Engineering, 23.03.2020 18:57, 11needhelp11
Find the True statement
a. Stress relaxation is time- and temperature-dependent
b. Polymers always have a melting temperature
c. Polyethylene becomes weaker if H is replaced with other radicals inside branches
d. Crazing indicates cracks inside the polymer
Answers: 1
Engineering, 04.07.2019 18:10, ijohnh14
Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way
Answers: 2
Engineering, 06.07.2019 04:10, kulvindar1984
Ahousehold refrigerator operating steadily and with a coefficient of performance of 2.5 removes energy from a refrigerated space at a rate of 650 kj/h. evaluating electricity at $0.06 per kw. h, determine the cost of electricity in a month when the refrigerator operates for 360 hours.
Answers: 3
Find the True statement
a. Stress relaxation is time- and temperature-dependent
b. Pol...
a. Stress relaxation is time- and temperature-dependent
b. Pol...
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