This is the often widely spaced condition of surface texture usually caused by such factors as machine chatter, vibrations, work deflection, warpage, or heat treatment.
a. surface texture
b. surface roughness
c. surface waviness
d. lay
c. surface waviness
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How many welds are required based on the welding symbol shown in Figure 4?
a. One b. Two c. Five d. Six e. None of the above
What is meant by a "direct vent" heater?
What will be an ideal response?
Electrical wiring repair is being discussed. Technician A says wire size is specified in either the American Wire Gauge (AWG) system or in a metric cross-sectional area. Technician B says the higher the number in AWG the higher the conductor. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
While driving, you see a small (1 foot square) cardboard box ahead in your lane. You should:
a. Steer around it when it is safe to do so. b. Hit it with your vehicle to knock it off the road. c. Brake hard to avoid hitting it. d. Stop and direct traffic around it.