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Why is it important to obtain a measurement that are both accurate and precise?
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What are the Importance of flow measurement and control?
1. The accurate measurement of a gas and liquid is important to obtain specific proportions as per process requirement is necessary. 2. The maintenance of definite rates of flow is important for maximum efficiency and production. Without accurate measurements precise quality is control is impossible. 3. Costs which are based on flow measurements will be incorrect if the measurement are erroneous because huge volumes of gas, steam and liquid may have to be measured daily, a very small %age error can amount to large sums.
What are the uses of measuring tools?
To obtain accurate measurements.
Which set of tools will provide the most precise measurements for calculating the density of an irregulary shaped rock?
It depends on the size and mass of the rock. For a "normal" rock (as opposed to merely a stone) I suggest a crane with some means for measuring the rock's mass. A number of pulleys, each with a weighing machine should do the trick. Alternatively, you could use a weighbridge, if there is one in the vicinity. To obtain its volume, you probably need a 3-d laser-profiling device. That should give the most precise measurement of its volume.
How many feet in length in an acre?
Multiply the acre by 43,560 and you will obtain square feet (ft^2). This is an area measurement not a length one.
How weighing by difference eliminate systematic error?
While made to be as acurate as possible, typical scales have error systematically as a part of their measurements. If you place an object directly on the scale, it will be effected by this error (keeping you from obtaining an accurate result). Instead, measure the weight of object A, then add object B. You are able to calculate the difference and obtain an exact measurement since both objects are subject to the same error.
What are the uses of a vernier caliper?
it directly obtain a more precise measurement
What is the measure of height?
to obtain an accurate measurement of a patient's height
What is the purpose of height?
to obtain an accurate measurement of a patient's height
What are the Importance of flow measurement and control?
1. The accurate measurement of a gas and liquid is important to obtain specific proportions as per process requirement is necessary. 2. The maintenance of definite rates of flow is important for maximum efficiency and production. Without accurate measurements precise quality is control is impossible. 3. Costs which are based on flow measurements will be incorrect if the measurement are erroneous because huge volumes of gas, steam and liquid may have to be measured daily, a very small %age error can amount to large sums.
How do you spell exact?
That is the correct spelling of "exact" (precise, accurate).
Can measurements be accurate and not precise?
Precision is a measure of how close to each other repeated measurements are. Accuracy is how close to a target value the measurement is. The only reason this unneccessary bit of info is in your book is to cram kids' heads with useless info. Very few scientists or engineers care about this trivia. Real science is about understanding how things work.
What is the purpose of height measurement?
Well, it's just nice to know how tall your horse is. And also, some registries have strict regulations on height, so to see if your horse meets these regulations, you need to know his height.
Why is it important to stir the beaker while the water is heated?
So that the temperature of the liquid is at a constant measurement
Advantages and disadvantages of vernier caliper?
Advantages of the Vernier caliper include being able to determine very small measurements; being able to measure depth; and the ability to measure outer and inner measurements at the same time. Disadvantages include learning to read the results correctly and the lack of accuracy compared to other methods.
Is an important step to be performed during continual service improvement (CSI) to obtain an accurate unbaised snapshot of where the organisation is right now?
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What are the uses of measuring tools?
To obtain accurate measurements.
Is it important to be exact when preparing a chemical reaction?
Yes, because if you are not, there could be an accident if too much of a chemical is added, and when you want to work out the amount of product produced or reactant used, without a large degree of uncertainty, you must be as precise as possible. (The less precise, the more uncertainties, the larger percentage error) But remember, you must be accurate and precise in order to get reliable results. Accuracy is the ability to have your experimental data match up with known results, and precision is the ability to obtain the same data more than once. http://chemistry.about.com/od/chemistryquickreview/a/accuracyprecise.htm
