Explain why low molecular weight polyethylene is often added to UHMWPE
What will be an ideal response?
The major problem with UHMWPE is the difficulty in melting and processing the material. By adding a low molecular weight polyethylene, the material will melt and lubricate the higher molecular weight mass, thus allowing the material to be processed even though it is not fully melted.
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Suppose that 90% of bolts and 85% of nails meet specifications. One bolt and one nail are chosen independently.
a. What is the probability that both meet specifications? b. What is the probability that neither meets specifications? c. What is the probability that at least one of them meets specifications?
Vitamin ____________________ is essential in the formation of the protein collagen
Fill in the blank(s) with correct word
Two technicians are diagnosing a poorly running engine with no stored DTCs. When the MAF sensor is unplugged, the engine runs better. Technician A says that this means the MAF is supplying incorrect air flow information to the PCM. Technician B says that this indicates the PCM is defective. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
A precisely drilled hole that controls the amount of gas entering a burner is called
A) A metering device B) A carburetor C) An orifice D) A gas jet