McqMate
Chapters
| 1. |
What does the boring mean? |
| A. | a process of making a hole in an object |
| B. | a process of enlarging a hole which is already in an object |
| C. | a process of finishing an existing hole very smoothly and accurately in size |
| D. | none of the above |
| Answer» A. a process of making a hole in an object | |
| 2. |
Which operation can correct hole location, size or alignment of the hole which is already drilled in workpiece? |
| A. | Boring |
| B. | Rimming |
| C. | Both a. and b |
| D. | None of the above |
| Answer» A. Boring | |
| 3. |
Which drilling machine is used to perform drilling operation on the workpieces which are too heavy and also maybe too large to mount on worktable? |
| A. | Portable drilling machine |
| B. | Sensitive drilling machine |
| C. | Radial drilling machine |
| D. | none of the above |
| Answer» C. Radial drilling machine | |
| 4. |
The effect of setting a boring tool above center height leads to |
| A. | Increase in the effective rake angle and a decrease in the effective clearance angle |
| B. | Increase in both effective rake angle and effective clearance angle |
| C. | Decrease in the effective rake angle and an increase in the effective clearance angle |
| D. | Decrease in both effective rake angle and effective clearance angle |
| Answer» A. Increase in the effective rake angle and a decrease in the effective clearance angle | |
| 5. |
In which of the following machine, the work rotates and the tool is stationary? |
| A. | Vertical boring machine |
| B. | Horizontal boring machine |
| C. | Precision boring machine |
| D. | Jig boring machine |
| Answer» A. Vertical boring machine | |
| 6. |
The process of chamfering the entrance of a drilled hole is known as_____ |
| A. | counter-boring |
| B. | counter-sinking |
| C. | counter-fillet |
| D. | trepanning |
| Answer» B. counter-sinking | |
| 7. |
On drilling machine, which process is known as reaming? |
| A. | Enlargement of existing hole |
| B. | Hole made by removal of metal along the hole circumference |
| C. | Smoothly finishing and accurately sizing a drilled hole |
| D. | All of the above |
| Answer» C. Smoothly finishing and accurately sizing a drilled hole | |
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