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1. Lightweight wood trusses have received substantial attention in the last several years, including an alert issued by NIOSH in 2005. Although this is somewhat dated, the message still applies for today's fire service. Please discuss the dangers of lightweight wood trusses and how they apply in your community. What has your department done to identify and prepare for these hazards from a preplanning and operational perspective?
2. Describe how a lightweight wood truss will fail when exposed to a fire.
Your response should be at least 200 words in length. You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.
3. You are a firefighter assigned to protect the exteriors of two old wood frame apartment buildings located on both sides of an alley way. Both of the apartment structures have exterior sidewall asphalt siding shingles. What are your concerns? Please discuss.
Problem- Calculate the binding energy (kJ/nucleon) for a Cu-63 nucleus. H-1 = 1.00785 g/mol, n-1= 1.008665 g/mol, Cu-63= 62.93960 g/mol.
how the isomerization from trans to cis isomer might occured. How does this compare to the isomerism of trans-[Co(NH3)4Cl2]Cl?
Calculate the distance NH3 gas and HCl gas would travel if a 100.0-cm tube were used, based on the accepted molar mass of the two gases
The decomposition of KClO3 proceeds spontaneously when it is heated. Do you think that the reverse reaction, the formation of KClO3 from KCl and O3 is likely to be feasible under ordinary conditions
What volume of oxygen gas at 25 degrees Celcius and 1.00 atm is produced from the decomposition of 22.33 mL of a 30.0% (by mass) solution of hydrogen peroxide?
Starting with the previous noble gas, write the condensed ground-state electron configuration of an atom of the following elements.
The solubility of solute in a solvent depends on various parameters, such as temperature, pressure, the nature of the solute, and the nature of the solvent. Considering these parameters, identify the statements that are correct for the solubility ..
The mass of the isotope, I-129, is 128.905 amu while the atomic mass of the contaminated iodine sample is 127.1982 amu. What is the mass of the contaminant?
Compute the maximum amount of electrical energy which may be generated by combustion of 1000 g of hydrogen gas a) in an electrochemical fuel cell operating at 298 K and 1 bar. b) In a power plant where fuel is burnt at 600 K to drive an electrical..
An experimenter has determined the relative abundance (fractional abundance) of the five naturally occurring isotopes of platinum: Pt - 192 0.80% Pt - 194 32.96% Pt - 195 33.86% Pt - 196 25.36% Pt - 198 7.22% From the above data
Provide a mechanism for the reaction of phenylmagnesium bromide with benzonitrile. What final product is obtained if this initial product is reacted with dilute aqueous acid? Provide a mechanism for this second step.
A student traces of brown deposite during the KMnO4 (NH4)2Fe(SO4)2 titration and quickly add more H2SO4 and continued his titration?Suggest what wil happen and why.
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