The correct shut off procedure for an oxyacetylene torch is:
A) Close the acetylene first and then the oxygen.
B) Close the oxygen and acetylene simultaneously.
C) Close the oxygen first and then the acetylene.
D) Place the torch tip under water until it extinguishes and then shut off the torch valves.
C
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Reinforcements that consist of unidirectional fibers are called ____. ?
A. ?lamina B. ?thermoplastic C. ?fibrous D. ?interfacing
Which type of manual or service information includes the flat rate time and the cost of parts?
A) Factory service manuals B) Component location guides C) Free internet sites D) Parts and time guides
What common types of phase change materials are used for thermal storage systems?
What will be an ideal response?
Technician "A" says that a multi-evaporator system equipped with three evaporators (one high temperature, one medium temperature, and one low temperature) will use one evaporator pressure regulator and two flow check valves. Technician "B" says that the crankcase pressure regulator prevents the compressor from overloading on start-up. Which of the following statements is correct?
A. Technician "A" is correct. Technician "B" is correct. B. Technician "A" is correct. Technician "B" is incorrect. C. Technician "A" is incorrect. Technician "B" is correct. D. Technician "A" is incorrect. Technician "B" is incorrect.