what is meaning of class x in current transformer

Dear all,

In our erection field we use lifting lugs for lifting various structures and other equipment. I want to know how to select a lifting lug ( now we select on basis of thickness) is there specfic calculations ? Kindly explain in detail about the same

Dear Sir,

I have a doubt in Illumination formula

as

E=I/d2

E: Illumination, How the visibility of objects to be "lux"

I: Luminous Intensity the lumen power "cd".

d: height or distance "m"

My question

Archimedes (circa 287-212) said: "Give me a point of support and I will turn around the Earth by a lever" more than two thousand years ago.

However the existing tradition is to focus only on the power of a power source to move vehicles because the use of levers, i.e., gears in a transmissio

I have one 12" pipe with MOV on the pipe. The MOV is at higher elevation i.e around 3 meter height. Do i need to give access platform for this. I think for MOV platform is not required.

I have to route PSV downstream piping to atmosphere, PSV/PRV is inside the building. Someone told me that you must have all 45 degree elbow in the PSV downstram piping, you can't put 90 degree elbow. Is this true ?.

When to use drip pan elbow in the downstrem of PSV. If i don't use this and

how much power gets generated when a vehicle moves over it? want to know about the power generation,.

dear all ,

i am production engg . i dont have any experience about how to put project in front of my boss will you give me the format

which Indian standard code to be referred for Indoor unitised substation

Wondering if any one has any data on the effects of running electric motors and refrigeration compressors designed for 240 VAC 50 Hz and running on 220/240 VAC at 60 HZ?

How significantly is service life reduced?

Ohter potential problems?

Looking forward to some input.

its working on frictional loses which occurs in speed brakers is converted into electricity...wat king of matirial can help me in utilising the power....

we r doing punching oeration for flat, thickness of the flat is 16mm & hole dia. 22mm. Material in steel

how can i increase the life of punchthe ?

can it is recomanded to increase temp. of flat?

if yes than up to what temp. (degree celcius) ?

what will be the

I want to inquire to put up a central cooling system for a Building I need guidance for cost of putting up the plant & other details to be accomodated during planning stage

Just learned about 100+ engineering-related job listings from a LinkedIn group to which I belong. Click here to visit a site called USAJOBS.

I have an AM/FM/CD radio in my sailboat. I installed it myself. The first one was an expensive marine unit which failed after a few years so I replaced it with a inexpensive standard car unit. It worked fine for a few years also but one day I noticed an acrid smell near it. A few days later I lo

Hi all,

Cud anyone please tel me where the SYNCHRONOUS Motors are used,as in my country(India) most of the production and process industries use variable speed drives(Slip ring Induction motors).

Can i suppose that where ever constant speed is required Synchronous motors are used,but again

Assuming standard conditions - Sea level, 68 F, 35 Relative Humidty.

I am working on a project which I need to know how long it will take to eqaulize pressure between two air receivers using 150 Feet of 4" diameter pipe assuming no additional air is being supplied. Air receiver #1 is 31,210 ga

please advice on how to do cost benifit analysis of two or more designs considering cost,safety, maintenance,....etc

i am working as junior mechanical engineer after graduating from college since then i have been facing the problem to evaluate different options to decide the best one to imp

Can anyone tell me how to join pvc 1" pipe with GI 1" pipe.

procedure & any compliment i have to use or any solution if so kindly write in details...Thank ......JYK

I wish to fit a Maxwatt 5500w 4-stroke petrol generator to supply power to my Houseboat. The noise level @ 7m is 74db (A).

Beside sound proofing the enclosure can I fit a exhaust muffler / waterlock which inboard engines use?