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Engineering : Recent Questions and Answers (Page 38)

Find answers to your questions about Engineering or help others by answering their Engineering questions.

understanding observers and estimators

I have seen several forums related to this question about the difference between observers and estimators in control theory and could not understand it clearly. I wanted to know how...

Asked on 05/11/2021 by gari

0 answer

Is the silicone oil used in a diffusion pump oil special?

I have obtained two diffusion pump stages from a pair of very old Vacuubrand high vacuum pump. The rotary vane pump in one of them was dead and another overheating....

Asked on 05/11/2021 by The_Vintage_Collector

0 answer

How to get soft touch matte finish on my resin cast parts?

I'm working on a prototype electronic consumer product for which I intend to use silicone molds with polyurethane casting to get the plastic body. I have seen a few products...

Asked on 05/11/2021

0 answer

Maximum deflection of a beam with both ends fixed and distributed load

I'm designing a part, and I'm trying to figure out what distance a slot should be from the bottom of the part. For simplicity in analysis, I'm approximating the...

Asked on 05/10/2021 by fp.monkey

2 answer

How to find a reference line for " Form Tolerances"?

In my project I have to choose a form tolerances ( parallelism ) between the handle ( purple part ) and the part that sits inside it ( the grey...

Asked on 05/10/2021 by Sam B

1 answer

Efficiency of propeller with Wind perpendicular to rotation axis

What happens to air flow and propeller efficiency if it is moving with Wind perpendicular to rotation axis. The air is blowing in a direction lying on the Planet...

Asked on 05/10/2021 by CoffeDeveloper

1 answer

Rotary Screw Air Compressor

I have a 50 HP screw compressor that has just began to load and unload within 10 seconds when previously would take between 40 and 60 seconds. Nothing has been...

Asked on 05/09/2021 by Anthony Smith

1 answer

Finding Thevenin Equivalent Voltage

What I did was I found the $I_{short circuit(AB)}$ = 10/5 = 2A by shorting AB. How am I...

Asked on 05/09/2021 by neutrin0

0 answer

What is a 'rocker slab'?

See below for an extract from a general arrangement drawing from the 1980s. It makes reference to a '9" rocker slab' which appears to be a slab supported by steel...

Asked on 05/09/2021

1 answer

Alternative materials for reflectors in solar concentrating systems

Other than the usual silvered mirrors, that are expensive to form into parabolas, what can be used as an effective reflector in parabolic troughs/dishes. I saw a few people tried...

Asked on 05/09/2021

0 answer

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