The ____ position is commonly used in fabrication shops where structures or small systems can be positioned for the convenience of the welder.
A. 6G 45 degree inclined
B. 2G vertical fixed
C. 5G horizontal fixed
D. 1G horizontal rolled
Answer: D
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The length of time that an injector remains open is called its ____________________.
Fill in the blank(s) with the appropriate word(s).
An elevated expressway goes through an urban area, and crosses a local street as shown in Figure 3.9. The partial cloverleaf exit ramp is on a 2% downgrade and all vehicles leaving the expressway must stop at the intersection with the local street. Determine (a) minimum ramp radius and (b) length of the ramp for the following conditions below:
Maximum speed on expressway = 60 mi/h Distance between exit sign and exit ramp = 260 ft Letter height of road sign = 3” Perception-reaction time = 2.5 sec Maximum superelevation = 0.08 Expressway grade = 0% Assume that a driver can read a road sign within his or her area of vision at a distance of 50 ft for each inch of letter height, and the driver sees the stop sign immediately on entering the ramp. What will be an ideal response?
The ____________ material condition for a part exists when a hole is at its lowest limit of size, or when a shaft is at its highest limit of size.
A. LMC B. MMC C. RFS
Soft skills required by welders include:
A) Communicate clearly B) Adapt to change C) Demonstrate integrity D) All of the above