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Safety management - Lab Report Example

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This implies suppose a region has high quantities of humidity, then its heat high index is and vice versa (Gieseke 175). Determining this extent of quantity of…
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Environmental Heat Index Measurement Introduction Heat Index refers to a certain region’s extent of coldness and warmthstate based on relative humidity (Gieseke 175). This implies suppose a region has high quantities of humidity, then its heat high index is and vice versa (Gieseke 175). Determining this extent of quantity of humidity’s effect on heat index entails use of varied instruments whereby some are digital whereas others analog. The latter have been in use for long until better and more inherent accurate components were developed to give accurate results having decimals contrary to analog ones.

This study’s core focus encompasses thermal stress, which is exchange of heat with an ambient environment from a radiating body. However, this phenomenon may differ significantly based on varied factors besides location, which are climatic conditions, work demand and clothing. Hence, influencing workers’ conduct especially if they are working in a closed or poorly ventilated place to the extent some may exhibit irritability, working slowly or taking persistent breaks to go out where conditions are favorable.

Therefore, the knowledge of this phenomenon is essential to engineers and other related experts in structural engineering when designing appropriate buildings in quest of installing proper ventilations. In this experiment, interval for elevation of temperature was at least 10 minutes in order to allow even distribution of heat and for the used equipments to stabilize for better results. Obtaining of the required results entailed measuring of both WBGTin and WBGTout coupled with tabulating them in a table for later comparisons when giving deductions.

Hence, compare them though in ascertaining the premise of this experiment divergence will not show big margins. This experiment seeks to compare the two equipments’ accuracies based on their results. ObjectivesTo compare and measure environmental heat index by using a digital and analog instrument.Materials and instrumentsTable 1: Materials/instruments and their respective quantitiesMaterials/InstrumentsQuantityGas Thermente 3 (Scale in 0C)Guest Temperature (320C)1Space heater 1,500 WTape Measure 1Stand Steel pouch1Black plaster Globe1Cotton Sock1Distilled water2.

3 O2MethodologyAfter having obtained the required materials and equipments required for this experiment, the second step was to set up the entire structure as shown in Figures 1, 2 and 3. This is to ensure after the commencement of the experiment observations are easy and devoid of errors in case of any incorrect setting of respective equipments or apparatus.Figure 1:Figure 2: Once the setting was complete, out of fifteen students they were to observed resulting data but in groups. These were to read varied temperatures quantities and recording them correctly after they have come to a consensus that they had taken respective readings accurately.

The insistence of correctness in this experiment was to ensure its results do not minimum percentage of error due to inappropriate reading. Commonly allowed difference in time for elevation of temperature before taking any readings was approximately 10 minutes. After taking readings, students tabulated their results in a table as shown in the results’ section. ResultsTable 2: Analog Instrument’s ResultsAnalog Inst.TnnbTgTdbPreheating Cord130C220C220Caldn- Heating Cord152427Table 3: Digital Instrument’s ResultsDigital Int.

TnwbTg Tdb1St13.20CNet21.80CBrg 21.30C2nd1929.629.0Table 4: Analog Instrument’s refined results (after repetition)Analog Inst.TnnbTgTdb1st 1313212121212nd Table 5: Digital Instrument’s refined results (after repetition)Digital Int.TnwbTg TdbPre-Heating Cord13.213.221.821.821.321.3aldn- Heating CordThen calculating for WBGTWBGTin = 0.7 Tnwb + 0.3 Tg (1) = 0.7(13.2) + 0.3(21.8) = 9.24 + 6.54 = 15.78 0C WBGTout = 0.7 Tnwb + 0.2Tg + 0.1 Tdb (2) = 0.7(13.2) + 0.3(21.8) + 0.1(21.3) = 17.

910CConclusion Based on the above results, digital results exhibit a heightened accuracy contrary to the analogy instrument. This is because of its inherent accuracy’s advancements when taking minor and detailed readings evident in its results bearing decimals. Acknowledgement Work CitedGieseke, Timothy M. Ecocommerce 101: The Emergence of an Invisible Hand to Sustain the Bio-Economy. Minneapolis: Bascom Hill Publishing Group, 2011. Print.

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