The purpose of the wearing rings used in a centrifugal pump is to ().
A centrifuge will satisfactorily remove which of the following contaminants from fuel oil?()
The discharge rate or capacity of a centrifugal pump will vary directly as the ().
The usual symptoms of cavitation in a centrifugal pump is ().
Pitting in the suction areas of a centrifugal pump bronze impeller is usually caused by ().
A double suction centrifugal pump impeller has been installed in the reverse direction, and will ().
What is a function of the wearing rings used in most centrifugal pumps?()
If the capacity of a centrifugal pump decreases gradually over a long period of time, you should replace the ().
On a multistage flash-type evaporator, the flash chamber is ()
The function of a centrifugal pump double volute casing is to ().
On board supply vessels, a centrifuge is normally used to purify()
What is a characteristic of all centrifugal cargo pumps? ()
A centrifugal impeller consists of a number of vanes curving () from the direction of rotation.
One characteristic of a lubricating oil adversely affecting the result of centrifuging is ()
When starting a centrifugal pump, the discharge valve should be ().
The volute of centrifugal pump also acts as a diffuser converting ()into pressure head.
A centrifugal pump can’t supply water after startingYou should check ().
A centrifugal bilge pump requires priming ().
The amount of fluid delivered by a centrifugal pump can be regulated by ().
A centrifugal compressor’s purge recovery unit()
High-speed rotating in a centrifugal purifier can produce a force () larger than the force of gravity.
To operate a centrifugal fire pump at reduced capacity, you should ().
High-speed rotation in a centrifugal purifier can produce a force () the force of gravity.
If you were operating a centrifugal water service pump with worn wearing rings, the ().