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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The efficiency of square threaded power depends upon |
A. | mean diameter of screw |
B. | coefficient of friction |
C. | pitch of screw |
D. | all of the mentioned |
Answer» E. | |
2. |
The maximum efficiency of square threaded power depends upon |
A. | lead angle of screw |
B. | friction angle |
C. | pitch of screw |
D. | nominal diameter of screw |
Answer» C. pitch of screw | |
3. |
A cup is provided in screw jack |
A. | to reduce the friction |
B. | to prevent rotation of load |
C. | to increase load capacity |
D. | to increase efficiency |
Answer» C. to increase load capacity | |
4. |
THE_MAXIMUM_EFFICIENCY_OF_SQUARE_THREADED_POWER_DEPENDS_UPON?$ |
A. | lead angle of screw |
B. | friction angle |
C. | pitch of screw |
D. | nominal diameter of screw |
Answer» C. pitch of screw | |
5. |
The_efficiency_of_square_threaded_power_depends_upon$ |
A. | mean diameter of screw |
B. | coefficient of friction |
C. | pitch of screw |
D. | all of the mentioned |
Answer» E. | |
6. |
A cup is provided in screw jac? |
A. | to reduce the friction |
B. | to prevent rotation of load |
C. | to increase load capacity |
D. | to increase efficiency |
Answer» C. to increase load capacity | |
7. |
For over hauling screw |
A. | φ > α |
B. | α > φ |
C. | φ > α |
D. | none of the mentioned |
Answer» C. ‚âà√¨‚àö√∫ > ‚âà√≠¬¨¬± | |
8. |
For self locking screw |
A. | φ > α |
B. | α > φ |
C. | μ < tanα |
D. | μ = cosecα |
Answer» B. ‚âà√≠¬¨¬± > ‚âà√¨‚àö√∫ | |
9. |
Which of the following screw thread is used for lead screw of lathe? |
A. | square thread |
B. | trapezoidal threads |
C. | buttress threads |
D. | V threads |
Answer» C. buttress threads | |
10. |
Which of the following screw thread is stronger than other threads? |
A. | square thread |
B. | trapezoidal threads |
C. | buttress threads |
D. | V threads |
Answer» D. V threads | |
11. |
Which of the following screw thread is adaptable to split type nut? |
A. | square thread |
B. | trapezoidal threads |
C. | buttress threads |
D. | v threads |
Answer» C. buttress threads | |
12. |
Which of the following screw thread is used for transmitting force in one direction? |
A. | square thread |
B. | trapezoidal threads |
C. | buttress threads |
D. | v threads |
Answer» D. v threads | |
13. |
Which of the following screw thread is used for jacks, vices and clamps? |
A. | square thread |
B. | trapezoidal threads |
C. | buttress threads |
D. | acme threads |
Answer» B. trapezoidal threads | |