Resources, Processes and Materials Engineering (Semester 2 2022 Campus – INT[1]) Final Exam Take Test: Module A sample questions
Take Test: Module A sample questions
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QUESTION 1
Please match the following descriptions to the Materials, Resources and Processes, for the production of polyethylene bags.
– Hydrocarbon reservoirs
– Crude oil
A. Bulk Material
B. Process that converts raw material to bulk chemical
C. Engineering Material
D. Natural resources
E. Process that converts the engineering material to the end product
F. Process that converts resource to raw material
G. Raw material
QUESTION 2
Polyethylene sheets Drilling
Extrusion and blowing
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A composite material is made from metal fibres in an epoxy matrix. Give the following data for elastic modulus, estimate the volume fraction of metal fibres required to make up a composite elastic modulus of 42 GPa.
Yield strenth of epoxy matrix is 1.1 GPa Yield strength of metal fibres is 68 GPa Give your answer to 2 decimal places.
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QUESTION 3
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2022/10/20 22:34 QUESTION 3 Take Test: Module A sample questions – Res
ources, …
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Using the data in the following Table, match the material its description of properties.
Yield Strength (MPa)
A 840 B 12 C 425 D 125 E 170 F 775
Material C
– Material D
– Material A
– Material F
– Material B
QUESTION 4
In geophysics, which physical property cannot be detected using magnetic or seismic methods?
Thermal conductivity Electrical conductivity Bulk density
Magnetic susceptibility Acoustic velocity
QUESTION 5
Ultimate Tensile Strength (MPa)
840 0.1 36 200 460 8 150 25 360 20 1060 9.4
830 390 32 1.4 445 75 130 75 295 121 950 200
Elongation at Fracture (%)
Fracture Strength (MPa)
Young’s Modulus (GPa)
I. is very likely the hardened version of Material D?
II. is the strongest?
III. is most likely to have the highest melting point?
IV. is the closest to a rubbery polymer?
V. exhibits an almost identical elastic region to Material C, up to the lowest yield point of both?
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electromagnetic,
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Calculate how much energy is required to grind an ore from an F80 294 microns down to a P80 34 microns, if the Bond Word Index of the ore was 14.48 kWh/t. Give your answer in kWh/t to 1 decimal place.
QUESTION 6
Which of the following statement(s) is correct?
Nanomaterials have low embodied energy and carbon footprint because they are small.
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Gold is more reactive when nano-sized than when in bulk form.
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Nano particles of gold have a lower melting point than bulk gold
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Nano particles of gold have a lower melting point than bulk gold.
The surface area of a material decreases when converting it to nano-particles.
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QUESTION 7
Which of the following statement(s) is correct?
3D printing is also called additive manufacturing
3D printing is an alternative manufacturing process that uses only renewable resources to make end products.
An object can be created by 3D printing by adding layers of material.
3D printing is an alternative manufacturing process that converts raw/bulk materials to end products.
QUESTION 8
Hydrogen has the highest heating value of all fuels. A thermal battery stores heat energy.
Hydrogen has zero carbon footprint in its life cycle as a fuel. Hydrogen can be made by gasi cation of biomass.
QUESTION 9
A cradle-to-grave Life Cycle Analysis (LCA) consists of 5 distinct steps. Order the following from 1 to 5:
Product manufacture Raw materials acquisition Product disposal Material manufacture
– Product use
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Nanoparticles can be made by grinding down larger particles.
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QUESTION 10
4 points Save Answer
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2022/10/20 22:34 Take Test: Module A sample questions – Resources, …
Your team has 3 sets of seismic data from 3 locations and has to decide which one to recommend for drilling.
Order the sites according to which one you think has the most likelihood of nding a resource underneath.
Site 1 Site 2 Site 3
QUESTION 11
Distillation is the separation of crude oil fractions, based on di erences in their boiling points. Order the following fractions from the lowest boiling, to the highest boiling.
Site 1 Site 2 Site 3
Zbottom layer 5 x 106 4.5 x 106 5.7 x 106
Ztop layer 1.5 x 106 2.5 x 106 1.2 x 106
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– Butane (C4H10)
– Heptane (C7H16)
A. > 500 °C
C. 30-180 °C D. > 350 °C
E. 180-260 °C
QUESTION 12
Kerosene (C14H30) Asphalt Lubricating Oils
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Your team has 3 sets of seismic data from 3 locations and has to decide which one to recommend for drilling.
Acoustic Impedance Z Ztop layer
Zbottom layer
4.4 x 106 8.5 x 106
6.9 x 106 8.8 x 106
2.3 x 106 9.4 x 106
Write down the largest re ection coe cient R, to 2 decimal places, below.
QUESTION 13
Epoxy matrix and metal fibres make up a composite material. Estimate the volume fraction of metal fibres required to make up a composite elastic modulus of 41 GPa.
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Take the elastic modulus of epoxy matrix to be 4.7 GPa, and the elastic modulus of metal fibres to be 67 GPa.
Give your answer to 2 decimal places.
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