Answer the following statement(s) true (T) or false (F)
1. Contamination from blood-borne pathogens occurs from exposure to small sprays, splashes or mists of body fluids from infected people.
2. Hot work can provide a source of ignition for a flammable atmosphere.
3. Site firefighters attend firefighting schools on a regular basis.
4. All portable fire extinguishers are filled with the same firefighting material.
1. True
2. True
3. True
4. False
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Alligator gar is the only gar found in North America with a snout twice the length of its head
a. True b. False Indicate whether the statement is true or false
For the cash flows shown (in $1000 units), calculate the value of x that makes the present worth in year 0 equal to $300,000 at an interest rate of 10% per year.
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Which metal is the best conductor of electricity?
A) Brass B) Silver C) Copper D) Gold
How should you charge an R134a or R404 reach-in that uses a cap tube system?
a. Weigh in the charge per the nameplate. b. Charge to a 30° condenser split (25 ° for freezers). c. Charge to a clear sight glass, proper condenser split, and 10° subcooling.