Engineering

I have a canal 16 feet across. I want to put a 4 foot wide b

I have a canal 16 feet across. I want to put a 4 foot wide bridge over it using 2 beams spread 3 ft. What size beams are needed. Load = 700?...

can i run 3 12 volt 5AH batteries in series to equal 36 volt

can i run 3 12 volt 5AH batteries in series to equal 36 volts then run 1 in parallel to increase the amp hours?...

What advantages do LED bulbs have over other types of bulbs

What advantages do LED bulbs have over other types of bulbs such as fluorescent?In terms of reliability/feasibility, cost savings, maintenance etc please explain in detail. thank you!...

Can planes fly at negative altitude...?

Can planes fly at negative altitude...?I always hear about planes flying at 2000 or 4000 or 8000 feet, yada yada yada, Ok thats very impressive and useful but do they have a plane that can fly at negative altitude? I mean like below sea leve...

If a doorbell transformer draws 20VA from a 120V source, wha

If a doorbell transformer draws 20VA from a 120V source, what Is the current on the secondary side if it delivers 10V?...

how do i make sure the steel rod is stable?

how do i make sure the steel rod is stable?...

the end of the triangular plate are subjected to three coupl

the end of the triangular plate are subjected to three couples.determine the plate dimension d so that the resultant couple is 350 n.m .?...

Is engineering a good demanding job in Europe?

Is engineering a good demanding job in Europe?If I become a computer or mechanical engineers and move to The Netherlands will I expect or have a low paying crappy job....

electrical two port network question pls help?

electrical two port network question pls help?...

Resource for Civil Engineering news?

Resource for Civil Engineering news?Is there any resources in which i can use to stay up to date with general civil engineering news? For example, new civil engineering inventions or achievements (ie new and useful building), failures in inf...

Electronics question pls help?

Electronics question pls help?...

any one can list all types of eps foam cutting machines for

any one can list all types of eps foam cutting machines for eps panels from China...pls add if you know...?hot wire cutting machine for eps foam,NF eps foam panels,including ...) Simplified eps cutting machine is with horizontal and vertical...

Does anyone else hate wind turbines?

Does anyone else hate wind turbines?I remember when I first saw them as a child I felt like a complete darkness came over me....

What is LED Solar Light?

What is LED Solar Light?...

How do I know the voltage of my plug socket without buying a

How do I know the voltage of my plug socket without buying an apparatus? New kettle?Hi yahoo answers, I wonder how to understand this. I have s new kettle that says 220-240v It says to make sure your plug is the correct voltage. How do I kno...