1724Mechanical EngineeringMedium
The diameters of fire tubes and superheaer tubes in locomotive boiler are________?
A24.5 mm, 65 mm
B47.5 mm, 130 mm
C65.5 mm, 210 mm
D32.5 mm, 180 mm
Correct answer
B. 47.5 mm, 130 mm
Explanation
The correct answer is 47.5 mm, 130 mm.