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This section includes 4 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. |
In a lifting machine, the effort required to lift loads of 200N and 300N were 50N and 60N respectively. If the velocity ratio of the machine is 20 determine efficiency to load of 200 N. |
A. | 10 % |
B. | 15 % |
C. | 20 % |
D. | 25 % |
Answer» D. 25 % | |
2. |
A machine raised a load of 360 N through a distance of 200 mm. The effort, a force of 60 N moved 1.8 m during the process. Calculate effect of friction. |
A. | 10 N |
B. | 20 N |
C. | 30 N |
D. | 40 N |
Answer» C. 30 N | |
3. |
A machine raised a load of 360 N through a distance of 200 mm. The effort, a force of 60 N moved 1.8 m during the process. Calculate efficiency at this load. |
A. | 44.44% |
B. | 55.55% |
C. | 66.66% |
D. | 77.77% |
Answer» D. 77.77% | |
4. |
A machine raised a load of 360 N through a distance of 200 mm. The effort, a force of 60 N moved 1.8 m during the process. Calculate mechanical advantage. |
A. | 6 |
B. | 7 |
C. | 8 |
D. | 9 |
Answer» B. 7 | |