Technician A says a refrigerant service cylinder should have a pressure relief valve. Technician B says a fusible plug gives the best protection between 160°F and 180°F. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: A
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Answer the following statements true (T) or false (F)
1) The purpose of investigating accidents is to assess blame. 2) Accident-analysis reports are for determining why an accident occurred and should be completed by a professional. 3) It is better to wait 24 hours before conducting an accident investigation so that witnesses have time to think through what they want to say. 4) Facts to be uncovered in an accident investigation can be summarized as who, what, when, where, why, and how. 5) Personal beliefs and feelings is one category of common causes of accidents.
Which of the following is the simplest form of heat exchanger?
A. Air-cooled B. Plate-and-frame C. Double-pipe D. Shell-and-tube
The ______________________ is nothing more than a large tank that both receives water from the condenser as well as supplying water to the condenser.
Fill in the blank(s) with the appropriate word(s).
The cost of fabfication and installation of the ductwork can be determined by multiplying the ____________ times the labor cost for fabrication and installation.
A. total width B. total weight C. total length D. size