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The factors that effect a pumps suction pressure include all of the following except:


A) temperature
B) viscosity
C) pressure
D) type of pump
E) line restriction

F) C) and D)
G) A) and D)

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The inlet side of a pump is often referred to by operators as the:


A) discharge side
B) suction side
C) volute eye side
D) process lift side

E) None of the above
F) A) and C)

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Select the pumps whose discharge should never be blocked during operation:


A) lobe
B) centrifugal single stage
C) gear
D) vane
E) axial
F) screw
G) centrifugal multi stage

H) A) and B)
I) C) and G)

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List two drivers commonly used in industry:

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Electric M...

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A jet pump is classified as:


A) axial pump
B) dynamic pump
C) positive displacement pump
D) centrifugal pump

E) C) and D)
F) A) and B)

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The first reciprocating pumps were invented by:


A) Ctesibius and Achilles
B) Archimedes and Papin
C) Appold and Thomas
D) Archimedes and Ctesibius

E) None of the above
F) A) and D)

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The best operating condition for a pump can be found on a(n) :


A) flow chart trend
B) SPC chart
C) efficiency curve
D) partial correlation curve

E) All of the above
F) C) and D)

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List six rotary type pumps:

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lobe, int. gear, ext...

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A safety device used to prevent positive displacement pumps from over pressuring is:


A) safety valve
B) sentinal valve
C) relief valve
D) a & c

E) A) and D)
F) B) and C)

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Positive displacement pumps:


A) displace varying volumes of fluid through rotary or reciprocating
B) displace a specific volume of liquid
C) centrifugally spin liquid
D) axially propel a specific volume of liquid

E) C) and D)
F) A) and B)

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The effect of temperature on viscosity is generally:


A) viscosity increases as temperature decreases
B) viscosity decreases as temperature decreases
C) viscosity increases as temperature increases
D) viscosity is not affected by temperature

E) All of the above
F) A) and D)

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The following device(s) are/is equipped with a spacer:


A) external gear pump
B) internal gear pump
C) lobe
D) screw

E) A) and C)
F) B) and D)

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B

Fluid movement through an external gear pump most closely reflects which statement(s) :


A) trapped between teeth and swept around the outside casing
B) trapped between teeth and swept around and between the gears
C) swept counter-clockwise and clockwise around the outer casing
D) a & c

E) A) and B)
F) None of the above

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Positive displacement pumps come in two basic designs:


A) rotary and reciprocating
B) screw and vane
C) piston and plunger
D) axial and centrifugal

E) A) and B)
F) B) and C)

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List three reciprocating pumps:

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piston, pl...

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Viscosity is defined as:


A) the thickness of a fluid
B) a fluids resistance to flow
C) amount of heat a fluid can absorb
D) fluid density

E) C) and D)
F) All of the above

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The first reciprocating pump was invented:


A) 200 BC
B) 100AD
C) 1600
D) 1851

E) All of the above
F) A) and B)

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The modern replacement for a pump's stuffing box is:


A) they have not been replaced
B) carbon rings
C) mechanical seals
D) spring cartridges

E) A) and B)
F) A) and C)

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C

An external gear pump includes all of the following components except:


A) power gear
B) casing
C) idler gear
D) spacer

E) B) and D)
F) All of the above

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D

NPSH stands for:


A) normal positive suction head
B) national positive suction height
C) net positive standard head
D) net positive suction head

E) B) and D)
F) A) and B)

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