Your company is setting up an experiment that involves the measurement of airflow rate in a duct and you have to come up with proper instrumentation. Research the available techniques and devices for air flow rate measurement, discuss the advantages and disadvantages of each technique and make a recommendation

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"The temperature of an ice bath is measured numerous times with a digital thermometer. The true temperature of the ice bath is 0.07202C. The sample mean temperature is T = -0.0008C. The sample standard deviation of all the readings is 0.02529C. We assume that the precision errors in the readings are purely random. In the standard engineering format, calculate the tolerance for 95%."

We wish to measure a characteristic of a machined part whose nominal size is 50 mm at 20 °C. For this, two different instruments are used; an analog micrometer and a digital vernier caliper, both recently calibrated and with the same resolution (0.01 mm). The calibration certificate data of the analog micrometer and the digital vernier are shown in tables 5 and 6 respectively. In both cases the calibration uncertainty does not include the contribution of resolution uncertainty. Additionally, there are drift studies for both instruments and it is established that the drift of the micrometer is ± 0.002 mm while the drift of the vernier is ± 0.02 mm.   The same number of measurements were performed with both instruments to avoid repeatability biases under controlled environmental conditions. Table 7 shows the results of the measurements of both instruments. The temperature of the piece was monitored with a digital thermometer whose calibration uncertainty is 0.1 °C, which already includes…