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Questions and Answers
What is the definition of a four-bar linkage?
What is the definition of a four-bar linkage?
- A centrally pivoted lever in the valve train of an engine
- A mechanism that changes continuous rotary motion into intermittent linear motion
- A shape used for a parallel linkage
- A fixed structure that provides the connection to fixed pivot joints (correct)
What is the purpose of a cam and follower mechanism?
What is the purpose of a cam and follower mechanism?
- To convert the motion of rods to open valves (correct)
- To change continuous rotary motion into intermittent linear motion
- To assist objects' rotation
- To achieve a particular gear ratio
What is the definition of a pitch circle in the context of gears?
What is the definition of a pitch circle in the context of gears?
- A machine element where teeth are cut around cylindrical or cone shaped surfaces with equal spacing
- A whole number used to specify the ratio of the number of teeth in a gear to its pitch diameter
- The circumference used as the standard of a pitch to express the size of gear teeth (correct)
- An assembly of rigid mechanical components within a mechanism that are linked together
What is the function of bearings in mechanical systems?
What is the function of bearings in mechanical systems?
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What is the purpose of a gear train in machinery?
What is the purpose of a gear train in machinery?
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