Top new questions this week:
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I am currently studying How excavators work? and came to know that “In excavators diesel engine is used to drive the hydraulic pump. The high pressure fluid from hydraulic pump is used to run the …
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Greatest hits from previous weeks:
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We have a simple class 1 lever: $$\begin {array}{c} \text {5,000 kg} \\ \downarrow \, \downarrow \, \downarrow \, \downarrow \, \downarrow \, \downarrow \, \downarrow \, \downarrow \, \downarrow \, \…
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If a water pipe is 15 mm diameter and the water pressure is 3 bar, assuming the pipe is open ended, is it possible to calculate the flow rate or water velocity in the pipe? Most of the calculations I …
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I’m having a hard time finding an answer from the internet. What does starting torque mean?
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I was studying the designation of names to refrigerants. The following is the basic formula: R – (m – 1) ( n + 1) ( o ) where: m = number of carbon atoms in the refrigerant n = number of hydrogen …
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As I know so far, mortar and grout are mixtures of cement paste and fine aggregates, but both of them play different roles in the construction site. Is it true that grout has more strength compared to …
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The debate of traffic circles (also called roundabouts or rotaries) versus traffic light intersections has been in progress for a while. Those in favor of traffic circles say that, among other things, …
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I am completing a question that is requiring calculation of the work done in a polytropic process. In the worked solutions the work equation seems to be reversed for the answer, as can be seen in the …
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