Engineering, 29.04.2021 15:40, maddy1276
High-frequency gluing machines are widely used in modern woodworking plants. Which one of the following statements is CORRECT concerning this type of equipment? a. Platens and electrodes are heated in less than one minute. b. Adhesives used in high-frequency gluing are made from thermoplastic resins. c. High-frequency radio waves penetrate the wood and heat the glue line. d. For this type of gluing, generators must produce frequencies over 50 megahertz.
Answers: 1
Engineering, 03.07.2019 14:10, cowgyrlup124
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Engineering, 04.07.2019 18:10, viicborella
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
Answers: 1
Engineering, 04.07.2019 18:10, wyattlb97
Water at the rate of 1 kg/s is forced through a tube with a 2.5 cm inner diameter. the inlet water temperature is 15°c, and the outlet water temperature is 50°c. the tube wall temperature is 14°c higher than the local water temperature all along the length of the tube. what is the length of the tube?
Answers: 3
Engineering, 04.07.2019 18:10, oliviasoreo92
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
High-frequency gluing machines are widely used in modern woodworking plants. Which one of the follow...
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