I have an HP 2015 printer which is hanging some time shows paper jam some time toner problem some time paper not available what is the solution?

What is the composotion of pipe material A672B70CL32 and its properties? Is this ASTM standard material?

How prominent is the entrepreneurial inventor today, in the face of large corporations and massive R&D efforts? Armed with software tools like CAD, easy Internet access to data and parts, and various programming and automation platforms - does the "little guy" stand a chance besting large compan

Google "hydraulics news" and you may find stories of failures attributed to faults in systems, from aircraft problems to the balking Winter Olympic flame pillar. Meanwhile, thousands of aircraft fly and land safely each day and hydraulic jaws-of-life successfully rescue people. Do you think the tech

I saw an IMAX movie on a screen so big I could see it peripherally and I developed a crick in my neck. Later I navigated my small cellphone display which is plenty bright, but turns off too quickly. Finally, I struggled with a new computer to make the graphics driver provide output that fits the dim

NUKUS, Uzbekistan – The drying up of the Aral Sea is one of the planet's most shocking environmental disasters, U.N. Secretary-General Ban Ki-moon said Sunday as he urged Central Asian leaders to step up efforts to solve the problem.

Once the world's fourth-largest lake, the sea has shrun

This month's Challenge Question:

When NASA sends flights to the moon, the path used is similar to the number eight. Why not travel in a straight line directly to the moon? Why not an ellipse around the earth and moon?

The Answer will be posted right here on CR4 on May 4

Fresh Air Contaminants & what are the air contaminants should be in healtier air.

how can i find the normal stress without using stress concentration at the fillets?
tricky!

I want to convex a 5mm steel plate to cover up a 550mm pipe on both ends to make a tank.

Any suggestion how to do it without the right machine setup?

We have 800 cc car, and live in karachi Pakistan, here is traffic problem, means traffic jam often time, so my cars temperature nidle shows high...and the engine also hot...how we can improve my car cooling system..any body have a new idea,

I use water in radiator,

Munawer Hussain

Hi my name is Robert i rencently had a shoulder injury and was trying to find out how to calculate body weight %

200lb man hight 5'10" doing push-ups 3ft off floor what is the weight being lifted.

this will help me get a good starting point for my bench press.

what happens if multiple earthing is done (2-3mtr)in 33kv single core 630sq.mm cable.circulating current get earthed at its nearest point.is it ok

I am looking for a reconditioned testbed for testing electric motors. Any suggestions??

Hi mates:

Do we have any regulations for the length of welding cables and the power cable supplied power to it? This is to avoid overheating the cables.

I am not sure about the welding cable but the power-supply cable shall be short and the size shall be adequate to the carry current.

I'm curious (and a little surprised) at the various types/grades of plastic and ability to recycle them. My trash service gives me an extra can for recycled materials. For plastic they say they accept 1, 2, 3, & 5. I'm wondering what is 4, and we just found a 6, are there others? If I have a pla

Where can i find an Inverter, Phase Changer , that will allow me to use 440 Power on a 5 H.P., Three Phase Motor ?.Thanks in advance. !!

I am looking for about 8 or 10 Small strong Torsion Sorings for a Medical related product. No more than one Inch Wide, three quarter inch deep, with whatever Shaft opening available per those specs.

I have a freightliner fld 120 Tractor .Its air charge cooler have a leak right where the fins touch the side bracket.Any ideas how i can repair that leakage?

Hi everybody

I need a good reference about the reaction of polymerization. Also how can improve the properties of vinylester resin?