List some of the topics that are included in a MSDS.
What will be an ideal response?
• Material common name or trade name
• Manufacturer’s contact information
• Chemical description: liquid, gas, solid, along with color and aroma
• Chemical composition: stated or listed as trade secret. In the case of an emergency, the manufacturer must provide chemical information to medical provider for treatment.
• Properties: caustic, acidic, corrosive, reactive, explosive, vapor pressure, flammability, flash point, etc.
• First aid measures and emergency contact information
• Routes of entry: inhalation, absorption, or ingestion
• Recommended PPE
• Fire extinguishing method
• Threshold and maximum exposure limits listed as time weighted values, ppm, etc.
• Handling and storage
• Accidental release
• Disposal information
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The concentration of a reactant is a random variable with probability density function
a. What is the probability that the concentration is greater than 0.5?
b. Find the mean concentration.
c. Find the probability that the concentration is within ±0.1 of the mean.
d. Find the standard deviation ? of the concentrations.
e. Find the probability that the concentration is within ±? of the mean.
f. Find the cumulative distribution function of the concentration.
Using appropriate diagrams, describe the resultant effect of a sudden reduction of the capacity (bottleneck) on a highway both upstream and downstream of the bottleneck.
What will be an ideal response?
A measure of a lamp’s ability to show colors accurately is called __________.
a. color temperature b. color rendition c. candlepower d. light
The instant the ignition switch is turned to the start position, ________
A) The pull in winding is energized B) The starter motor starts to rotate before energizing the starter pinion gear C) The hold in winding is energized D) Both the pull in winding and the hold in winding are energized