MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Drawing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the relation between pitch and lead for double-start threads? |
| A. | Lead = pitch |
| B. | 2*Lead = pitch |
| C. | Lead = 2*pitch |
| D. | Lead < pitch |
| Answer» D. Lead < pitch | |
| 2. |
A thread designation is given as M 8, what does that indicate? |
| A. | A metric thread of fine pitch 1mm as 8mm is the nominal diameter |
| B. | A metric thread of coarse pitch 1.25mm as 8mm is the nominal diameter |
| C. | A metric thread of nominal diameter 8mm with pitch undefined |
| D. | A metric thread of 8mm pitch with nominal diameter undefined |
| Answer» C. A metric thread of nominal diameter 8mm with pitch undefined | |
| 3. |
What will be the basic triangle height for the screw thread profile of thread angle 60° and pitch 1.25? |
| A. | 2.08 |
| B. | 1.08 |
| C. | 0.08 |
| D. | 3.08 |
| Answer» C. 0.08 | |
| 4. |
B.I.S recommends only fine threads. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Pitch diameter is the diameter of the imaginary circle passing through the points where the thread width is equal to ______ |
| A. | Pitch |
| B. | lead |
| C. | space between the threads |
| D. | approximately zero |
| Answer» D. approximately zero | |
| 6. |
A screw thread designation is given by, M12 x 1.3. What does that indicate? |
| A. | A marvelous thread of 12mm nominal diameter with 1.3 pitch |
| B. | A metric thread of 12mm pitch with 1.3mm nominal diameter |
| C. | A marvelous thread of 12mm pitch with 1.3mm nominal diameter |
| D. | A metric thread of 12mm nominal diameter with 1.3 pitch |
| Answer» E. | |
| 7. |
Which of the following is true for single-start threads? |
| A. | lead = pitch |
| B. | lead > pitch |
| C. | pitch < lead |
| D. | lead = 2*pitch |
| Answer» B. lead > pitch | |
| 8. |
The diameter of the screw (D) is 20mm, the pitch of the screw (L) is 3mm. What is the mechanical advantage? |
| A. | 21.1 |
| B. | 20.93 |
| C. | 22.9 |
| D. | 19 |
| Answer» C. 22.9 | |
| 9. |
The axial distance advanced by the screw for one complete rotation is called ______ |
| A. | Lead |
| B. | Pitch |
| C. | Travel |
| D. | Mechanical advantage |
| Answer» B. Pitch | |
| 10. |
The mechanical advantage of the screw thread is __________ if D is the diameter of the screw, L is the distance between the threads. |
| A. | D/L |
| B. | L*D |
| C. | πD/L |
| D. | πD*L |
| Answer» D. πD*L | |
| 11. |
What is the smallest diameter of the screw thread? |
| A. | Pitch diameter |
| B. | Core diameter |
| C. | Nominal diameter |
| D. | Helical diameter |
| Answer» C. Nominal diameter | |
| 12. |
What is the largest diameter of the screw thread? |
| A. | Core diameter |
| B. | Pitch diameter |
| C. | Nominal diameter |
| D. | Helical diameter |
| Answer» D. Helical diameter | |
| 13. |
A screw thread is often a _______ structure that aids in converting between rotational motion and linear motion. |
| A. | Circular |
| B. | Linear |
| C. | Helical |
| D. | Elliptical |
| Answer» D. Elliptical | |