Electrical Engineering

You better have a 10,000 watt capable generator.

Synchronous motors are those that run only at Synchronous speed ie.. constant speed.

NORMALLY UTILITY SERVICE VOLTAGE ARE NOT STABLE AND THE WORST THAT COULD HAPPEN IS TO BURNOUT OUR SENSITIVE EQUIPMENT OR APPLIANCES DUE TO OVER AND UNDER VOLTAGE AND FREQUENT FLUCTUATIONS. IF YOU ARE USING OLD BUT SENSITIVE APPLIANCES THE BASIC SOLUTION IS TO USE AUTOMATIC VOLTAGE REGULATOR. NOWADAYS MANUFACTURERS SOLVE THIS BASIC ISSUE BY PRODUCING AUTOVOLT INPUT RANGING FROM 90V TO 260V AND CAN BE USED WITHOUT WORRIES IN EITHER 110V OR 220V SYSTEM.

Depends on just how insolated the stand is and if the ten KV can jump thru you to earth. I think two inches - you are toast. A few feet ok.

This is the current that flows under the application of a forward voltage. For eg. the dc forward current for an LED may be 30 mA when a forward voltage of 2.0V is applied.

A capacitor meter measures the value of a capacitor in pf (picofarads), nf (nanofarads), uf (microfarads) or even farads. There are a million uf in a farad, 1000 nf in a uf, and 1000 pf in a nf. A farad is a very large amount of capacity. The capacity tells you how much energy the capacitor can store from a voltage source.

pitch in music means

The VOM has the higher loading effect, because it has a lower impedance. It is typical for a VOM to have an impedance of 20K ohms per volt while the DMM has a fixed impedance of 10M ohms or 20M ohms.

The new design of the fire fighting system, has a glass bulb around the sprinkler, and if the fire or temperature of the room reach a certain degree then the glass will shatter. When the glass shatters then automatically the sprinkler will shower the room with water.

THIS IS ONLY DESCRIPTIVE NAME - THE TRANSFORMER USED IN CONTROL PANELS ARE USED FOR STEPPING DOWN TO A LOWER AND SAFER VOLTAGE HANDLING BY TECHNICIANS - 220V,110V, 48V, 24V, 12V, 6V. USUALLY FOR THE COILS OF CONTACTORS, RELAYS, TIMERS, PROTECTIVE DEVICES, PILOT LAMPS, METERINGS.

If you can use it in your lamp it will be a 20 watt bulb

It would be useful, almost required to get some sort of Nautical Almanac, which some of the larger Libraries have. Textbooks on astronomical navigation (a.k.a. celestial) would also come in handy as might Corps of Engineers technical manuals on such things as the Vertical axis Theodolite- a most versatile instrument. Get a Nautical al manac, not the farmer"s or News summary types! Good Luck, Galileo Jr!

Use the link to the Wikipedia article on the sextant and see what it can do.

To calculate the precise location of the sun, see the following site: http://www.astro.uio.no/~bgranslo/aares/calculate.html

For an on-line calculator in JavaScript check here: http://www.learn.londonmet.ac.uk/packages/daymedia/axel/sky/sunpath_calc.html

From your question I assume that you mean an AC inverter, a device that converts DC electricity to AC electricity. Invertors come in many forms, however are commonly simply a DC rectifier opperated in inverse with a component such as a thyristor used rather than a diode. This thyristor allows the rectifier to be triggered, creating a square wave output at a frequency of say, 50Hz. As square wave can be made up of a near infinite number of sine waves (see fourier transform) an RLC filter can then be used, tuned to the fundemental to give an AC output.

Rate of doing work

I reckon this is mostly found in a wire connected to the picture tube of your TV. A flashligh battery is 1.5 volts. The DC on your pic tube may be 25 thousands volts or more. Also, the term HVDC is a method of utility power transmission where buried cables use very high voltage DC instead of the usual AC to supply power over long distances. See the related question.

Its the simplest way to reduce the harmonic induction torque(i.e. by weakening the stator winding mmf harmonics)

I'm not--NOT--an electrician, so take this with a grain of salt (or a milli-amp). But, it seems to me that maybe the wiring on the phases is backwards. Maybe switching two of the main wires will reverse the direction. Oh, and stand back when you plug it in.

A Bourdon Gauge is a pressure indicator, it works with a "C" shaped tube oval in cross section that tries to straighten under pressure. When the tube tries to straighten it pulls on a connecting arm which turns a needle that is against a card that states the pressure. A bourdon gauge lets you know when a stoem is headed your way.It is like a warning tool because it lets you know early so you can prepare for the storm.

50-60 is fastest allowed

its usually around 30-40

A transformer breather is an acessory of an oil filled type transformer which is attached into the oil conservator tank; this serves as the breathing point of the unit, that when the insulating oil of the transformer gets heated up, it expands and goes back to the conservator tank and subsequently pushes the dry air out of the conservator tank through the breather which is filled with silica gel, when the oil cools down, it retracts and sucks fresh air from the athmosphere through the breather and from this point, the silica gel dries up the air that goes back in to the conservator tank.

for a better understanding have a look at the following pic:

http://www.csanyigroup.com/wp-content/uploads/posts/transformer-oil-diagnostics/img-1.jpg

As current flows through a conductor (wire) an electromagnetic field is produced. A CT is just a coil of wire that surrounds the conductor with the current flow. The EMF produced induces a voltage in the CT and that is sensed by some type of device to determine the amount of current in the primary conductor. Usually used when a large current is fed through the primary and you want to know what that is without measuring it directly. ADDITIONAL: THE MOST NEGLECTED ANSWER SPECIALLY IN DEFINING THE PURPOSE AND USE OF INSTRUMENT TRANSFORMERS (CURRENT AND POTENTIAL OR VOLTAGE TRANSFORMER) IS PROTECTION.

short circuit

R1/r2=r3/r4