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What it should be considered when selecting a location for earth station?
Wiki User
∙ 9y ago
There are three main considerations were selecting the location of an earth station. These considerations are location, traffic volume, and channel performance.
Wiki User
∙ 9y ago
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What Steps to take when selecting a suitable sampling frequency?
The Nyquist Theorem says that the sampling frequency should be twice the bandwidth to avoid aliasing. Thus if the bandwidth of the system is bw then the sampling frequency f=2*bw.
Should a resistor go on the positive or negative side of an LED?
It does not matter. Kirchoff's Current Law states that the signed sum of the currents entering a node is zero. A consequence of that law is that the current in every part of a series circuit is the same. The only thing that resistor location affects is the potential voltage of the LED terminals with respect to the rest of the circuit. Certainly, if you are driving the LED with high voltage, such as 120VAC, you should consider the resistor location so as to reduce electrocution hazard but, the LED's performance is not affected by resistor location in the circuit.
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The best way to determine which circuit breaker is for the water heater is with a voltage meter, It is suppose to be only one circuit breaker, but in a faulty application it could be two breakers
What is BDV test for distribution transformer?
When you say BDV you might mean the dielectric strength of transformer oil. A new transformer oil should have at lest a dielectric strength of 39 KV. from a British standard.Transformer oils used are normally tested using ASTM D877-82 with the KV strength tester using 1" electrodes spaced 0.1" apart and the test voltage increased at 3,000 volts/min until it breaks down. The average Kv obtained after 8 trials is considered the Oil dielectric strength.Using this test method,dielectric strength at 30 kv and above is considered good. Dielectric strength between 23 to 29Kvis considered usable, but requires filtering. Below 23 kv, the transformer oil should be replaced.Another method ASTM D18747-82 uses the small radius electrodes but spaced only .o4 inches. The test voltage is 500volts/min and increased until breakdown. The dielectric strength is still the average Kv obtained in 8 trials. The dielectric strength of 28-29Kv is considered good. Below 28 kv, the transformer oil is usable but requires filtering. The latter method is considered a better test method
Why neutral have zero voltage?
Your question should read, 'Why does a neutral have zero potential?' 'Voltage' means 'potential difference', and you cannot have a potential difference at a single point. A neutral doesn't necessarily have zero potential although it is connected to earth (ground). This is because the potential of earth isn't literally zero; it's just considered to be zero, in the same way that sea level is considered to be zero in terms of height. Furthermore, there is often a voltage drop between the neutral and earth -in which case, the potential of the neutral can be several volts higher than the potential of earth.
What factors should be considered in deciding the station of chain survey?
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What management organizational and technology issues should be considered when selecting computer software and hardware?
What management organizational and technology issues should be considered when selecting computer software and hardware?Read more: What_management_organizational_and_technology_issues_should_be_considered_when_selecting_computer_software_and_hardware
What management organization and technology issues should be considered when selecting computer hardware and software?
Management organizations and technology issues that should be considered when selecting computer hardware and software are for larger smaller companies can get by with a simple spreadsheet others will need specific software to manger there needs. The markets demand for strategy and business strategy should be considered. The different software's for each department should also be considered.
What things should be considered when purchasing commercial property?
The first thing that should be considered is location, location, location. Without a good location your business will go nowhere. Additional considerations should be the cost and then the size. If you answer those three needs you will be in good shape.
Economic security should be considered before selecting a marriage partner?
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What factors should be considered in deciding the stations of a chain survey?
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Coca-Cola should consider stability, sale potential, and marketing share.
A technician needs to purchase a new video adapter for a computer Which factors should be considered when selecting the adapter?
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What should be the most important consideration when selecting PFD?
When selecting a PFD, the most important consideration should be size.
