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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. | |