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9) How many instantaneous centers of rotation for a 6-link mechanism?

9) How many instantaneous centers of rotation for a 6-link mechanism?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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1) Two parallel shaft connected by pure rolling turn in the same direction and having a speed ratio of 2.75. What is the distance of the two shaft if the smaller cylinder is 22cm in diameter. 2) Three cylinder A:B:C has a speed ratio of 3:2:4 are externally in contact to each other. If center distance between cylinder A and C is 30 in, find the diameter of cylinder B. 3) If the number of links in a mechanism is 6, the number of pairs would be --- 4) The criterion of constraints for a kinematic chain having plane motion is given by the equation: 5) A planar mechanism has 8 links and 10 rotary joints. The number of degrees of freedom of the mechanism using Kutzback Equation is _-- 6) The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is 7) For a four-link assembly, how many numbers of degrees of freedom F associated with it? 8) A five-link planar mechanism with five revolute pairs (one link is fixed). The number of degrees of freedom of this mechanism is 9) How many instantaneous centers of rotation for a 6-link mechanism? 10) A six-link chain with no higher pairs has 5 binary joints and 1 ternary joint The chain is best described to be 11) In a crank-rocker (four-bar linkage), S denotes the shortest link length, L the longest link length, P and Q are the lengths of other two links. If there is to be continuous relative motion between the links, then ---. 12) The lengths of links of a 4-bar linkage with revolute pairs only are p, q, r and s units. Given that p <q <r< s. Which of these links should be the fixed one, for obtaining a "double crank" mechanism? 13) A crank of radius 12cm is rotating at 60rpm with an angular acceleration of 50 rad/. The tangential acceleration of the crank is equal to -- 14) A cam operating roller follower has the following dimensions, radius of base and nose circle as 15mm and 10mm respectively and distance between them is 8mm. Determine lift made by the follower. 15) A cam operating roller follower has the following dimensions, radius of base and nose circle as 25mm and 15mm respectively and distance between them is 9mm. Determine lift made by the follower.
Transcribed Image Text:1) Two parallel shaft connected by pure rolling turn in the same direction and having a speed ratio of 2.75. What is the distance of the two shaft if the smaller cylinder is 22cm in diameter. 2) Three cylinder A:B:C has a speed ratio of 3:2:4 are externally in contact to each other. If center distance between cylinder A and C is 30 in, find the diameter of cylinder B. 3) If the number of links in a mechanism is 6, the number of pairs would be --- 4) The criterion of constraints for a kinematic chain having plane motion is given by the equation: 5) A planar mechanism has 8 links and 10 rotary joints. The number of degrees of freedom of the mechanism using Kutzback Equation is _-- 6) The number of degrees of freedom of a planar linkage with 8 links and 9 simple revolute joints is 7) For a four-link assembly, how many numbers of degrees of freedom F associated with it? 8) A five-link planar mechanism with five revolute pairs (one link is fixed). The number of degrees of freedom of this mechanism is 9) How many instantaneous centers of rotation for a 6-link mechanism? 10) A six-link chain with no higher pairs has 5 binary joints and 1 ternary joint The chain is best described to be 11) In a crank-rocker (four-bar linkage), S denotes the shortest link length, L the longest link length, P and Q are the lengths of other two links. If there is to be continuous relative motion between the links, then ---. 12) The lengths of links of a 4-bar linkage with revolute pairs only are p, q, r and s units. Given that p <q <r< s. Which of these links should be the fixed one, for obtaining a "double crank" mechanism? 13) A crank of radius 12cm is rotating at 60rpm with an angular acceleration of 50 rad/. The tangential acceleration of the crank is equal to -- 14) A cam operating roller follower has the following dimensions, radius of base and nose circle as 15mm and 10mm respectively and distance between them is 8mm. Determine lift made by the follower. 15) A cam operating roller follower has the following dimensions, radius of base and nose circle as 25mm and 15mm respectively and distance between them is 9mm. Determine lift made by the follower.
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