Which code states "all boilers having a fixed water level, the lowest visible water level in a gauge glass shall be at least 2 in. (50mm)....."
A. ASME Section 1, PFT-47.1
B. ASME Section 1, PG-60.1
C. ASME Section 1, PFT-47.2
D. ASME Section 1, PG-60.2
E. ASME Section 1, PG-60.3
Answer: B