One advantage of cast iron boilers is:
a. Their high factor of brittleness
b. Reduced vibration due to their heavy foundations
c. Unlimited operating pressures
d. Resistance to corrosion
e. Their capacity is fixed and cannot be increased
Answer: D
One advantage of cast iron boilers is:
a. Their high factor of brittleness
b. Reduced vibration due to their heavy foundations
c. Unlimited operating pressures
d. Resistance to corrosion
e. Their capacity is fixed and cannot be increased