Engineering Questions, Problems & Solutions : TransWikia.com ~ Page 14

How to calculate flow rate of water through a pipe?

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...

Asked on 08/07/2021

3 answer

More efficient to use LED lighting than to open blinds for light and thereby lose heat when very cold outside?

Currently here it is 9 degrees Farenheit. My home is heated by electric resistance heating (not a heat pump, just plain heating coils). Am I correct in believing...

Asked on 08/07/2021

2 answer

How to calculate mass needed for mounting electrodynamic vibration shaker?

I need to mount an electrodynamic shaker to the floor, I need to find the mass of the concrete under a T plate so as to stabilize the shaker. It...

Asked on 08/07/2021 by ARC

1 answer

Restricting rotational movement

I'm looking for an elegant mechanism for restricting the movement of the wheel cradle in the picture. The wheels are intended to be able to swivel around +-5° but not...

Asked on 08/06/2021 by akauppi

1 answer

Are there any benefits to using a regular washer alongside a lock washer?

I am new to fasteners in general, and was wondering if anyone knew if it was acceptable to use a regular washer underneath a split lock washer. There are two...

Asked on 08/06/2021 by TwoWaySpeedOfLight

4 answer

Alternatives to laser line?

I'm trying to project a very thin line at a low angle over some surface defects (peaks and troughs). The scale is ~20mm square, but the defects can be sub-mm...

Asked on 08/06/2021

1 answer

How do I draw moments on hinged gates?

Hello I had a quick question regarding moments on hinged gates on submerged curves. Is there a general rule that we follow when we draw moments on hinges, do we...

Asked on 08/05/2021 by jjrrrmkaas

1 answer

Thermodynamic energy balance

A fan that consumes 20 W of electric power when operating is claimed to discharge air from aventilated room at a rate of 0.25 kg/s at a discharge velocity...

Asked on 08/05/2021

2 answer

Electrical potential and grounding in a circuity, why it works?

I thought I understood the ground concept but now I'm a lot confused. From: Pg.67 Practical Electronics for Inventors - Scherz Paul ...

Asked on 08/05/2021 by HighlightXII

1 answer

Is it possible to build a DIY RLC circuit for a classroom demonstration?

I was describing the mathematics of RLC circuits to my students, and was wondering if it's possible to build an actual RLC circuit with coils of wire and an inductor...

Asked on 08/05/2021 by user128063

2 answer

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