Flex duct is easy to install, quiet, but has higher ________ than all other forms of duct material
A) installation cost B) efficiency ratings
C) energy loss D) resistance to airflow
D
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A(n) ____________________ shock usually has the reserve chamber in the same column as the working piston.
Fill in the blank(s) with the appropriate word(s).
Which of the wiring methods should be used on foliages made of many small leaflets or flowers made of many small florets?
a. Wrap method c. Hairpin method b. Stitch method d. Hook method
The number engraved on the nozzle indicates ____.
A. how many gallons of air per hour the nozzle will deliver regardless of input pressure B. how many foot pounds of pressure must be used to properly tighten the nozzle C. how many gallons of oil per hour the nozzle will deliver at a given input pressure D. the stock number of the part
When there is the potential to be exposed to asbestos, workers must _____
a. don a respirator before disturbing the asbestos b. remove the asbestos as quickly as possible c. report it to a supervisor and avoid disturbing it d. call the emergency number to summon first responders