Locomotive boiler tubes are made of _____________ alloys?
Correct answer: A. Arsenic copper
- A. Arsenic copper
- B. Magnesium
- C. Aluminium
- D. Nickel
Explanation
Locomotive boiler tubes commonly use arsenical copper alloys because a small amount of arsenic improves resistance to corrosion and softening at boiler temperatures. The other listed metals are not the usual alloy designation for these tubes.
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