The pumps employed on board ship can be divided into two main categories ie() pumps and centrifugal pumps.
Most pump manufacturers recommended that the discharge piping for centrifugal pumps be ().
The purpose of the wearing rings used in a centrifugal pump is to ().
The usual symptoms of cavitation in a centrifugal pump is ().
Which of the following pumps belongs to centrifugal pump?()
A multistage centrifugal pump can be BEST described as having ().
What is a function of the wearing rings used in most centrifugal pumps?()
Which features of a centrifugal pump reduce the need for renewing worn impellers and pump casings?()
The function of a centrifugal pump double volute casing is to ().
Attempts are made to eliminate axial thrust in centrifugal pump by ().
When installed for bilge pumping or ballast duty, centrifugal pumps require a () to remove air from the suction pipe.
The basic function of the centrifugal pump impeller is to ().
What is a characteristic of all centrifugal cargo pumps? ()
Most pump manufacturers recommend that the suction piping dimension for centrifugal pumps be ().
When starting a centrifugal pump, the discharge valve should be ().
A centrifugal pump can’t supply water after startingYou should check ().
Which of the listed statements is correct concerning the starting of centrifugal pumps?()
On modern ships, centrifugal pump with a self-primer has replaced reciprocating pump as bilge pump because()
A centrifugal bilge pump requires priming ().
Which of the following statements is true concerning centrifugal pumps?()
To operate a centrifugal fire pump at reduced capacity, you should ().
Which of the following statements is true concerning centrifugal pumps?
Dynamic pumps are classified as centrifugal or axial. axial pumps operate on the principle of centrifugal force.()