Technician A says that the diameter of a bolt is the same as the wrench size used to remove or install the fastener. Technician B says that the length is measured from the top of the head of the bolt to the end of the bolt. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
D
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The maximum distance a PFAS should allow a worker to fall is _____.
a. 2' b. 4' c. 6' d. 8'
Answer the following statement(s) true (T) or false (F)
A. The Poynting correction equation can be derived directly from the equation fL = fV, with no assumptions or approximations of any kind. Its accuracy is limited by the accuracy of the estimate of fsat. B. The shortcut equation can be derived directly from the equation fL = fV, with no assumptions or approximations of any kind. Its accuracy is limited by the accuracy of the measurements of TC, PC and ?. C. The Clapeyron equation can be derived directly from the equation fL = fV, with no assumptions or approximations of any kind. It is often necessary to make assumptions or approximations in order to solve the equation. D. The Antoine equation can be derived directly from the equation fL = fV, with no assumptions or approximations of any kind. It should only be used in recommended temperature ranges. E. None of the above are true.
Technician A says to always wait five minutes before removing the radiator cap from a hot engine. Technician B says that leaking coolant may cause a rust-colored stain. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
Most zone dampers in zoning systems _____
a. are powered open and spring-return closed b. are powered closed and spring-returned open c. have four distinct positions d. must serve more than one diffuser