Describe why the weight of the resin charge is so important in part performance
What will be an ideal response?
The weight of the resin determines the wall thickness. The wall thickness has a major effect on the length of the heating cycle. Because plastic is not a good thermal conductor, even small increases in thickness required disproportionate times for heating. If the heating is too long, degradation can occur. If the thickness increases without the knowledge of the machine operator, the last material to adhere to the surface may not get hot enough to fully fuse. Therefore, small changes in weight can affect the heat cycle and part physical properties.
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Referring to the following figure, an indication of low engine oil pressure could be caused by which of the following:
A. Low engine oil level B. Excessive wear of internal engine components C. Faulty engine oil pressure sensor D. All of the above
A type of ____ induction motor used for operating large air conditioning units is the wound rotor induction motor.
a. switched reluctance b. three-phase c. stepper d. universal
Longevity is the length of the breeding season in a breeding herd
Indicate whether this statement is true or false.
A double-bolt pipe clamp has _____ bolts.
a. one b. two c. three d. four