Liquid Level Transmitter

In an installation, the pump house and the water tower are 3miles apart. What is the safe method to start and stop the pump using a level sensor/float switch? Can the land telephone line be used? Can it be done by radio wave? Is there any other better method? Can the same method be used to monitor

Level Indicator Approvals UL Or FM

Dear Crew,

We have a diesel tank for our fire protection system, we are looking for a level indicator in order to replace the plastic pipe that we already have installed. We are looking for a level indicator which has the UL or FM approval but the suppliers have informed us that this approv

Increasing Voltage

In one of my projects, voltage between earth and neutral is 0.01volt. When the load is given (ie when lights are in ON position), the voltage between earth and neutral is gradually increasing up to about 25-30volts. Kindly inform me what will be the reasons.

The other case is when neutral f

Car of the Future?

OK how about this, This car is aerodynamic having been designed in a wind tunnel. Seats 4 people comfortably with upholstered seats, front seats can recline to make double beds. Steering column flattens out and is bent to attach to steering wheel making a safety 'net' in case of a collision. Th

CO2

Dear friends

I would like to ask one confused doubt to you..why we are using co2 as shield gas for mag/mig weld. Is not affect the arc of weld. This is arc also some kind of fire and heat...But same co2 we are using for fire extingusher and for noych cooling also...Please answer for this.

Lost Buttons

We have had discussions about socks disappearing into Black Holes and other such esoteric mysteries, but I have yet to encounter a discussion of a major frustration I have puzzled over for years.

Why do some of my shirts shed buttons randomly, and others maintain their buttons pristinely for all

Star Delta

I have a problem in air compressor motor 20hp.The motor having star delta stater but the motor did not run in star. In delta the motor is running what is the problem? The stater control wiring is ok as per drawing. With out connect the motor the stater is working as per timings, when the motor is co

Material Selection Book

Dear All,

I want to select proper material for specific service in oil and gas field. I got a book but its not downloadable. Can anybody help me downloading this book?

= Standard handbook of petroleum and natural gas engineering =

By William C. Lyons, Gary J. Plisga

CR4 Tool Bar Missing In Google Chrome Browser

My IE Explorer and Firefox have crashed so I have tried Google Chrome. I can enter print but cannot place any photos or other information in the message box as there is no tool bar. Also I do not appear to have any bypass fiunction? Is anybody using Google Chrome? Is this a common fault or is it my

Are Electric Cars Catching On?

Sometimes a shock means a complete paradigm shift away from business as usual. When it comes to getting from Point A to Point B, electric cars may finally have reached a tipping point where the big automakers embrace them. The change has been triggered by a combination of the economy, ecological iss

Honda Segues from Segway

Honda has unveiled its own personal mobility device to rival the Segway, now used by police, park rangers, and the general public. Moving at a top speed of 6K per hour, the U3-X features an omni-directional traction system in a compact, 22 lb frame. The single-wheel people mover uses an inclinomete