daniecott
28.11.2019 •
Engineering
Aplant has two identical standby generator units for emergency use. in the area of the generators, the normal noise level registers 81 dba on the sound-level meter with the generators turned off. when one generator switches on, the slm needle jumps to 83.6 dba. (a) perform calculations to determine what the dba reading will be when the second generator also turns on (so that both generators are on). (b) if both generators are on for a full 8-hour shift, will osha's pel be exceeded? will the al be exceeded? explain. (c) if one generator is on for half the shift and both are on for the other half, will the pel be exceeded? will the al be exceeded? explain. (d) in the absence of any plant background noise, what would be the sound level contributed by a single generator? by both generators? show calculations to explain.
Solved
Show answers
More tips
- F Family and Home When and how to start introducing solid foods to your baby?...
- C Computers and Internet Keep Your Mouse Pad Clean: The Right Way to Clean It?...
- F Food and Cooking Homemade French Fries: The Ultimate Guide...
- F Food and Cooking Red Caviar: How to Choose the Best?...
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking Everything You Need to Know About Pasta...
Answers on questions: Engineering
- M Mathematics What is the surface area of this rectangular prism?...
- E English Why did martin luther king jr study teachings of mohammad gandhi?...
- C Computers and Technology Daniel makes changes to a workbook named “results.” he saves the file as “new results” but did not realize that a worksheet named “bonus” has an external link to the original...
- B Biology True or false? (psychology) the failure to recall important information due to a physical injury to the head is known as dissociative amnesia....
- E English What effect does family have on growing up? what impact does historical context have on growing up?asap...
- M Mathematics Can someone check this, (i do report as needed and i do mark brainliest)? you!...
- M Mathematics Asap - 40 points will award brainliest the lunch special at mrs. tucker’s country buffet has a choice of: 2 appetizers 5 main courses 5 desserts 3 drinks how many lunch meals...
- H History Can someone write me a 5 paragraph essay on the conflict between malcolm x and martin luther king, jr. the hypothesis needs to be a question that may not have been answered....
- C Chemistry A0.25 g sample of a pretzel is burned. the heat it gives off is used to heat 50. g of water from 18 °c to 42 °c. what is the energy value of the pretzel, in kcal/g?...
- B Biology 5. a summer-squash plant that is true-breeding for disc-shaped fruit is crossed with a summer-squash plant that is true-breeding for long fruit. all the f1 progeny have disc-shaped...
Ответ: