Industrial Engineering

A Step-Up Option is a type of derivative in which the option's strike price resets when knocked in. For example, a long, at-the-money step-up put on a market with a spot price of 100 could have a reset strike every 10 points. When the market hits 110 your strike price steps up to 110.

This will make this put more expensive than a plain vanilla put since your protection level is raised as the market moves away from your original level.

in 1890

yes

Corrosion means the breakdown of essential properties in a material due to chemical reactions with its surroundings. Marine corrosion is of particular interest to designers of ships and shoreline facilities because most metals used in these structures are vulnerable to damage from water, and sea water in particular. As an example, metals such as the reinforcing steel used in concrete structures will react in the presence of sea water forming rust that will expand and destroy the overlying concrete, leading to a premature failure of the structure. Different metals corrode more or less agressively in the presence of sea water, and materials scientists track this vulnerability in the "galvanic series", which is a chart that lists each material according to the severity at which it corrodes within a given environment. Note that bonding two metals together in a corrosive environment causes an electrochemical reaction between the two, which causes accelerated corrosion of the metal further down on the galvanic chart. (The metal further down the chart is known as the anode as is preferentially corroded. The other metal is refered to as the cathode.) To slow or limit corrosion of a particular piece of valuable metal (like a ship's hull or your hot water tank), engineers can attach a "sacrificial anode", which will corrode while protecting the structure in question. Another method of reducing corrosion in metal facilities (such as pipelines) is to provide a low level of electrical current to the facility in a system know as "cathodic protection" which protects the facility by accellerating corrosion to anodes driven into the ground at regular intervals. Rod Burrows, PE

India,Brazil,Turkey,U.S.A and Pakistan

a Maintenance Technician is somebody who Maintain the day-to-day operations and to assume responsibility for maintaining the physical asset of property under the direction of the Property/Operations Manager.

what are the advantages of silver service to an establishment?

Deaerator removes dissolved oxygen from boiler water.

The condensate cascades down a number of perforated trays and its surface area is greately increased. This enables dissolved oxygen to come out.

Further bleed steam is supplied to deaerator and due to this the atmosphere is predominantly of steam. So the partial pressure of oxygen above the water level is very very low. When a gas exists above a liquid level, the solubility gas in the liquid depend upon its partial pressure. So oxygen comes out of water.

Deaerator outlet water has less than 0.05 ppm dissolved oxygen.

This is furthe removed by dizing of Hydrazene (N2H2).

=A.D.PALAMWAR

becouse it is nt linear ... basicaly closs loop is linear .. and its loops

Sweden

Yes, If if both samples are by equal volume of space not by mass, and heated at the same rate in the same time frame the answer is Yes.

Tomas W. Stewart

water used to brake

Heavy hex head has a larger bearing surface. For example a 1" heavy bolt 1-5/8" dimension across the flats. A finish hex bolt is 1-1/2". This creates a strong fastener. This is one reason many high strength structural bolts like ASTM A325 and A490 are specified a heavy hex pattern.

The head thickness is identical for both bolts.

These bolts are often found in industrial and steel connection situations. The stronger design is critical.

Yes

The ULN 2003 and the ULN 2803 are similar devices. The 2803 was the more popular choice because it required fewer external components.

The ULN2803 is a small integrated circuit that contains 8 transistor driver channels. Each channel has an input to a resistor connected to the base of a transistor and a 1 amp open collector output capable of handling up to about 30volts (if my memory is correct). Each of the collectors has a reverse biased diode connected to a common Vcc pin that provides inductive spike protection.

The ULN 2003 is identical other than the resistors feeding the base of the transistor. It is up to the designer to add suitable current limiting at the base of each transistor, normally a resistor added externally.

Typical uses are for micro-processor interfaces to relays, lamps, solenoids and small motors. A 2803 with a set of relays is a simple and effective way of switching mains voltages for example. They are used less commonly today but were once an almost universal means of interfacing processors to power devices.

library ieee;

HP/.00134= Watts

Then

Watts divided by Volts = AMPS

For expample.

a .75 HP electric motor running on 220VAC uses 2.544 amps

.75 / .00134 = 559.7015 Watts

then

559.7015 / 220 = 2.544

200 mpa

Supersonic

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Copper rolling is the process of converting large blocks of copper into thin sheets by rolling them slowly down to size. These sheets of copper were used in the 18th and 19th centuries mainly to plate the bottoms of ships. This process of plating ship bottoms, referred to as "sheathing" or "coppering", helped increase the speed and lifespan of ships. Copper, specifically, was desired for this process due to the fact that it reacts with seawater to create an oxide coating that prevents the build-up of barnacles, weeds, and other detritus, in addition to physically stopping worms from burrowing into and degrading the wood. Not only did copper sheathing help ships sail faster by keeping their hulls clean, but it also drastically increased the amount of time a ship could remain in service between overhauls. In fact, "British Navy Comptroller Charles Middleton estimated that copper sheathing might double the number of ships at sea at any time.