Question 263General Subjects - QMED70% to pass
A pump shaft that is bent or distorted should normally be _______________.
AI Explanation
The correct answer is C) replaced with a satisfactory spare.
A bent or distorted pump shaft should normally be replaced with a satisfactory spare, as it is not advisable to attempt to straighten or repair a damaged shaft. Reconditioning by metalizing and machining (option A) or repairing by a welding process (option D) may not fully restore the shaft to its original condition and could compromise its structural integrity. Applying heat and torsion to straighten the shaft (option B) is also not recommended, as this could further damage the shaft.
The correct approach is to replace the damaged shaft with a spare that is in satisfactory condition, as this ensures the pump will operate safely and reliably in accordance with Coast Guard regulations and best practices.
Related Questions
#261 Air leakage between the shaft and stuffing box packing in a centrifugal pump is prevented by _______________.#262 To prevent overheating and scoring of the shaft after repacking the stuffing box, which of the following procedures should be carried out? #264 Why should the use of metallic or semi-metallic packing hooks or pullers be avoided on bronze or brass shafts, rods, plungers, or sleeves? #265 When renewing spiral packing in a centrifugal pump stuffing box, after the packing is firmly seated, the packing gland nuts should be _______________.#266 What should be done if localized scoring is discovered on a pump shaft sleeve during routine maintenance inspection?