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In profile extrusion,to produce exact cross-sectional dimensions after the extrudate has cooled, allowances must be made in the ____ design.
A. ?barrel
B. ?screw
C. ?blower
D. ?orifice
Answer: D
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The ______ring is designed to seal most of the combustion pressure on top of the piston.
A. compression B. oil control C. oil scraper D. O
A(n) ____________________ valve is normally a flat disc with a stem that can be used to prevent backflow.
Fill in the blank(s) with the appropriate word(s).
A garden hose with the water valve shut and the nozzle closed sits in the sun, full of liquid water. Initially, the water is at 10°C and 6 bar. After some time the temperature of the water rises to 40°C. Owing to the increase in temperature and pressure and the elasticity of the hose, the internal diameter of the hose increases by 0.35%. Estimate the final pressure of the water in the hose.
If you see the label "TIG" on a welding machine, that machine is considered to be what kind of a welding
machine? a. Stick b. FCAW c. GMAW d. GTAW