机械理论：运动学和动力学B.V.R.Gupta

English | 2019 | ISBN: 9389447941 | PDF | pages: 525 | 134.5 mb

The Theory of Machines is an important subject to mechanical engineering students of both bachelor’s and diploma level. One has to understand the basics of kinematics and dynamics of machines before designing and manufacturing any component. The subject material is presented in such a way that an average student can easily understand the concepts. The graphical methods of analysis are given preference over analytical wherever possible though they lack in accuracy but can be performed quickly. Particular care has been taken to draw diagrams to scale correctly. The results are compared with analytical ones wherever possible. Common doubts that the students have while preparing for the examinations or new faculty in the classrooms have been kept in mind. The same examples are being explained wherever different methods are there instead of giving different examples. The effect of the different parameters on the end result also is shown in the same problem, for example, in cams and governors etc. In the exercises at the end of each chapter, questions from the question papers of various universities are given under three categories ? short answer questions, problems, multiple choice questions. Some of the questions may be seen repeated. One should note that they are being given repeatedly and are important for examination purpose.

中文| 2019 | ISBN:9389447941 | PDF |页数：525 | 134.5 mb机械理论是学士和文凭水平的机械工程学生的一门重要学科。在设计和制造任何部件之前，必须了解机器的运动学和动力学基础知识。主题材料的呈现方式使普通学生能够轻松理解概念。在可能的情况下，图形分析方法优先于分析方法，尽管它们缺乏准确性，但可以快速执行。已特别注意按正确比例绘制图表。尽可能将结果与分析结果进行比较。学生在准备考试或在课堂上新教师时的常见疑虑一直被铭记在心。只要有不同的方法，就会解释相同的例子，而不是给出不同的例子。不同参数对最终结果的影响也显示在同一个问题中，例如凸轮和调速器等。在每章末尾的练习中，各大学试卷中的问题分为三类？简答题、问题、多项选择题。有些问题可能会重复出现。应该注意的是，它们被反复使用，对考试很重要。

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