Which of these leads will retain its point the longest between sharpenings?
a. 2H c. 4H
b. 3B d. 5B
C
4H
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To ensure weather tightness, the exterior wall joints in a pre-engineered building use _____.
a. neoprene gaskets b. A-490 bolts c. bead mastic d. blind rivets
Three forces, 
act on a point as shown. The vector lengths are: a = 2560 lb, b = 2340 lb, and c = 3090 lb. Determine the resultant force in standard position. Round the magnitude to 4 significant digits and the angle to the nearest tenth degree.
Fill in the blank(s) with the appropriate word(s).
The higher the resistance through a conductor, the ____.
A. smaller the voltage drop B. higher the voltage drop C. the more stable the current D. more neutral the offset
For most planning projects using a geographic information system, getting the needed data into the system is the easy part, but developing the computer Tables and maps is extremely time-consuming and difficult
Indicate whether the statement is true or false