Engineering, 20.11.2020 14:00 clairebear65
Waterjet cutting uses a . a) Very-small-diameter jet of water that exits the cutting nozzle at approximately the speed of sound. b) Diamond cutting wire cooled by a waterjet which also carries away the composite material as a slurry. c) Very-small-focused-stream of water that oscillates at 20,000 cycles per second.
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What precautions should you take to prevent injuries when dealing with heavy loads?
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Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
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What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?
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Waterjet cutting uses a . a) Very-small-diameter jet of water that exits the cutting nozzle at appro...
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