Pressure Control Valve Parallel Operation

Hello guys,

i wana know why pressure control valves are connected in parallel for the inlet of veritcal vessel,during the HAZOP of this section there were a debate on the issue but due to lack of control phlosophy it was a little difficult to get clear answer.

jsut i wana any one e

What Type of Joint for Sheet Metal?

Hai everyone,

I tried to make a box out of 3mm MS sheet, with 2 of its ends(opposite faces)) open. Faces are open so that i could make an inlet & outlet. But my problem is ; i am using this box for a sachet delivering system.The flow of the sachets should be smooth, so that i can

Vortex breaker

A vessel has a boot of 3' ID and 11' height. The outlet is from the cylindrical surface and not at the boot bottom. The outlet is located 1' from the boot bottom. The liquid level is filled completely 100 % in the boot. Is there a chance of vortex formation and is there a necessity of vortex brea

How to configure the drive is 4 quadrants?

Dear Friends,

I have an old DC drive for 94KW for which I want to configure if it is a single quadrant drive or four quadrants? The drive has 6 thyrister modules and four control wires are coming out from each module. It seams like each module contains two thyristers and thus a 4 quadrants dri

guidance for designing hydraulics systems

we are in final year undergraduate course in Mechanical engineering we have been given a project to design a system to move a pedestal according to input distance .we planned to make use of hydraulics system to move the pedestal since we have only basic knowledge of hydraulics systems we would b

End Caps SF & Knuckle Radius

Friends,

How to Calculate the Straight Face Length & Knuckle radius of an End Cap.

In B16.9 Code, found only the Dia & Length of the Weld Cap. But can't find the SF & Knuckle radius.

Please reply me soon about how to calculate Sf & Kr..

Christmas Cars and Diecast Dreams

Hot rods make occasional appearances in the world of diecast, but it seems the large majority of diecast collectors like to see factory-built vehicles.

Rick Hanmore of Danbury Mint, however, has a background in scratchbuilding models, and his creativity just couldn't be contained by th

Relocation of used LPG Horton Sphere

SA 516 Grade 70 (material) were used for fabrication of LPG Horton sphere during 1980-81. It was designed as per BS 5500-1976. Design temperature was defined as (-) 6 to (+) 55 deg C.

At present design temperature requirement is stiplauted as (-) 27 to (+) 55 deg C and the recommended design c

Wind tunnel problem

My graduation project team and I are facing a sort of a problem. The project is concerned with aerodynamics, we have 4 BMW (scale 1:18) car models and we are putting them in a wind tunnel.

We are Using a Hampden wind tunnel. The problem we are facing these days is fixing the car model on a plat

Chevy S-10 Security Light problem

Hello, I have a 2001 Chevy S-10, with a 4.3 litre votec engine. I've always had problems with security lite coming on at an particular time. A VT dealership soldered a wire somewhere and changed the lock cylinder, with same key cut. It has 71,000 miles on it and seems to happen more as the weather g

Fire water tank qualification

A contractor is building a tank for us, now that the fabrication has finished, i now write a report based on quality assessment carried out on the tank. Here is the report:

QUALITY ASSESSMENT REPORT ON LN FABRICATED FIRE WATER TANK.

PAGE 1 of 3

Inspected entity: LN Engineering And

Smallest Snowman Ever

From Discovery News - Top Stories:

Just in time for the holiday blizzards, a little piece of nano-engineering to amuse snowbound citizens. David Cox, a scientist in the Quantum Detection group at the National Physical Laboratory in the United Kingdom has built the world's smalle

Can We Find A Living Planet by 2020?

From Discovery News - Top Stories:

There was a lot of excitement last week about the discovery of a "waterworld" planet called GJ 1214b, as reported on Discovery News by my colleague Ian O'Neill. This world belongs to an emerging class of planets dubbed "super-Earths." It is 6.

Split cores for toroid manufacturing

Hi, We are into the mfg. of toroid transformers the toroidal cores are at present of single piece construction. We are planning to build it in 3 piece construction. FOr ex instead of 60 mm height core, we are planning to build it in 20 mm X 3 nos. This toroid we are using it for magnetic transfor