | 
| Answer» D. 200 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 500 m/min | |
| 5. | What is the value of material thickness of work piece in WJM? | 
| A. | 0.001 – 0.25 mm | 
| B. | 0.8 – 25 mm | 
| C. | 50 – 100 mm | 
| D. | 100 – 500 mm | 
| Answer» C. 50 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 100 mm | |
| 6. | What are the values of jet velocities in Water jet machining? | 
| A. | 100 – 200 m/s | 
| B. | 200 – 500 m/s | 
| C. | 500 – 1500 m/s | 
| D. | 1500 – 3000 m/s | 
| Answer» D. 1500 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 3000 m/s | |
| 7. | What is the value of stand-off distance in Water jet machining? | 
| A. | 0.1 – 1 mm | 
| B. | 1 – 2 mm | 
| C. | 2 – 6 mm | 
| D. | 6 – 14 mm | 
| Answer» D. 6 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 14 mm | |
| 8. | What is the value of diameter of the jet cutting nozzle in WJM? | 
| A. | 0.01 – 0.1 mm | 
| B. | 0.1 – 0.3 mm | 
| C. | 0.3 – 0.7 mm | 
| D. | 0.7 – 1.5 mm | 
| Answer» C. 0.3 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 0.7 mm | |
| 9. | Distance between which components, is the stand-off distance? | 
| A. | Nozzle-inlet and work piece top | 
| B. | Nozzle-outlet and work piece-top | 
| C. | Nozzle-inlet and work piece-bottom | 
| D. | Nozzle-outlet and work piece-bottom | 
| Answer» C. Nozzle-inlet and work piece-bottom | |