Theory Of Machine - Study Mode
[#191] The Klein's method of construction for reciprocating engine mechanism
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(C) Utilizes a quadrilateral similar to the diagram of mechanism for reciprocating engine
[#192] The driving and driven shafts connected by a Hooke's joint will have equal speeds, if
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(C) tanθ = ± cosα
[#193] A cam mechanism imparts following motion
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(D) All of the above
Explanation
Solution: Option A: Rotating A cam mechanism can impart rotational motion to the follower when designed to produce continuous circular movement. This occurs in certain cam profiles where the follower needs to rotate along with the cam. Option B: Oscillating A cam mechanism can produce oscillating motion in the follower. This happens when the follower is designed to move back and forth over a limited angle, which is common in applications like valve actuators. Option C: Reciprocating A cam mechanism is also capable of imparting reciprocating motion to the follower, where it moves in a linear path back and forth. This is often seen in applications such as engine valves and pumps. Option D: All of the above Cams are versatile mechanisms that can impart rotating, oscillating, and reciprocating motions depending on the design and profile of the cam and follower. Therefore, the correct answer is all of the above. Conclusion: The correct answer is Option D: All of the above . Cam mechanisms can be designed to impart various types of motion, including rotating, oscillating, and reciprocating, to meet different mechanical requirements.
[#194] A foot step bearing and rotor of a vertical turbine form examples of
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(B) Partially constrained motion
[#195] A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the
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(D) Radius of journal