Question 182General Subjects - 1st Asst/Chief70% to pass
When ordering a new centrifugal pump for installation, what is the advantage of a pump with a double suction impeller over a single suction impeller?
AI Explanation
The correct answer is C) The pump will experience less axial thrust.
The key advantage of a centrifugal pump with a double suction impeller is that it experiences less axial thrust compared to a single suction impeller. This is because the forces acting on the two sides of the impeller are balanced, reducing the net axial force acting on the pump shaft and bearings.
The other answer choices are incorrect:
A) Pump capacity is not doubled, it depends on the design and size of the impeller.
B) A double suction impeller does not inherently allow for a reversible drive.
D) Double suction impellers can actually reduce water turbulence compared to single suction designs.
Related Questions
#180 Which of the following statements is true concerning centrifugal pumps? #181 Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by _______________.#183 One is informed by the owner that two of the vessel's electrically driven centrifugal cooling water pumps will be replaced with two of higher capacity pumps. No modification of existing piping will be involved. What should be your concerns from an operational perspective? #184 On disassembling a centrifugal pump for overhaul, the third engineer reports holes drilled axially in the back side of a single suction closed impeller. The reason for the these holes is which of the following? #185 While making a round in the lower engine room you discover a leak in the suction pipe to the main salt water pump. How would proceed to correct this problem?