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Pig iron has a very high carbon content, typically 3.8?4.7%, along with silica and other constituents of dross, which makes it very brittle and not useful directly as a material except for limited applications.

The production of flat vertical surface on both sides of a work-piece in called straddle milling. When two or more parallel vertical surfaces are machined at a single cut, the operation is called straddle milling. Straddle milling is accomplished by mounting two side milling cutters on the same arbor, set apart at an exact spacing.

A clinometer is a special case of application of spirit level for measuring, in the vertical plane, the incline of a surface in relation to the basic horizontal plane, over an extended range. They differ in their sensitivity and measuring accuracy.

The average power loss over a cycle is P = V ? cos ?.
The average power dissipated depends not only on the voltage and current but also on the cosine of the phase angle ? between them. Cos ? is called power factor.
If the circuit contains only R, it is called resistive. Here ? = 0, cos? = 1.
There is maximum power dissipation.

When ever the quality factor gets higher, the selectivity of the circuit increases as shown in the diagram and the pass band becomes more and more narrower. It also results in reduction of its bandwidth.

Air is a non magnetic material. It will not get saturated how much the magnetic field applied is. So in an inductor core when the air gap is provided, even at higher currents with high magnetic fields, the core will not get saturated easily.

The IS rule 4648 stands for the lighting and it comes under the Electrical Layout in Residential Buildings category.

ABC method of inventory control involves a system that controls inventory and is used for materials and throughout the distribution management. It is also known as selective inventory control or SIC. It has become an indispensable part of a business and the ABC analysis is widely used for unfinished good, manufactured products, spare parts, components, finished items and assembly items. This method of management divides the items into three categories A, B and C; where A is the most important item and C the least valuable.

Linear Programming Problems (LPP) provide the method of finding such an optimized function along with/or the values which would optimize the required function accordingly. It is one of the most important Operations Research tools. It is widely used as a decision making aid in almost all industries.

As shown in the diagram, the hypotenuse of impedance triangle represents the impedance.

Static electricity is an imbalance of electric charges within or on the surface of a material.
The charge remains until it is able to move away by means of an electric current or electrical discharge.
It is developed by the action of friction between two surfaces.
A static electric charge can be created whenever two surfaces contact and separate, and at least one of the surfaces has a high resistance to electric current.
There are lots of examples for it in real life like the paper bits attracted by a ruler rubbed of fur, the body hair on hand awakening while approaching a CRT monitor etc.

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