MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Tools knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An odd thread is one, whose pitch is an exact multiple of the pitch of the lead screw. |
| A. | true |
| B. | false |
| Answer» C. | |
| 2. |
In chasing dial, dial rotate as long as the half nut is_____ |
| A. | engaged |
| B. | not engaged |
| C. | either engaged or not engaged |
| D. | none of the mentioned |
| Answer» C. either engaged or not engaged | |
| 3. |
The chasing dial is mounted on the right end of the _____ |
| A. | tool post |
| B. | apron |
| C. | head stock |
| D. | none of the mentioned |
| Answer» C. head stock | |
| 4. |
In thread chasing dial, half nut is closed when any numbered live coincides with reference live for_____ thread. |
| A. | even |
| B. | odd |
| C. | can t say anything |
| D. | none of the mentioned |
| Answer» C. can t say anything | |
| 5. |
In thread chasing dial, the half nut is_____ when any live on the dial coincides with a reference live already set. |
| A. | opened |
| B. | closed |
| C. | partially opened and partially closed |
| D. | none of the mentioned |
| Answer» C. partially opened and partially closed | |
| 6. |
Which of the following is not true for thread cutting? |
| A. | tool post is driven by lead screw axially against the work piece |
| B. | the lead screw has a trapezoidal thread |
| C. | the relative type of speeds of rotation of the work and the lead screw can result in the cutting of a screw of the desired pitch |
| D. | none of the mentioned |
| Answer» E. | |
| 7. |
In thread cutting, definite ratio is calculated between the_____ feed and rotation of the_____ spindle. |
| A. | longitudinal, headstock |
| B. | cross, headstock |
| C. | cross, tailstock |
| D. | longitudinal, tailstock |
| Answer» B. cross, headstock | |
| 8. |
In thread cutting, which of the following receives traversing motion from the lead screw of the lathe? |
| A. | apron |
| B. | top slide |
| C. | cross slide |
| D. | none of the mentioned |
| Answer» E. | |
| 9. |
In thread cutting, the _____ feeds should be equal to the pitch of the thread, which is to be cut per revolution of the work piece. |
| A. | cross feed |
| B. | longitudinal feed |
| C. | angular feed |
| D. | none of the mentioned |
| Answer» C. angular feed | |
| 10. |
In thread cutting, which type of feed motion is possible? |
| A. | engaging |
| B. | disengaging |
| C. | either engaging or disengaging |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 11. |
The split is mounted in the_____ of the carriage. |
| A. | saddle |
| B. | apron |
| C. | top slide |
| D. | cross slide |
| Answer» C. top slide | |
| 12. |
The _____ motion is converted into_____ motion of the tool slide
|
| A. | rotary, feed |
| B. | feed, rotary |
| C. | transmitting, longitudinal |
| D. | none of the mentioned |
| Answer» B. feed, rotary | |
| 13. |
The lead screw obtains_____ motion from the working spindle. |
| A. | rotary |
| B. | transmitting |
| C. | both rotary and transmitting |
| D. | none of the mentioned |
| Answer» B. transmitting | |
| 14. |
The threading tool is clamped in the tool post on the compound slide. |
| A. | true |
| B. | false |
| Answer» B. false | |