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Material Science
Page 2
Questions (90)
Because of Egyptians constructed early forms of glass and mortar for settling bricks scholars know they were skilled in which
1 answer
asked anonymously
36 views
Examples of softwood and three of it properties
1 answer
asked by
Bamise Falodun
24 views
Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO
Quench the entire sample in water Quench half
4 answers
asked by
Anon
1,090 views
Polycarbonate plastic has a density of 12 g/cm3. A photo frame is contructed feom two 3 I n sheets of polycarbonate. Each sheet
2 answers
asked by
Monica
1,073 views
Hi Just want to know if water from a 20mm Polyethylene pipe under pressure of 3 bars passes to a 25mm polyethylene will cause a
2 answers
asked by
Sudesh CANDEN
981 views
a)Calculate the lattice constant a in palladium (Pd).express your answer in angstroms.
b) Calculate the distance (in angstroms)
7 answers
asked by
selly
878 views
1) With reference to electrochemical corrosion, explain the following phenomena:
i) Anodic Polarization ii) Cathodic Polarization
1 answer
asked by
Claire
827 views
According to one set of measurements, the tensile strength of hair is 196 MPa, which produces a maximum strain of 0.400 in the
1 answer
asked by
Erin
816 views
Name the majority charge carrier in the doped material.
Holes Electrons Electron-hole pairs The dopant ion
2 answers
asked by
selly
735 views
hey everyone out there im new to this forum so please be nice. hahaha :D as the subject says this is about ozone cracking. well
4 answers
asked by
Anonymous
606 views
Which of these processes will lower the glass transition temperature of a glass? Increase the cooling rate, Decrease the cooling
3 answers
asked by
adex
582 views
A couple questions here:
1. How do you expect nitriding to change the properties of iron? a) Nitriding makes iron stronger. b)
2 answers
asked by
Sara
491 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
6 answers
asked by
Joel
499 views
How many grams silver is added to 13 grams gold to produce 85% gold alloy?
2 answers
asked by
Brenna
466 views
Chromium is diffused into steel at 980o C to increase its corrosion resistance. If during the diffusion the surface
1 answer
asked by
kanthimathi
458 views
The density of aluminum is 2.70 g/ml. What is the mass of a cube of Al that measures 2.20 cm on each side?(remember significant
1 answer
asked by
Anonymous
451 views
The built-in composite bar BC of length L=2 m is composed of two materials with equal cross sectional area A = 100 mm2. The
1 answer
asked by
DELL
463 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1 answer
asked by
y
459 views
Define the following according to material science
i)mining ii)strength iii) compression iv) Tension v) characteristic
1 answer
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13 views
Define substance according to material science
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13 views
Glass fractures in a variety of pattern due to its amorphous atomic structure.
T. True F. False
1 answer
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14 views
Which property can be used to design a fabric that protects skin from heat?
A. low conductivity B. high viscosity C. high
1 answer
asked by
e
72 views
Rust on an artifact is an example of
1 answer
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45 views
Four factors that influence the choice of a good conductor for a particular application
1 answer
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11 views
What properties of silica sand make it useful in hydraulic fracturing?(1 point)
Responses It absorbs excess moisture. It absorbs
1 answer
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56 views
Why are metals sometimes added to gold?
to make it softer and more malleable to improve the value of gold to raise its melting
3 answers
asked by
e
52 views
Which property of spider silk is not shared by Kevlar?(1 point)
Responses flexibility flexibility shock resistance shock
1 answer
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38 views
Who are known material scientist
1 answer
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12 views
The use of which material can substitute for copper and reduce copper mine production?(1 point)
Responses gold gold quartz quartz
1 answer
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16 views
Which term best describes Styrofoam?
A. metal mixture B. raw material C. nonmetal mixture D. synthetic material
11 answers
asked anonymously
36 views
Which term best describes Styrofoam?(1 point)
Responses raw material raw material nonmetal mixture nonmetal mixture metal mixture
1 answer
asked by
baby weiner
20 views
Glass and ________________ can be considered insulators. (select all correct responses)
a air b copper c rubber d silk
1 answer
asked anonymously
14 views
Why are most oven mitts made out of cloth?
a Cloth is the only material available to make oven mitts. b Cloth is a conductor and
1 answer
asked anonymously
15 views
Use this sentence: A student is trying to make a structure to conduct heat quickly during cold winter days.
Which material should
1 answer
asked by
GREEN FN
33 views
A square cast-iron bar is placed under 50 kN pressure. 6.3.1 Calculate the dimensions of the bar if the stress in the bar is not
1 answer
asked by
ADIVHAHO
11 views
Plywood is made by gluing together thin layers of wood. Which term best describes plywood? (1 point)
• natural • raw material
1 answer
asked anonymously
13 views
Which material is a composite
a gold b silicon c aluminum D polycarbonate
1 answer
asked by
Carrissa Mink
5 views
State 2 qualities that make aluminium popular for household utensils.
1 answer
asked anonymously
6 views
Giver reasons why nylon is unsuitable for sports wear.
1 answer
asked anonymously
7 views
The use of synthetic materials has pros and cons. Do you think the pros of using synthetic materials outweigh the cons? Or do
1 answer
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2 views
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