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				This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Ideally how many gear threads should be there or each hob thread? | 
| A. | 20 | 
| B. | 30 | 
| C. | 45 | 
| D. | 10 times the number of hob threads | 
| Answer» C. 45 | |
| 2. | As the number of threads on the hob increases, production rate______ | 
| A. | increases | 
| B. | decreases | 
| C. | with each thread, increases by 25% | 
| D. | can’t say | 
| Answer» B. decreases | |
| 3. | As the number of threads on the hob increases, it’s accuracy_____ | 
| A. | increases | 
| B. | decreases | 
| C. | remains same | 
| D. | can’t say | 
| Answer» C. remains same | |
| 4. | The gear hob is a formed tooth milling cutter with helical teeth. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 5. | For helical gears, the angle between hob’s spindle axis and workpiece’s spindle axis must be _____ as the helix angle of the helical gear. | 
| A. | increased by the same amount | 
| B. | increased by the half amount | 
| C. | decreased by the same amount | 
| D. | decreased by the half amount | 
| Answer» B. increased by the half amount | |
| 6. | For spur gear manufacturing, angle between the hob’s spindle axis and the workpiece’s spindle axis should be equal to____ | 
| A. | (helix angle of the hob)/2b) 2*(helix angle of the hob)c) (helix angle of the hob)d) (helix angle of the ho | 
| B. | /2b) 2*(helix angle of the hob) | 
| C. | (helix angle of the hob) | 
| D. | (helix angle of the hob)2 | 
| Answer» D. (helix angle of the hob)2 | |
| 7. | In the process of gear cutting by hobbing, the angle between the hob’s spindle axis and the workpiece’s spindle axis is fixed. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 8. | AS_THE_NUMBER_OF_THREADS_ON_THE_HOB_INCREASES,_IT‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_ACCURACY_____?$# | 
| A. | increases | 
| B. | decreases | 
| C. | remains same | 
| D. | can’t say | 
| Answer» C. remains same | |
| 9. | Ideally how many gear threads should be there or each hob thread?$ | 
| A. | 20 | 
| B. | 30 | 
| C. | 45 | 
| D. | 10 times the number of hob threads | 
| Answer» C. 45 | |
| 10. | As the number of threads on the hob increases, production rate______$ | 
| A. | increases | 
| B. | decreases | 
| C. | with each thread, increases by 25% | 
| D. | can’t say | 
| Answer» B. decreases | |
| 11. | The gear hob is a formed tooth milling cutter with helical teeth? | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 12. | 5in (125 mm) capacity machine can generate gears upto_____ pitch diameter. | 
| A. | 5in | 
| B. | 10in | 
| C. | 15in | 
| D. | 20in | 
| Answer» B. 10in | |
| 13. | Hobbing machines are characterised by _____ | 
| A. | production rate | 
| B. | largest module or PCD it can generate | 
| C. | accuracy of the machine | 
| D. | size of the machine | 
| Answer» C. accuracy of the machine | |
| 14. | For helical gears, the angle between hob’s spindle axis and workpiece’s spindle axis must be _____ as the helix angle of the helical gear.$ | 
| A. | increased by the same amount | 
| B. | increased by the half amount | 
| C. | decreased by the same amount | 
| D. | decreased by the half amount | 
| Answer» B. increased by the half amount | |
| 15. | For spur gear manufacturing, angle between the hob’s spindle axis and the workpiece’s spindle axis should be equal to____$ | 
| A. | (helix angle of the hob)/2 | 
| B. | 2*(helix angle of the hob) | 
| C. | (helix angle of the hob) | 
| D. | (helix angle of the hob)2 | 
| Answer» D. (helix angle of the hob)2 | |
| 16. | In the process of gear cutting by hobbing, the angle between the hob’s spindle axis and the workpiece’s spindle axis is fixed.$ | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 17. | Hobbing is a special type of which of the following? | 
| A. | Casting | 
| B. | Grinding | 
| C. | Drilling | 
| D. | Milling | 
| Answer» E. | |
| 18. | Hobbing process is also used for which of the following application? | 
| A. | Punching | 
| B. | Metal bending | 
| C. | Rust removal | 
| D. | Sprocket cutting | 
| Answer» E. | |