Technician A that says free and positive are two types of valve rotators. Technician B says that valve grinding should start with truing the valve tip; then the face should be refinished. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
C
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Methylacetylene propadiene (MAPP) gas is a combination of acetylene and _____.
a. natural gas b. propylene c. propane d. oxygen
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The beef industry is primarily divided into what three segments?
What will be an ideal response?
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For which of the following is the last part of the evaporator used?
A) Raise the liquid percentage B) Increase the vapor percentage C) Lower the liquid percentage D) Superheat the refrigerant
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A strong steel safety cable used to connect two compressed-air hoses, or a hose and tools, is called a _____.
a. backlash preventer b. guard cable c. tool lockdown d. whip check
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