Hi everyone, happy new year!

I'm new to CR4 but heard this is a really good forum for asking engineering questions! I'm a design student, currently working on a personal safety alarm for female users. I want to incorporate a GPS system in my design which at the moment is looking like a

salam:

how are you all, i need to know if there is a function or a direct method to find the sum cells that contain time in it in this format hh:mm:ss, and the sum of hh may be more than 24.

thank you

Where would it be possible to obtain a small amount of Cobolt Chloride?

For experiment Aprox (1 Gram)

WBR

Knud Rasmussen

I have a Pump For the LTHW system of a building I am currently working at I have found that the Flow Switch across this has stopped functioning.

It had a Range of 0.5 – 11bar

the pump is a

Grundfos Unit

Type NK125-400/415BAQE

Model K78111L4-20290/2-3063

power plant can run without condenser? why?

cani make three phase by attaching on e wire to one leg of a power box with a ground wire and coming out of anouther power box for which both supply boxs have 100 amp service each and attach these wire to a three phase outlet to power a transformer that puts out 28,.5 volts and up to 1600 amps for s

Is there a critical time after which PWHT of welded P-91 will no avail the desired results? I have read that the time interval between completion welding and the start of PWHT is vital to the successful elimination of Heat affected Zone cracking. In some cases, radigraphy is required of pipe welds a

I mean cenralized and decentralized at once?

in other words, I have a central cooling plant with centravac chillers and condensing radiators, and I need to provide an alternative system where the original system will remain stand by, can I install individual chillers in all (or some) buildi

What is DC absorbtion test?

our company is planning a modification for its gas plant. This modification requires some special equipments and requirements that I never faced before. I surfed the internet and I found some good companies, but they are not enough. If you know some companies that have the ability to supply and fabr

i want to know for design the soak pit , as per standard practice ,what value of percolation rate shall be taken

Hello,

Does anyone have any experience using chitosan as a coagulant for drinking water. I understand it can be used alone or in combination with other coagulants for flocing raw water. I am also looking at alum and other coagulants. I have found a few papers on the net concerning chitosan

I'm trying to build a bunk blower with a old Harvestor blower that use to blow feed stuff into a bin maybe 20 to 30 foot into this bin. It is run from a tractor pto at 750 rpm. I put a 10 foot piece of flex pipe on the end to try and blow the snow out of the bunk. It will not. Is it, that I got to r

can any1 help me with smoke windows for elevators. i would like to know the size and location of the windows and also if or not they are needed.

Sir,

I have small doubt on Power and torque. What is the practical relation.I know power =torque X Omega. But when vehicl climbing up why we need more torque and As r.p.m increases,The torque increases up to certain value and then decreases??? how we can substantiate this statement and why clut

How to calculate power press capacity

I SAW A VIDEO ON NATIONAL GEGRAPHY CHANAL 2 DAY AGO I SAW A ECLACTROMAGNATE THEY USED ONLY 4 TOURCH BATTERY AND LIFT THE 500 KG WT HOW CAN BE POSSIBLE

Any body know how to connect ipod to the integrated audio system in the new Honda Civic 2010? What hardware is required, cable / adopters etc.

Is it possible to connect blue tooth device to this integrated audio system in the new Honda Civic 2010?

Dear all mechanical friends,

we have a supported conical roof tank of 7.6mtr. diameter in our factroy. A recent requirement from the process has arised for the addition of 14" flame arrestor on the top nozzle of the tank.

the problem is the flame arrestor being large size (14") and

i want to know limit of head loss in bypass control valve between cooling tower and chiller unit to find out the flow coefficient and valve selection for economical design