The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is___________________?
(A) more
(B) less
(C) same
(D) could be more or less depending on other factors
(E) none of the above
The diameter of tubes for natural circulation boiler as compared to controlled circulation boilers is___________________?
(A) more
(B) less
(C) same
(D) could be more or less depending on other factors
(E) none of the above
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