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What is a circuit board that provides connections to peripherals?
Adapter card
Where isolators are placed in substation?
An isolator is a non load-breaking switch, and is provides a visible means of isolating a component, such as a circuit breaker, transformer, etc., from the high-voltage lines, whenever it is necessary to perform maintenance of that component. Normally, isolators come in pairs, with one on each side of the component to be isolated. Isolators are only opened afterthe load current has been broken using a circuit breaker, and must be closed before the circuit breaker is reclosed.To work on, say, a h.v. circuit breaker, the breaker must be tripped, the isolators on either side must be opened and locked off, temporary earths attached to either side of the circuit breake- to-work card, detailing the maintenance work, must be issued to the crew by the supervising engineer.
How do you position the test instruments into the circuit ensuring the correct polarity and without damaging the circuit components?
That's a short question with a long answer. For example, when observing waveforms in a printed circuit card with a 'scope, I like to use a 10X probe with a sharp needle tip. The 10X probe presents about 10 megohms to the circuit under test, so that it doesn't load it, and the sharp needle tip penetrates conformal coatings. For example, when measuring voltages, use a 'scope set to DC coupling if accuracy is not critical. If accuracy is critical, I use a FET meter or a differential voltmeter, with a sharp needle probe. When using a spectrum analyzer, various probe schemes can be used. One of my favorites is a sniffer probe consisting of six turns of #30 wire wound round a 50 ohm quarter watt resistor, on the end of a piece of thin 50 ohm co-ax. For injecting a signal into a receiver, apply the signal across one of the input decoupling capacitors. The capacitor has enough impedance to allow the signal to be seen. Each case is different, and it up to the technician to know enough about the situation to create a strategy.
What are the basic blocks of generalized instrumentation system?
basically an input is given to the transducer, which is the 1st basic block of instrumentation system. this transducer's o/p goes to the signal conditioning circuit whose o/p is then given to the recorder, analog meter, digital transistor, printer, controller, oscilloscope and the punch card.
What card translates binary data into images on a computer screen?
If there is a dedicated card, it's commonly called a graphics card. Some computers have a graphics chip set on the motherboard, this is called integrated graphics. These are usually inferior to a dedicated card, but much cheaper.
What is an expansion cord?
An expansion card, not cord is a printed circuit board that is inserted into an electrical connector. It is used to move information between the internal hardware of a computer system.
How do you tell if a visa card is a gift card?
If it doesn't have a name printed on it, It's a gift card. Another way to say it is it has amount printed on it.
How can you tell when a greeting card was printed?
look on the back and it will say when it was printed!
When was the Christmas card printed?
zeba
How to find atm card number?
The card number will be printed or embossed onto the front of the card !
How can i get the last four of my credit card?
It's printed on your card !... or your monthly statement !
How do you replace a sound card in a laptop?
You will need to go to the manufacturer's site to obtain the schematics for your particular unit. Changing a sound card may be something you need to have a professional do for you.
What do they mean by card number on a Visa card?
The 16 digit account number printed or embossed on the card.
Does American Express provide patriotic credit card images?
American Express has many patriotic credit card images printed on their cards. You can even have a custom image printed on your card for a certain price.
What is a credit card number that you can use anytime for free?
The one printed on the card in your wallet.
Where is mention PIN at ATM card?
Nowhere. The PIN is not printed on the ATM card. It is usually memorised by the card holder.
What is the standard size for the printed tray card that is the CD's front cover?
4.724 by 4.724 inches for the main printed tray card Album/CD/DVD cover.
