McqMate
Chapters
1. |
What is broaching? |
A. | A machining process used for increasing the size of the existing hole |
B. | A machining process used for grinding hardened steel |
C. | A machining process used for making intricate holes accurately |
D. | A machining process for removal of a layer of material of desired width and depth |
Answer» D. A machining process for removal of a layer of material of desired width and depth |
2. |
What is the main advantage of broaching over shaping process? |
A. | Use of single point cutting tool which are inexpensive and can be grounded to any shape |
B. | Thin or fragile jobs can be conveniently machined because of lower cutting forces |
C. | Surfaces with obstruction can also be machined |
D. | Removal of the whole material in one stroke |
Answer» D. Removal of the whole material in one stroke |
3. |
For which of the following operations, broaching can be used? |
A. | Threading |
B. | Grinding |
C. | Spline cutting |
D. | Increasing the size of the existing hole for a certain length |
Answer» C. Spline cutting |
4. |
Why push type broaches are made shorter in length? |
A. | To reduce machining time |
B. | To increase the efficiency |
C. | For easy handling of the tool |
D. | To avoid buckling |
Answer» D. To avoid buckling |
5. |
Why chip breakers are provided on the broach? |
A. | To reduce machining time. |
B. | To increase the cutting force by breaking the chips |
C. | To reduce the friction between tool surface and the workpiece by breaking the chips |
D. | To break up the wide curling chips |
Answer» D. To break up the wide curling chips |
6. |
Why neck section provided in the pull type broaches are made shorter in diameter? |
A. | To provide better surface finish |
B. | To remove chips easily |
C. | To allow failure in case of overloading |
D. | For holding purpose |
Answer» C. To allow failure in case of overloading |
7. |
In broaching, generally the broach remains fixed and the workpiece travels providing cutting velocity. |
A. | True |
B. | False |
C. | none |
D. | all |
Answer» B. False |
8. |
How many types of broaches are there? |
A. | 3 |
B. | 5 |
C. | 8 |
D. | 9 |
Answer» D. 9 |
9. |
Which of the following broaches are re-sharpened by grinding at rake faces? |
A. | Form relieved type |
B. | Modular type |
C. | Profile sharpened type |
D. | Sectional type |
Answer» A. Form relieved type |
10. |
Which of the following type of broaches are sharpened or re-sharpened by grinding at the flank surfaces? |
A. | Profile sharpened type |
B. | Sectional type |
C. | Segmented type |
D. | Ordinary cut type |
Answer» A. Profile sharpened type |
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