answer 12 1) Two parallel shaft connected by pure rolling turn in the same direction and havinga speed ratio of 2.75. What is the distance of the two shaft if the smaller cylinder is22cm in diameter.2) Three cylinder A:B:C has a speed ratio of 3:2:4 are externally in contact to eachother. If center distance between cylinder A and C is 30 in, find the diameter ofcylinder 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 bythe equation:5) A planar mechanism has 8 links and 10 rotary joints. The number of degrees offreedom of the mechanism using Kutzback Equation is _--6) The number of degrees of freedom of a planar linkage with 8 links and 9 simplerevolute joints is7) For a four-link assembly, how many numbers of degrees of freedom F associatedwith it?8) A five-link planar mechanism with five revolute pairs (one link is fixed). The numberof degrees of freedom of this mechanism is9) 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 chainis best described to be11) In a crank-rocker (four-bar linkage), S denotes the shortest link length, L thelongest link length, P and Q are the lengths of other two links. If there is to becontinuous 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

The sum of the length of the shortest and the longest of a planar quadrilateral linkage if less than…

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Mechanical Engineering

answer 12

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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Concept explainers

Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

answer 12

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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