There is a 20' tank that has one pump to fill the tank. There are two pumps that will be involved in emptying the tank. There is a low level alarm float switch at 3', a stop float switch at 5', a float switch at 12' and 15', and a high level alarm float switch at 17'. Whenever we download the program and go online, the tank is always going to start out as being empty. When the tank is below 3', the low level alarm is on and the fill pump comes on to fill up the tank. When the water level reaches 12', the first drain pump comes on to start draining the water. When the water level reaches 15', the second drain pump comes on and assists in draining the water. If for some reason the water level reaches 17', the high level alarm will come on and de-energize the fill pump but the drain pumps will remain active in order to drain the water. Both drain pumps stay on until the water level goes below the stop float at 5', and the fill pump will turn back on once the drain pumps have went off. If the stop float switch does not stop the two drain pumps, then the low level float switch will turn on the alarm and stop both pumps.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Pump #3
Tank System
High level Alarm 17 ft.
Start Pump #2 15 ft.
Start Pump #1 12ft.
Stop Pumps 5 ft.
Low level Alarm 3ft.
Pump #1
Pump #2
Transcribed Image Text:Pump #3 Tank System High level Alarm 17 ft. Start Pump #2 15 ft. Start Pump #1 12ft. Stop Pumps 5 ft. Low level Alarm 3ft. Pump #1 Pump #2
Tank
There is a 20' tank that has one pump to fill the tank. There are two
pumps that will be involved in emptying the tank. There is a low level alarm
float switch at 3', a stop float switch at 5', a float switch at 12' and 15', and
a high level alarm float switch at 17'. Whenever we download the program
and go online, the tank is always going to start out as being empty. When
the tank is below 3', the low level alarm is on and the fill pump comes on to
the tank. When the water level reaches 12', the first drain pump
fill
up
comes on to start draining the water. When the water level reaches 15', the
second drain pump comes on and assists in draining the water. If for some
reason the water level reaches 17', the high level alarm will come on and
de-energize the fill pump but the drain pumps will remain active in order to
drain the water. Both drain pumps stay on until the water level goes below
the stop float at 5', and the fill pump will turn back on once the drain
have went off. If the stop float switch does not stop the two drain
pumps, then the low level float switch will turn on the alarm and stop both
pumps
pumps.
Transcribed Image Text:Tank There is a 20' tank that has one pump to fill the tank. There are two pumps that will be involved in emptying the tank. There is a low level alarm float switch at 3', a stop float switch at 5', a float switch at 12' and 15', and a high level alarm float switch at 17'. Whenever we download the program and go online, the tank is always going to start out as being empty. When the tank is below 3', the low level alarm is on and the fill pump comes on to the tank. When the water level reaches 12', the first drain pump fill up comes on to start draining the water. When the water level reaches 15', the second drain pump comes on and assists in draining the water. If for some reason the water level reaches 17', the high level alarm will come on and de-energize the fill pump but the drain pumps will remain active in order to drain the water. Both drain pumps stay on until the water level goes below the stop float at 5', and the fill pump will turn back on once the drain have went off. If the stop float switch does not stop the two drain pumps, then the low level float switch will turn on the alarm and stop both pumps pumps.
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