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(a)
Interpretation:
The adjustment in the composition of ABS is to be determined to obtain good impact properties.
Concept Introduction:
Polymers are the large molecules which are made up of many small repeating units bonded together in linear, branched or cross-linked manner.
They are of two types: natural and synthetic. Natural polymers are those which occur naturally, and synthetic polymers are those which are synthesized or man-made.
Polymers which are produced by polymerizing more than one type of monomers are known as copolymers.
(b)
Interpretation:
The adjustment in the composition of ABS is to be determined to obtain ductility at room temperature.
Concept Introduction:
Polymers are the large molecules which are made up of many small repeating units bonded together in linear, branched or cross-linked manner.
They are of two types: natural and synthetic. Natural polymers are those which occur naturally, and synthetic polymers are those which are synthesized or man-made.
Polymers which are produced by polymerizing more than one type of monomers are known as copolymers.
(c)
Interpretation:
The adjustment in the composition of ABS is to be determined to obtain good strength at room temperature.
Concept Introduction:
Polymers are the large molecules which are made up of many small repeating units bonded together in linear, branched or cross-linked manner.
They are of two types: natural and synthetic. Natural polymers are those which occur naturally, and synthetic polymers are those which are synthesized or man-made.
Polymers which are produced by polymerizing more than one type of monomers are known as copolymers.
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Chapter 16 Solutions
Essentials Of Materials Science And Engineering
- Suppose you buy an electronic device that you operate continuously. The device costs you $300 and carries a one-year warranty. The warranty states that if the device fails during its first year of use, you get a new device for no cost, and this new device carries exactly the same warranty. However, if it fails after the first year of use, the warranty is of no value. You plan to use this device for the next six years. Therefore, any time the device fails outside its warranty period, you will pay $300 for another device of the same kind. (We assume the price does not increase during the six-year period.) The time until failure for a device is gamma distributed with parameters α = 2 and β = 0.5. (This implies a mean of one year.) Use @RISK to simulate the six-year period. Include as outputs (1) your total cost, (2) the number of failures during the warranty period, and (3) the number of devices you own during the six-year period. Your expected total cost to the nearest $100 is _________,…arrow_forwardwhat is the intake flow in cfm of a 5.3 liter engine running at 6200 RPM with a volumetric efficiency of 86%. If we supercharge it to flow 610 CFM what is the volumetric efficiency?arrow_forwardA cheetah is crouched 20 m to the east of an observer. At time t = 0 s, the cheetah begins to run due east toward an antelope that is 50 m to the east of the observer. During the first 2.0 s of the attack, the cheetah's coordinate x varies with time according to the equation x = 20 + 5t?. (a) Find the cheetah's displacement between t1 = 1.0 s and t2 = 2.0 s. (b) Find its average velocity during that interval. (c) Derive an expression for the cheetah's instantaneous velocity as a function of time, and use it to find Vy at t = 1.0 s and t = 2.0 s.arrow_forward
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