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ENGR4003: Engineering Design and Practice I (Semesters 1 and 2 2024-2025:1[OBO])

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A manufacturing company will break-even when its:
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With reference to Porter’s Five-Forces model which of the following factors would you expect to decrease the competitiveness of an industry:
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In the following diagram of Porter’s Five Forces which two forces have been omitted:

Porter's Five Forces Model

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The data for a life-cycle analysis of mineral

water that is packaged in 333 ml PET bottles or aluminium cans are:

The

bottles and aluminium cans are sourced in France and in both cases they are

transported 1150 km to a company in Wales by train. While mineral water is

packaged in 333 ml PET bottles or aluminium cans in the company. Then in both

cases the products are transported 240 km to the Brookes Café by 32 tonne

truck.  On arrival, it is refrigerated

for 72 hours on average before consumption. 

After use the university has a policy of recycling the bottles or cans.

 

Material

Mass

(kg)

Material Energy

Hm (MJ/kg)

Process Energy

Hp (MJ/kg)

Recycle Energy

HRC (MJ/kg)

PET bottle and cap

0.005

81

19.3

28.4

Aluminium can

0.015

200

2.12

33.2

 

·        

Energy demand for diesel locomotive is

0.43 GJ/tonne∙km

·        

Energy demand for 32 tonne diesel truck is

0.44 MJ/tonne∙km

·        

Energy demand for refrigeration is 7 MJ/m3

per day

·        

Assume electrical conversion efficiency of 40%

·        

Assume one fridge has a capacity of 1m3

and can hold 2000 bottles or cans

·        

The density of water is 1kg/litre

·        

Assume the unit of study is 1 beverage

container in each case

 

Using

the data, answer the following question:

What is the energy

required for the raw material production of the PET bottle and Aluminium can?

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When using the Adams analysis package, ‘motions’

are applied at which of the following model entities?

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Certain material properties may influence our

choice of materials for particular applications. In the following application,

choose the correct material property that would be of primary concern.

Application: A bicycle frame is to be made that should withstand a stress of

250MPa in normal use. The frame should not deform plastically.

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When testing, as volume flow rate through the equipment increases, so to does the dynamic head, but what happens to the pressure head?

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The fundamental trade offs in business are time, money and:

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'Kaizen' refers to:

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