Question 1

A pulsation dampener is designed to:

Accepted Answer

A)  absorb cyclical flow variations 
B)  sends a cancellation pulse into a PD pump 
C)  provides storage for excess flow 
D)  electrical pulse converter 
A)  absorb cyclical flow variations 
B)  sends a cancellation pulse into a PD pump 
C)  provides storage for excess flow 
D)  electrical pulse converter

Question 2

Dynamic pumps come in all the following designs and applications except:

Accepted Answer

A)  vertical or horizontal 
B)  single stage or multi-stage 
C)  rotary 
D)  axial 
A)  vertical or horizontal 
B)  single stage or multi-stage 
C)  rotary 
D)  axial

Question 3

A ________________ consists of two sealing elements; one is stationary, usually carbon, the other rotates with the shaft providing an air tight seal that requires little maintenance.

Accepted Answer

A)  labyrinth seal 
B)  radial bearing 
C)  packing gland and packing 
D)  mechanical seal 
A)  labyrinth seal 
B)  radial bearing 
C)  packing gland and packing 
D)  mechanical seal

Question 4

If the upper gear in an external gear pump is turning counter-clockwise, which way is the lower gear turning?

Accepted Answer

A)  counter-clockwise 
B)  clockwise 
A)  counter-clockwise 
B)  clockwise

Question 5

Acceleration head is defined as:

Accepted Answer

A)  the fluctuations of suction pressure created by the intake stroke of a reciprocating pump. 
B)  the formation and collapse of gas pockets around the impellers during pump operation. 
C)  equivalent head in feet of liquid necessary to push the required fluid into a pump. 
D)  the percentage of fluid that leaks or slips past the internal clearances of a pump over a given time. 
E)  the difference between how much liquid a pump can move versus how much it actually moves. 
A)  the fluctuations of suction pressure created by the intake stroke of a reciprocating pump. 
B)  the formation and collapse of gas pockets around the impellers during pump operation. 
C)  equivalent head in feet of liquid necessary to push the required fluid into a pump. 
D)  the percentage of fluid that leaks or slips past the internal clearances of a pump over a given time. 
E)  the difference between how much liquid a pump can move versus how much it actually moves.

Question 6

The first true centrifugal pump was not invented until:

Accepted Answer

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

Question 7

In a centrifugal pump, liquid is ___________ into the suction eye.

Accepted Answer

A)  sucked 
B)  pushed 
A)  sucked 
B)  pushed

Question 8

The basic components of a centrifugal pump include all of the following except:

Accepted Answer

A)  volute 
B)  impeller 
C)  piston 
D)  suction eye 
A)  volute 
B)  impeller 
C)  piston 
D)  suction eye

Question 9

The two most common classifications for pumps are:

Accepted Answer

A)  centrifugal and positive displacement 
B)  rotary and reciprocating 
C)  positive displacement and dynamic 
D)  axial and centrifugal 
A)  centrifugal and positive displacement 
B)  rotary and reciprocating 
C)  positive displacement and dynamic 
D)  axial and centrifugal

Question 10

The major components of a centrifugal pump and driver include all of the following except:

Accepted Answer

A)  volute 
B)  outer casing 
C)  suction eye 
D)  impellers 
E)  wear rings
F) lobes
G) motor
H) shaft
I) shaft coupling
J) discharge
K) piston
L) internal gear
M) shaft bearings
N) shaft seals 
A)  volute 
B)  outer casing 
C)  suction eye 
D)  impellers 
E)  wear rings
F) lobes
G) motor
H) shaft
I) shaft coupling
J) discharge
K) piston
L) internal gear
M) shaft bearings
N) shaft seals

Question 11

A progressive cavity pump typically has _____ screw(s).

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  b and c 
A)  one 
B)  two 
C)  three 
D)  b and c

Question 12

Cavitation occurs when:

Accepted Answer

A)  suction pressure drops below NPSH 
B)  suction pressure drops below NPDH 
C)  liquid in the pumping chamber boils 
D)  a & c 
A)  suction pressure drops below NPSH 
B)  suction pressure drops below NPDH 
C)  liquid in the pumping chamber boils 
D)  a & c

Question 13

Shaft thrust can be minimized in a multi-stage centrifugal pump by:

Accepted Answer

A)  inserting multiple thrust seals 
B)  opposite alignment of impellers 
C)  use of balance device 
D)  b & c 
A)  inserting multiple thrust seals 
B)  opposite alignment of impellers 
C)  use of balance device 
D)  b & c

Question 14

Internal slip is defined as:

Accepted Answer

A)  fluctuations of suction pressure created by the intake stroke. 
B)  % of fluid that leaks by the internal clearances over a given time. 
C)  difference between how much liquid a pump can move versus how much it actually does. 
D)  b & c 
A)  fluctuations of suction pressure created by the intake stroke. 
B)  % of fluid that leaks by the internal clearances over a given time. 
C)  difference between how much liquid a pump can move versus how much it actually does. 
D)  b & c

Question 15

A pump curve identifies:

Accepted Answer

A)  a pumps unique characteristics 
B)  the best operating condition for a pump 
C)  life time rates for pumps 
D)  PD pump and centrifugal pump comparisons 
A)  a pumps unique characteristics 
B)  the best operating condition for a pump 
C)  life time rates for pumps 
D)  PD pump and centrifugal pump comparisons

Question 16

Positive displacement pumps come in ________ basic designs.

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
A)  one 
B)  two 
C)  three 
D)  four

Question 17

The impeller design on a centrifugal pump come in all the following designs except:

Accepted Answer

A)  inlet vane tip 
B)  open 
C)  closed 
D)  semi-open 
A)  inlet vane tip 
B)  open 
C)  closed 
D)  semi-open

Question 18

The advantages of a centrifugal pump include all of the following except:

Accepted Answer

A)  cheaper 
B)  deliver a more constant rate 
C)  easier to install 
D)  work well with liquid & gas phase 
A)  cheaper 
B)  deliver a more constant rate 
C)  easier to install 
D)  work well with liquid & gas phase

Question 19

Which side of the impeller in a centrifugal pump exerts the most force on the shaft:

Accepted Answer

A)  suction 
B)  discharge 
C)  balanced force on each side 
A)  suction 
B)  discharge 
C)  balanced force on each side

Question 20

Multistage centrifugal pumps include two or more:

Accepted Answer

A)  discharge chambers 
B)  power gears 
C)  impellers 
D)  suction chambers 
A)  discharge chambers 
B)  power gears 
C)  impellers 
D)  suction chambers

A pulsation dampener is designed to:

Dynamic pumps come in all the following designs and applications except:

A ________________ consists of two sealing elements; one is stationary, usually carbon, the other rotates with the shaft providing an air tight seal that requires little maintenance.

If the upper gear in an external gear pump is turning counter-clockwise, which way is the lower gear turning?

Acceleration head is defined as:

The first true centrifugal pump was not invented until:

In a centrifugal pump, liquid is ___________ into the suction eye.

The basic components of a centrifugal pump include all of the following except:

The two most common classifications for pumps are:

The major components of a centrifugal pump and driver include all of the following except:

A progressive cavity pump typically has _____ screw(s).

Cavitation occurs when:

Shaft thrust can be minimized in a multi-stage centrifugal pump by:

Internal slip is defined as:

A pump curve identifies:

Positive displacement pumps come in ________ basic designs.

The impeller design on a centrifugal pump come in all the following designs except:

The advantages of a centrifugal pump include all of the following except:

Which side of the impeller in a centrifugal pump exerts the most force on the shaft:

Multistage centrifugal pumps include two or more:

Introduction to Process Equipment

Valves

Piping and Vessels

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

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Exam 4: Pumps

A pulsation dampener is designed to:

Dynamic pumps come in all the following designs and applications except:

A ________________ consists of two sealing elements; one is stationary, usually carbon, the other rotates with the shaft providing an air tight seal that requires little maintenance.

If the upper gear in an external gear pump is turning counter-clockwise, which way is the lower gear turning?

Acceleration head is defined as:

The first true centrifugal pump was not invented until:

In a centrifugal pump, liquid is ___________ into the suction eye.

The basic components of a centrifugal pump include all of the following except:

The two most common classifications for pumps are:

The major components of a centrifugal pump and driver include all of the following except:

A progressive cavity pump typically has _____ screw(s).

Cavitation occurs when:

Shaft thrust can be minimized in a multi-stage centrifugal pump by:

Internal slip is defined as:

A pump curve identifies:

Positive displacement pumps come in ________ basic designs.

The impeller design on a centrifugal pump come in all the following designs except:

The advantages of a centrifugal pump include all of the following except:

Which side of the impeller in a centrifugal pump exerts the most force on the shaft:

Multistage centrifugal pumps include two or more:

Introduction to Process Equipment

Valves

Piping and Vessels

Compressors

Turbines and Motors

Heat Exchangers

Cooling Towers

Steam Generation- Boilers

Fired Heaters Furnaces

Instruments

Process Diagrams

Utility Systems

Reaction Systems

Distillation Systems

Extraction and Other Separation Systems

Plastics Systems

Filters