Relevant Competitive Tests:
The diameters of fire tubes and superheaer tubes in locomotive boiler are_________________?
A. 47.5 mm, 130 mmCorrect Answer
B. 32.5 mm, 180 mm
C. 65.5 mm, 210 mm
D. 24.5 mm, 65 mm
Correct Option: A. 47.5 mm, 130 mm
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