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UNIT- I
STEADY AND VARIABLE STRESSES
1.  Define Design.
Creating a plan or drawing for a product using intellectual ability and scientific knowledge is called design.  A product so designed should permit economical manufacture, and it should meet the specification requirements.

2.  What are the classifications of machine design?
a)  Adaptive design
b)  Development design
c)  New Design


3.  What are the classifications of machine design based on methods?

a)  Rational design
b)  Empirical design
c)  Industrial Design
d)  Optimum design
e)  System Design
f)   Element design
g)  Computer aided design



4.  What are the general considerations to be considered in designing of a machinecomponent?

1.  Type of load  and stresses caused by the load
2.  Motion of the parts or kinematics of machines
3.  Selection of materials
4.  Form and size of the parts
5.  Frictional resistance and lubrication
6.  Convenient and economical features
7.  Use of standard parts
8.  Safety of operation
9.  Workshop facilities
10.     Number of machines to be manufactures
11.     Cost of construction
12.     Assembling


5.  Write down the general procedure in Machine Design.

a)  Recognition of need
b)  Specifications & Requirements – Design Synthesis
c)  Feasibility Study
d)  Creative Design Synthesis
e)  Preliminary Design and Development
           i.      Analysis of forces
          ii.      Material Selection
f)   Detailed Design of elements
g)  Prototype Building, Testing and Modification
h) Detailed drawing and design for production


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