Engineering, 01.11.2019 03:31 andrew8228
Which of the following is not true about hydraulic valves? a. directional control valves determine the path of a fluid in a given circuit b. pressure reducing valve is another name for pressure relief valve c. a pressure relief valve is used to limits the maximum pressure in a hydraulic system d. pilot check valves can permit flow in the normally blocked opposite direction e. all of the above
Answers: 1
Engineering, 04.07.2019 18:20
Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.
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Engineering, 04.07.2019 18:20
Wiy doeres rere okhn a pump whon working betwon the same pressure range?
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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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Engineering, 04.07.2019 19:10
Analyze the factors that influence the choice between the following pairs of processes to make the products indicated: i) sand casting versus die casting of an electric-motor housing ii) thread rolling versus machining of a bolt for high-strength application. (co3/c5)
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Which of the following is not true about hydraulic valves? a. directional control valves determine...
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