On an oxyacetylene torch, Technician A says that the green hose is for oxygen. Technician B says that the red hose is for fuel. Who is correct?
A. Technician A
B. Technician B
C. Both
D. Neither
Answer: C
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Metal jewelry does not conduct electricity.
Answer the following statement true (T) or false (F)
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Which of the following is true of fluxes?
A. They are not reactive at room temperature. B. If they are overheated they contaminate the joint. C. They are not able to dissolve surface oxides. D. Fluxes are able to dissolve oils.
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Tank-type water heaters:
A. are the least commonly used. B. are lower in energy loss. C. require a greater equipment footprint. D. have more complex controls.
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Which of the following terms may be used to describe the center link?
A) Relay rod B) Connecting link C) Drag link D) All of these are correct.
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