4. Cross sectioning
a) Describe briefly the steps involved in a cross-sectioning
procedure of an encapsulated sample.
b)Explain the differences between grinding ad polishing.
4. The following data were obtained from a creep test for a
specimen having an
initial gage length of 2.0 in. and an initial diameter of 0.6
in. The initial stress
applied to the material is 10,000 psi. The diameter of the
specimen after fracture
is 0.52 in.
Length Between Gage Marks ( (in.)
Time (h)
Strain (in./in.)
2.004
0
0.002
2.01
100
0.004
2.02
200
0.006
2.03
400
0.008
2.045
1000
0.012
2.075
2000
0.020
2.135
4000
0.035
2.193...
describe a procedure to synthesize the ester ethyl ethanoate,
starting from ethene. Include in your answer details of the
conditions and safety precautions required for the procedure
Describe how you would conduct a two-sample hypothesis test. Select
the variables (dependent and independent),and briefly set up the
test. Include any ethical issues you might run across as you begin
to collect your data.
answer the all parts of question like it says!!! do not
plagiarize!!!! answer must be a minmim of 350 words!! follow
directions!!!