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The most precise and accurate instrument for measuring diameter is typically a micrometer screw gauge. This tool allows for measurements with a high degree of precision, often to the thousandth of a millimeter. For larger diameters, a caliper, particularly a digital caliper, can also provide accurate measurements, but micrometers are generally favored for their finer resolution in smaller diameter measurements.
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What do you understand by the zero error of a measuring instrument?
Zero error refers to a discrepancy in a measuring instrument where it does not read zero when it should. This occurs when the instrument's scale is misaligned or there is a mechanical fault, leading to inaccurate measurements. For example, if a scale shows a reading of 2 grams when no weight is applied, it has a zero error of +2 grams. Correcting for zero error is essential to ensure precise and accurate measurements.
What instrument would you use to mesure milimetres?
To measure millimeters accurately, you can use a caliper, which allows for precise measurements of both external and internal dimensions. A ruler or a measuring tape marked with millimeter increments is also suitable for less precise measurements. For highly accurate measurements, a micrometer can be used, particularly in mechanical and engineering applications.
Can a number be accurate but not precise?
no only if it is precise it is accurate
Which is more accurate to measure volume of liquids a burette or measuring cylinder?
A burette is generally more accurate for measuring volumes of liquids compared to a measuring cylinder. This is because a burette allows for precise control of liquid delivery and has finer graduations, enabling measurements to the nearest 0.01 mL. In contrast, measuring cylinders have larger increments, making them less precise for small volume measurements. Therefore, for tasks requiring high accuracy, a burette is the preferred choice.
What piece of equipment would be best for measuring a marble?
The best piece of equipment for measuring a marble would be a caliper, specifically a digital or vernier caliper. This tool allows for precise measurement of the marble's diameter and can also measure its circumference if needed. Alternatively, a ruler could be used, but it would be less accurate for small, rounded objects like marbles.
What instrument is most precise in measuring location on ocean?
The Global Positioning System (GPS) is the most precise instrument for measuring location on the ocean. It uses satellites to provide accurate location data in real-time.
Is less precise instrument always more accurate?
No. Accurate relates to how close the actual measurement the instrument measures. Precise relates to how much detail the instrument gives when measuring. They are independent to each other: An measurement can be precise and accurate (eg the value of π is 3.141592654) An measurement can be precise and inaccurate (eg the value of π is 1.733677432) An measurement can be less precise and accurate (eg the value of π is 3.14) An measurement can be less precise and inaccurate (eg the value of π is 1.73).
What do you call Marks and numbers on measuring instrument?
Marks and numbers on a measuring instrument are typically known as the scale. The scale is used to quantify measurements and provide a numerical value for the dimension being measured. It allows for accurate and precise readings to be taken from the instrument.
Are digital calipers accurate in measuring precise dimensions?
Yes, digital calipers are accurate in measuring precise dimensions due to their high level of precision and digital display that allows for easy and accurate readings.
What instrument which would be more accurate for measuring the volume of a liquid?
A graduated cylinder would be more accurate for measuring the volume of a liquid compared to a beaker. This is because graduated cylinders have more precise volume markings and allow for more accurate readings due to their narrow and uniform shape.
Why is it possible to be more precise when measuring in millimetres rather than centimeters?
A millimetre is smaller than a centimetre. When you have an instrument that can detect lower levels (lower LOQ), you can be more precise. This instrument, when measuring lower numbers, will convert cm to mm for instance.
Are graduated cylinders accurate for measuring liquid volumes?
Yes, graduated cylinders are accurate tools for measuring liquid volumes due to their precise markings and calibrated scales.
Which is most accurate burette beaker measuring cylinder and volumetric flask?
The most accurate of these instruments is the volumetric flask, as it is typically calibrated to contain a specific volume at a specific temperature. Burettes can also be very precise when reading volumes of liquids being dispensed. Measuring cylinders are less precise than burettes and volumetric flasks. Beakers are the least accurate for measuring precise volumes due to their lack of a precise scale.
How accurate is a bomb calorimeter?
A bomb calorimeter is a highly accurate instrument for measuring the heat of combustion of a sample. It can provide precise and reliable data on the energy content of different materials, making it a valuable tool in various fields such as chemistry and food science.
A balance would be the best tool for measuring?
A balance is a precise instrument used to measure mass of objects by comparing them with known masses. It provides accurate measurements by balancing the object against standard weights. This makes it a reliable tool for tasks that require precise measurements of mass.
What do you understand by the zero error of a measuring instrument?
Zero error refers to a discrepancy in a measuring instrument where it does not read zero when it should. This occurs when the instrument's scale is misaligned or there is a mechanical fault, leading to inaccurate measurements. For example, if a scale shows a reading of 2 grams when no weight is applied, it has a zero error of +2 grams. Correcting for zero error is essential to ensure precise and accurate measurements.
What tool used for measuring precise volumes of liquids?
A graduated cylinder is used measuring precise volume of liquids.A graduated cylinder is used measuring precise volume of liquids.
