Why did “Fifty-Niners” rush to Pennsylvania?
A. the discovery of petroleum
B. the discovery of gold
C. passage of the Homestead Act
D. the invention of the mechanical reaper
E. the end of slavery
Answer: A
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The compression of air in a Carnot cycle occurs between 100 kPa and 1000 kPa. If the temperature at the beginning of the compression process is 30ºC, what is the temperature at the end of the process?
A) 312ºC B) 325ºC C) 339ºC D) 371ºC
The placement or location of the weld bead within the weld joint affects ____.
A. the size and shape of the weld B. the width, reinforcement, and penetration of the weld C. the strength, appearance, and possible acceptance of the joint D. the reinforcement, width, and appearance of the weld
A __________ is used to cut holes in metal electrical boxes for installing cable or conduit.
a. knockout punch b. keyhole saw c. hole saw d. auger bit
When drawing a concrete slab foundation layout, after the outer edge is laid out, you should use the ____ command to locate the interior side of the stem wall around the slab at the garage area.
A. TRIM B. OFFSET C. ARRAY D. COPY