The ozone layer filters out most of the suns harmful:
A) infrared radiation
B) ultraviolet radiation
C) gamma radiation
D) alpha radiation
B) ultraviolet radiation
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Explain the purpose of a hot pass.
What will be an ideal response?
Specifications for an aircraft bolt require that the ultimate tensile strength be at least 18 kN. It is known that 10% of the bolts have strengths less than 18.3 kN and that 5% of the bolts have strengths greater than 19.76 kN. It is also known that the strengths of these bolts are normally distributed.
a. Find the mean and standard deviation of the strengths. b. What proportion of the bolts meet the strength specification?
The Spicer style, mechanic's style (aka Detroit/Saginaw style), and the Cleveland style are styles of _____.
A. single Universal joints B. double Universal joints C. CV joints D. drive shafts
Low-voltage remote control switching relays use _____.
a. no coil b. a split coil c. a single coil d. four coils