Chapter: Sawing and Broaching Machines
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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