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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.
The resultant of four vertical forces is a couple moment 30 Nm acting counter clockwise. Three of the four forces are shown in fig given below. Evaluate the fourth force.
two prepety rule
Q. Inspection and testing of vessels? The Vendor shall be responsible for all inspection and testing. WorleyParsons reserves the right to inspect vessels or parts of vessels at
A triangle ABC with vertices A (30,20), B(90,20), C(30,80) is to be scaled by a factor of 0.5 about a point X(50,40). Calculate :- (i) The composite transformation matrix; and
CONCURRENT FORCES
How to design a flat form tool when the form of the workpiece is given.
Jewels can only be removed for polishing from either end of the necklace
To select the project, if not already done. Due to above Problem's in Hydrostatic sensor paver machine, now the select the project and solves the problems and also the cost eff
how is varignons theorem useful in engineering mechanics
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