Top new questions this week:
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I am using a 3 axis gyroscope (Android device) to record angular velocities using a sensor data logger application. When the device is placed stationary, the gyroscope recorded the following values: …
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The Gondola lift has an upside down J shape iron bar holding it. I was wondering why it is built in this way and is not straight? Does it have anything to do with balancing?
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By the thermodynamics of the internal combustion engine (Carnot cycle), the higher the compression ratio, the more mechanical work is derived from the gasoline burned. So why is it not common practice …
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I am trying to understand how to describe and calculate the shape a length of piano wire makes from its own weight when supported vertically at only one end. Is it a catenary or a parabola? …
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Greatest hits from previous weeks:
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My AC outdoor unit gets direct sunlight (no shading whatsoever) from morning to noon. Temperature normally soars up to 40 degree Celsius (I am from India). I have two questions: Is this bad for the …
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As I understand, a steam machine needs a pressurised gas to work. This can be compressed air but it used to be steam. Energy was provided to the steam engine by heating up water. I don’t understand …
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I’m building a set of monkey bars for my kids and want to use aluminum tubing (6061 T6) for the rungs. The tubes will be 3 feet long and 1 inch outside diameter. Supported on both ends with a circular …
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All of these theories are in use today, and anyone can look up the definition of each theory in a textbook. But what are the practical applications for each theory, or said another way, in what …
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I have a submersible pump and it’s clearly stated in the user manual that it should not be operated without water. But what will happen if it’s not adhered to? The obvious answer is that it will …
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I’ve seen it in several data sheets – it is a measure of error of some kind, of course. The problem is I dont know the exact meaning. I’ve seen it in the context of repeatability, accuracy and …
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When looking at thread descriptions, one of the basic properties is always the number of thread starts. As far as I could tell, all of the major standard bolt threads are single-start. This includes: …
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