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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.
Fifth Service and Sixth Service Following extra mandatory checks are required during the fifth service of a 125 cc motorcycle : Inspect engine oil and top up as re
Two machining operations, A (3 minutes per part) and B (10 minutes per part), are performed sequentially to manufacture a part. Machines A and B produce 5% and 6% defective items,
Windmills were traditionally used for processing grains, later they started to be used for electricity production as well. Windmills can also be used to pump water.
Inlet and Exhaust Valves : Valves are commonly mushroom shaped poppet type. They are provided on the cylinder for regulation of the charge coming into the cylinder (inlet valve)
definition and derevation
Constructive Solid Geometry (Csg or C-Rep) A CSG model is based on the topological notion that a physical project object can be divided into a set of primitives that can be com
In mechanics, stress is a measure of the internal forces acting within a deformable body. Quantitatively, it is a measure of the average force per unit area of a surface within the
Hello sir, i would like to ask you if is possible to show me a sample of programing code which is used in arduino uno while programming fingerprint based on vehicle starting system
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jane reed bakes bread and cakes in her home for parties and other affairs
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