8-hour time-weighted average (TWA) noise exposure for 80.5 dba
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8-hour time-weighted average (TWA) noise exposure for 80.5 dba
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- QUESTION 61.Determine the permissible noise exposure (or PEL) using the OSHA equation, given that an employee is exposed to 98 dBA for 3.5 hours. 3.3 hours 1.9 hours 3.1 hours 2.6 hours Please provide Handwritten answerExplain how carbon dioxide levels can be used to estimate the occupancy level in a particular area in a structure.In instrumental analysis, what are the sources of noise?
- Which of the following thermocouples can measure temperature in a comparatively high range? 1) iron-constantan 2) chromel-alumel 3) platinum-rhodium 4) iridium-rhodiumŒ Œ O Question 14 Which one of these tables is least stable? A B C DA pressure measurement system is stated as having the followingcharacteristics. Explain the significance of the terms:Range: 0 to 125 kPa and 0 to 2500 kPaAccuracy: ±1% of the displayed readingTemperature sensitivity: ±1% of the reading per o C
- To determine the maximum speed of a vehicle in a specific situation, it is necessary to determine the to movement of a vehicle. Elevation resistance Grade resistance Rolling resistance Total resistanceHow may acoustic designers alter the design of a room, which was previously used for music performances, into a room now to be used for spoken word performances? Use annotated diagrams for your responseThe noise level in a factory with 12 identical machines running is 80 dB. At night, the factory must comply with local noise regulation not to exceed 75 dB. How many machines can be used at the night shift
- The notch sensitivity "q" which is expressed in terms of fatigue stress concentration factor K and the theoretical stress concentration factor k. is given as O a. q=(Kf+1)/(Kt+1) O b. q=(Kf-1)/(Kt-1) Oc. q=(Kf+1)/(Kt-1) O d. q=(Kf-1)/(Kt+1)30° T₂ 7 m T₁ OF OF OLE T 9 m T₁₁ 10 O T₁ 5 m То 6 mThe instrument used for air flow measurement in cooling tower experiment is called animometer. Select one: O True False