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1) State five factors that must be considered when choosing a material. Discuss the importance to the engineer of each of these factors.
2) An engineer is planning to design a small boat: he has the choice of aluminium or steel. From the information below make an informed decision, with justifications, on which material should be used
Aluminium
Steel
Weight
2.65 tonnes/m3
7.86 tonnes/m3
Yield strength
275 MPa
205 MPa
UTS
310 MPa
345 MPa
corrosion
Excellent
Poor
You should comment on each of the above material characteristics for each material before making your choice.
3) When designing a product this must be systematic. Briefly discuss what stages need to be considered when designing a product from 'scratch'.
4)
a) List what factors you would need to consider for a systematic approach to the design of a new product.
b) Comment on the properties that a operational and saleable product must have e.g a new car.
With an open loop system, the only way to modify the behaviour of the system is to modify the values of physical parameters in the system. For instance we can modify the damping co
High growth has been observed since 2001-02 in automobile production. Annual growth was 16.0 percent in April-December, 2004; the growth rate in 2003-04 was 15.1 percent (Table 1.
(a) Can you explain limitations of Euler's theory (b) Derive a mathematical expression to determine the crippling load of a column with on end fixed and other end hinged (c)
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Q. Module Site Installation Preparation? The following tasks shall be accomplished at the Facility site prior to setting the modules on the piles: After module support piles
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