What is the horsepower rating for reflux

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a pump operates at 100 hp input and 75 hp output what will be the efficiency

End to end movement of the pump shaft caused by misalignment is called ?

common uses of centrifugal pumps in a Refinery are ------------

Pump and driver misalignment can damage --------

Which of the following is a characteristic of a centrifugal pump ?

The----------of a pump is the amount of liquid it can move in a given time

A centrifugal pump uses --------force to move liquids

What is the most common type of pump in a Refinery?

Which pumps have the highest capacity ?

Before starting a pump after service and repairs, you must...

Before starting a pump after service and repairs, you must...

After completing all pre-start checks on pump, what must you do before starting a pump ?

What must you do before starting any pump ?

After starting a pump, you must....

After starting a pump, you must....

Where are reciprocating pumps often used in a Refinery ?

Positive displacement provide a ——————flow rate

operating the pumps outside their ratings may -----the pumps or cause a safety hazard.

Which of the following conditions maybe the cause of unusual noise from a pump ?

Identify the pump fault condition that could activate a High Bearing Temperature Alarm?

Which of the following conditions maybe the cause of fluctuating discharge pressure ?

Pump capacity is commonly shown in units of ----- or -----------------

Identify the pump fault conditions that could activate a Mechanical Seal Failure?

After completing the pump shutdown procedure you must-----

The efficiency of a pump can be calculated by dividing the.....

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write the procedure for the pump lubrication?

A plugged suction screen on the pump inlet will cause which of the following conditions ?

A blocked lube oil filter or tripped lube oil pump may be the cause of a ----------------

Which of the following conditions causes cavitation ?

Where are rotary gear pumps often used in a Refinery ?

what are the main operational consideration for a pump

Identify which 3 parts of a centrifugal pump are normally cooled by circulating water?

During pre-start checks on a pump, after opening the suction block valve you must....

the cooling water circulates in the water jacket surrounding the -------------------

—————-pumps are normally used in the refinery for chemical injection, filling lubricating oil reservoirs, and driving lube oil systems.

Positive displacement pump operate at high ————— and low —————

the type of pump for a particular job depends on the ---------------

what is the symptom of misalignment?

Which of the following are types of positive displacement pumps ?

if bearing overheats it may expand and freeze to the -------------

When pre-start checks have been completed and you receive an order to start a motor driven pump, you must...

What must be done before shutting down a pump ?

Horsepower is a unit used to measure what ?

Positive displacement pump are used to pump ———————-

Identify the pump fault condition that could activate a High Lube Oil Temperature Alarm?

what is the main reason for increase of temperature of pump?

To prevent damage caused by unequal expansion of parts, a pump that handles hot liquid must be -------before it is started