What kind of line is the line identified as C shown in Figure 1?
a. Extension line
b. Cutting plane line
c. Dimension line
d. Center line
d. Center line
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What was created by the mid-1700s that helped connect the Atlantic seaboard colonies of Great Britain to each other in a more cohesive manner?
A. an intercolonial postal system B. an intercolonial paved roads system that connected all of the cities of the Atlantic seaboard colonies. C. an intercolonial canals system D. an intercolonial currency and monetary system E. None of these are correct.
When an electric arc occurs in air, gas molecules in the air ____.
A. become polarized B. become ionized C. form dimers D. start a chain reaction
To improve crack detection in military aircraft, the Air Force combined ultrasonic inspection procedures with laser heating to identify fatigue cracks. Early detection of cracks may reduce repair costs by as much as $200,000 per year. If the savings start at the end of year 1 and increase by 3% each year through year 5, calculate the present worth of these savings at an interest rate of 10% per year.
What will be an ideal response?
The Acme threading tool forms an included angle of ________ degrees?
A) 55 B) 30 C) 29 D) 60