Why should you calibrate an instrument?
The reason you are using said instrument is because it is accurate. But to be consistently accurate it must have parameters. It can't go beyond a certain measure. To keep it in this proximity, or within it's boundary, it must be re-evaluated every so often, to make sure it is the same as when it was first used as a comparison. Seriously, take a music appreciation course or something. Maintain quality control of the final product.
What is the main difference between micro controller and fpga?
micro controller is software and fpga is hardware
Which type of business is strong steel manufacturers?
A strong steel manufacturer would likely be a corporation.
What are the companies that manufacture CT scan machines?
GE, Toshiba, Siemens, Dicom etc
Dicom make CT? Whats' their website?
Neusoft makes CT, it's a Chinese manufacturer.
What is the difference between 'equipment' and 'equipments'?
"Equipment with an "s" is correctly used with an apostrophe before the "s" as in "equipment's," a contraction for the word "is." An example: The equipment is expensive or The equipment's expensive."
Why is a diamond pin locator used with a round pin locator?
It's more difficult to mount a workpiece on two round pins than on a round and a diamond. A diamond pin is meant to handle the variation (tolerance) of the distance between the two locating holes.
Two round locating holes with diameters closely sized to the locating holes diameters may not always accept the allowable distance variation between them.
What is the shape of the tooth of spur gear?
The shape is known as an involute
the shape is analogous to unwinding a piece of string from a spool representing
the base circle diameter of the gear, imagine your pencil at the end of the string and the string kept tight during unwinding, unwind until line meets OD of gear, then apply blend radius at base circle, then mirror about tooth centre line for full tooth profile.
Why use blocking diode across the relay coil?
Coils have the strange property that when electricity is released from them, they reverse polarity and spike the remaining current back towards the source.
The diode is there to "block" this from hitting the power supply and potentially causing damage.
When your girlfriend asks you if she looks fat in that. There is no known solution to the Bulge Test, several leading physicists and philosophers spent their entire lives in search of the solution, but to no avail. It is rumoured that the great thinker Pythagoras in fact went mad from his inability to solve the Bulge Test, and it was this that drove him to believe in the sanctity of beans, which, it is well recorded, led to his demise.
Which came first elevators or skyscrapers?
The answer must include that before skyscrapers, men built what at the time were considered "very tall" buildings between 4 and 10 floors high. They put elevators into these smaller "very tall" buildings. When skyscrapers came later, the concept of elevators simply went along with the concept of extremely tall buildings that tried to reach the sky. So, technically, elevators came before skyscrapers, in numerous small and large towns with what was then "very tall" buildings that were only a fraction of the size of skyscrapers.
A micron is a micrometer, or one millionth of a meter (1/1,000,000 meters, or 1 x 10-6 meters). Mesh is a term used for a "screen" or "net" of some kind made of interlacing fibers or strands of some material. The mesh is a semipermeable "fabric" that will allow materials below a certain size threshold to pass through while stopping others. Mesh is also a term used in industry to speak to the particle size of irregularly shaped or granular material. For example, if we say "mesh 22" in regards to particle size, that means that particles that are about 1,000 microns in size and smaller will pass the screen, while larger particles will be obstructed and prevented from going through.
What is responsibilities of corrosion engineering in any industry?
The main responsibility of corrosion engineer is to provide the expert advice and support on material selection and corrosion control issues in support of design and operational activities regarding its industry..
What is the name of chemical for improve compressive strength and fast hardening of hollow bricks?
Concrete
A steam engine is an example of an?
An external combustion engine.
It's also an example of an engine that will start itself (no starter motor required if it's the piston type rather than a turbine).
It's also an example of an engine that has more torque when its running slowly than when it speeds up (if it's the piston type rather than a turbine).
How do you convert degree of rotation into mm?
Degrees of rotation does not convert directly to millimeters so the question in its current form has no answer. However, if the question is, "Given a known radius measured in millimeters and given a known angle in radians how do you find the length of the arc formed?" then the answer is:
s = rθ
Where
s = the length of the arc
r = the radius in question
θ = the known angle
Example
radius = 20mm
θ = 0.52 radians (30 degrees)
s = (20)*(0.52) = 10.47mm
If your θ is in degrees then the formula s = rθ will look like this:
s = rθ*pi/180
Dome blowing is a technique used to form thermoplastic sheet material, (cast acrylic is ideal, max 10mm) into a hemispherical dome, without the use of a forming mould. Hence the often used term "free blown". The material is oven heated then placed on the flat bed of the equipment and clamped into position by a cast aluminum ring. Usually three different sizes are supplied. Using a compressor, air is then blown through perforations in the bed underneath the heated and ply-able acrylic to the required height usually the radius of the ring selected.
Why are measuring tapes curved?
I suppose you are referring to a "Carpenter's Tape", one that is wound inside of a 4" x 4" metal case. If that is correct then, the carpenter needs the tape to be rigid as it is extended for vast distances. The slight width-wide curve gives the metal tape more rigidity thus allowing the carpenter to obtain accurate measurements.
Everything is done by General Contractor and client have to pay only payment periodically. Client is not affected by market rise. Owner put minimum efforts for his project so he has less stress.
Defined as 'a relative measure for evaluating the resistance of iron ores to size degradation by impact and abrasion' (ISO 3271:1995), also known as abrasion index.
Index used in certificate of analysis of iron ore pellets.
How is cereal processed and manufactured?
grown and harvested by framers cuz cereal comes form wheat and people on the fram is grown on a fram. The framers send the wheat to a manufacture and they do the stuff they need to do with it.
What is a spectacle blind flange?
"A spectacle blind - also known as a figure-8 blind - is generally a piece of metal that is cut to fit between two pipe flanges and usually sandwiched between two gaskets. A spectacle blind is often made from two metal discs that are attached to each other by a small section of steel. The shape is similar to a pair of glasses or "spectacles" - hence the name spectacle blind. One end of the blind will have an opening to allow flow through the pipe during operation and the other end is solid to block flow during maintenance. They are generally installed as a permanent device to separate process piping systems."[1]
The whole idea of a spectacle blind is so that one can be absolutely sure that an item of equipment is properly and securely blanked off with no possibility of any flow or leakage through a valve during maintenance. The flow can be diverted to other items of equipment but not just bypassed around the blank as this would compromise the safety function of the spectacle blind. The flow has to valved off and pressure relieved prior to loosening flange bolts and swinging the blind.
References
1. Steinmans, LLC, "What is the difference between a spectacle blind and a paddle blind or spade blind?", Online News Article, Web Link: http://spadeblinds.com/ournews/entry?id=6
What price is paid for salvaged copper?
It varies day to day. Location, the amount of it, what type it is and how clean all go into the price paid for it.