 | Recent Questions & Answers | |
| New Stereo, No More Horn! |
| By r&ddoc in Automotive |
Hello! Some weeks ago I had the original stereo from my brand new Honda CRV replaced by a Pioneer P3350 BT. The guy who made the job told me no cables from the car´s wiring where cut, because he used connectors suited for this particular car and radio. I remember having used the horn once after thi ... more |
| Drilling a Hole in Glass |
| By Anonymous Poster in General Discussion |
I would like to drill a 3/8th inch hole in the bottom of glass aquarium in order to install a small drain valve. The local glass shop told me they might be able to drill a 1/8 inch hole, but they won't guaranty that the glass won't shatter. Does anyone know a technic for drilling drilling glass? |
| Nozzle Repair in pressure vessel |
| By martingerald in Mechanical Engineering |
Hi, We are currently fabricating a U stamp pressure vessel and during fabrication our clients wants to increase the projection of a nozzle. We have already welded the nozzle. please advise as per ASME code is it acceptable to cut a welded nozzle and re-weld again, the pressure vessel is made of sta ... more |
| I am Looking for a Passive Fluid Amplifier |
| By MSEELady in Mechanical Engineering |
Is there a way of increasing the force of a river against a paddle without increasing the head pressure? A venturi effect will not work (F=MA) but is there such thing as a passive fluid amplifier that uses no motors or engines? Or do you think it's just another perpetual motion machine? |
| Control Valve |
| By Arif S. Hashmi in Instrumentation |
Why some control valves have been designed for the process inlet from the top side of the valve body with a balance plug, as usually it is from the bottom. |
| Ball Feet |
| By asd23789 in Mechanical Engineering |
Dear All, I have a vessel supported on 4 legs. The vessel height need to be adjusted mechanically with the help of adjustable ball feet. Such type pf construction are found in brewery.pharmaceutical tanks. It resembles construction that of screw jack. each support legs is under a load of 9000 K ... more |
| S7 - PLC Fault |
| By Voltamps in Communications & Electronics |
We have an S7 SIEMENS PLC in operation in one of our Stackers in the material handling stockyard . At times , the PLC stops with a fault of ' Slave not found ' alarm . If the PLC is switched OFF and made ON , the unit works well without any problem , say even for a week continuously . Then again one ... more |
| Dual Input Auto Changeover Unit |
| By crsr1234 in Electrical Engineering |
Hi, I need to build dual input auto change over unit circuit using contactors and timers for my DC power supply system AC input. I am doing that, but if any body tried it earlier please help me by providing the circuit diagram. Specification as follows AC input current : 80A Three phase/4Wire (No ...more |
| Developing the Next Generation |
| By BDThompson in Engineering Careers |
It seems like every couple of years, management at just about any company comes to a realization that as its workforce ages and comes close to retirement, they will be losing a valuable resource. Some companies seek to encourage their senior people (operations, maintenance, engineering, ...) to sha ... more |
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