ABC Wastewater Verified Multiple Choice and Conceptual Actual Frequently Tested Exam
Questions With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
Hydraulics is the study of
A. fluid pressure in pipes or conduits
B. the force of fluids in motion D. fluids in motion and at rest
C. the pressure of fluids in motion
D. fluids in motion and at rest
What is it called if the energy supplied to a pump is equal
to the energy required for the liquid to be moved to a
specific point?
A. static head C. cut-ott head
B. pump head
C. cut-ott head
D. total head
The arrangement of pumps in series is primarily used to
increase the
A. flow,usually by 70-80%
B. discharge head
B. discharge head
C. flow but keep discharge head the same
D. pump eflciency
The arrangement of pumps in parallel is typically used
A. when head is not suflcient and more flow is required
B. to increase discharge head without increasing flow A. when head is not suflcient and more flow is required
C. to increase flow but keep discharge head the same
D. to increase pump eflciency
What type of centrifugal pump should be used when
pumping wastewater with large solids?
A. single-suction with closed impellers
C. single-suction with open or semiopen impellers
B. double-suction with closed impellers
C. single-suction with open or semiopen impellers
D. double-suction with open impellers
,What type of pump would be most likely used for chemical
solutions?
A. centrifugal
B. diaphragm
B. diaphragm
C. peripheral
D. pneumatic ejector
An object doing work by virtue of its motion is called
A. kinetic energy
B. mechanical energy A. kinetic energy
C. potential energy
D. velocity energy
Water behind a dam and above a water treatment plant
has energy by virtue of its elevation. This ditterence in
elevation is called elevation head or
A. kinetic energy C. potential energy
B. velocity head
C. potential energy
D. pressure head
Open impellers are usually used to pump water that con-
tains
A. any chemicals except acids
D. large solids
B. alkaline chemicals only
C. viscous polymers
D. large solids
Which type of centrifugal pump can have water enter from
two sides (double suction)?
A. end suction pump
B. split-case pump
B. split-case pump
C. vertical turbine pump
D. close coupled pump
, Which type of impeller is best to use for pumping water
with low volumes of solids?
A. closed
A. closed
B. open
C. semiopen
D. radial
What type of pump has the ability to rotate its discharge
360°?
A. vertical pumps
C. end suction pump
B. split-case pump
C. end suction pump
D. jet pumps
A split-case pump has three impellers. What type of mul-
tistage pump is this?
A. one stage
B. two stage
B. two stage
C. three stage
D. six stage
14. A split-case pump has two equal smaller impellers
placed on either side of two equalize large impellers. How
many stages does this pump have?
A. one stage B. two stages
B. two stages
C. four stages
D. eight stages
The lowest pressure point in the pump is
A. the center of the impeller
B. the outermost part of the impeller A. the center of the impeller
C. suction side of the pump
D. discharge side of the pump
Questions With Reviewed 100% Correct Detailed Answers
Guaranteed Pass!!Current Update!!
Hydraulics is the study of
A. fluid pressure in pipes or conduits
B. the force of fluids in motion D. fluids in motion and at rest
C. the pressure of fluids in motion
D. fluids in motion and at rest
What is it called if the energy supplied to a pump is equal
to the energy required for the liquid to be moved to a
specific point?
A. static head C. cut-ott head
B. pump head
C. cut-ott head
D. total head
The arrangement of pumps in series is primarily used to
increase the
A. flow,usually by 70-80%
B. discharge head
B. discharge head
C. flow but keep discharge head the same
D. pump eflciency
The arrangement of pumps in parallel is typically used
A. when head is not suflcient and more flow is required
B. to increase discharge head without increasing flow A. when head is not suflcient and more flow is required
C. to increase flow but keep discharge head the same
D. to increase pump eflciency
What type of centrifugal pump should be used when
pumping wastewater with large solids?
A. single-suction with closed impellers
C. single-suction with open or semiopen impellers
B. double-suction with closed impellers
C. single-suction with open or semiopen impellers
D. double-suction with open impellers
,What type of pump would be most likely used for chemical
solutions?
A. centrifugal
B. diaphragm
B. diaphragm
C. peripheral
D. pneumatic ejector
An object doing work by virtue of its motion is called
A. kinetic energy
B. mechanical energy A. kinetic energy
C. potential energy
D. velocity energy
Water behind a dam and above a water treatment plant
has energy by virtue of its elevation. This ditterence in
elevation is called elevation head or
A. kinetic energy C. potential energy
B. velocity head
C. potential energy
D. pressure head
Open impellers are usually used to pump water that con-
tains
A. any chemicals except acids
D. large solids
B. alkaline chemicals only
C. viscous polymers
D. large solids
Which type of centrifugal pump can have water enter from
two sides (double suction)?
A. end suction pump
B. split-case pump
B. split-case pump
C. vertical turbine pump
D. close coupled pump
, Which type of impeller is best to use for pumping water
with low volumes of solids?
A. closed
A. closed
B. open
C. semiopen
D. radial
What type of pump has the ability to rotate its discharge
360°?
A. vertical pumps
C. end suction pump
B. split-case pump
C. end suction pump
D. jet pumps
A split-case pump has three impellers. What type of mul-
tistage pump is this?
A. one stage
B. two stage
B. two stage
C. three stage
D. six stage
14. A split-case pump has two equal smaller impellers
placed on either side of two equalize large impellers. How
many stages does this pump have?
A. one stage B. two stages
B. two stages
C. four stages
D. eight stages
The lowest pressure point in the pump is
A. the center of the impeller
B. the outermost part of the impeller A. the center of the impeller
C. suction side of the pump
D. discharge side of the pump
