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Q: Read the following passage. Which sound device is expressed by the bolded words?
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What is the difference between an error as a percentage of full scale or an error as a percentage of reading?

Error as a percentage of full scale is established by multiplying the error percentage by the full scale flow. The less you flow through the device the less accurate the reading will be. For that reason, you don't want to get a larger device than you need. Devices with error expressed as a percentage of full scale are most accurate when flowing at full scale.Error expressed as a percentage of reading expresses error as a percentage of what the device is actually flowing. Simply, if a instrument's accuracy is rated to +/-1% of reading an instrument will be accurate to +/-1% of whatever the instrument is flowing. At 100SLPM the instrument will be accurate to within +/-1SLPM, and at 10SLPM of flow the unit will be accurate to within +/-.1SLPM.


What does an amphometer measure?

An Amphometer is a device that is used to measure the passage of a vehicle. From it, the time taken to pass over a set distance can be calculated and the speed derived. It is sensitive to the direction of travel so can be used as a vehicle counter for traffic management.It uses air filled tubes connected to switches. The vehicle passage compresses the air, actuating the switch connected to the end of the tube. One tube starts the timer, the other stops it.


How matrices used in engineering?

If you have a system, which can be expressed as a set of linear equations, then you can utilize matrices to help solve it. One example is an electrical circuit which uses linear devices (example are constant voltage sources and resistive loads). To find the current through each device, a set of linear equations is derived.


What is the importance of isolation technique?

Answermaybe for us to easily isolate. Adding to the above...Isolation typically means isolating two parts of a device both physically and electrically.Isolation is mainly required for the following:* for safety pursoses. you wouldn't want to mess with live wires, would you? :)* To protect your device circuitry.* To avoid ground loops* to reject common mode - improve CMRR


What is the roman numeral of 542637?

your mumlawlImproved Answer:-The ancient Romans had no real reasons for such large numbers but if neccessary they would have worked out the equivalent of 542637 on an abacus counting device as in the following configuration:-(DXXXXII)DCXXXVII which means 1000*542+637 = 542637