Pressure Testing

While a component is pressurised under hydraulic clamping station, the force and area are only active parameters or weight and volume also effects the clamping pressure.

Running a 380V 50Hz Machine on 380V 60Hz

I need your help, fellas.

My factory just ordered a machine that runs at 380v 50hz. Problem is, the power in the factory is 380v 60hz, so now we're in a fix. What will happen if I run the machine under such circumstances? And if it is not advisable to do so, what other options do

wheel friction

Hi,

I'm calculating bearing forces for a turntable with wheels running on circular rails. The wheels are positioned vertically and they are not driven.

Does anyone know how to calculate axial bearing load?

Thermoplastic Valve

Hi all,

this is my first question on this forum

we are dealing with Hydrocloric acid. we are using polyproplyne as material of pipes. I need valve dimension of 3"NPS of same material or relavant material.

Can any body help in this mater.

Acoustical Impedance Tube

Hi everyone, I am working on a project for a school in Germany. An acoustical impedance tube is actually quite simple. You have a quality loudspeaker on one end of a rigid tube (ours is 100mm dia. 1.5 meters long of glass) and a movable mostly sealed piston on the other end. Normally, to measure aco

Welding Tests

dear ,

can you please tell me the standard for welders test if i have pipe line project is it ok to chose the below

1-visual test according to asme sec ix

2-RT test according to api 1104

regards

Laminated Aluminum Foil for Solar Cooker

I want to know if there is any method to laminate aluminium foil used in kitchen to a substrate like polyester film or any film or paper. I want to use this as reflector for solar cooker since it has excellent reflectivity and is cost effective.

I tried glue, double sided tape, etc

diesel engines

i need someone to figure out the temp in a cylinder diesel engine and can figure out the handling point on the piston retainer clips are or tensile strength

Cylinder Pressurization and Temperature

2 cylinders are available with me. Both are interconnected through hose and control valve.

First cylinder contains helium gas at 300bar at ambient temperature.

Second cylinder is empty.

Now I am pressurizing the second cylinder form the first cylinder by o

Current Sensing

Sir,we are working on Induction Motor Protection.Current Rating of Motor is 8 A.We have decided to use sensor LA-25P.We are trying to take the data sensed directly

on PC through PC Card.Is the sensor OK???

Metal Mesh / Mantle Mechanism

This question was recently inspired by a article in PopularScience:

Propane lamps and similar devices often use a mesh sack over the flame to contain it. Originally metal mosquito netting was used, now days all sorts of materials are used. The Original purpose of this mesh sack was to cotain

Choke Coil Calculation

dear friends;

I controlling dc 12V to variable dc voltage from 0 to 12v and current rating from 1 to 100A. Source supply is from battery.output voltage should be pure DC

How to calculate value of L ?