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An oscilloscopeās seconds/division switch is set on 20 microseconds/cm. If the trace is 7.5cm long, what is the period?
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Engineering, 04.07.2019 18:20
Atank with constant volume contains 2.27 kg of a mixture of water phases (liquid-vapor). in the initial state the temperature and the quality are 127 Ā°c and 0.6, respectively. the mixture is heated until the temperature of 160 oc is reached. illustrate the process in a t-v diagram. then, determine (1) the mass of the vapor in kg at the initial state, (2) the final pressure in kpa.
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Engineering, 04.07.2019 19:10
What is the major difference between thermoplastics and thermosetting plastics from the polymerization structure point of view?
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Engineering, 04.07.2019 19:20
Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 mĀ°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3
Answers: 2
An oscilloscopeās seconds/division switch is set on 20 microseconds/cm. If the trace is 7.5cm long,...
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