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Chemistry Question

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User Generated
Subject
Chemistry
Type
Homework
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Assignment #1
1. In the following P&ID, identify the type of controllers and their location and list
them in the provided table. Also, explain how and which process variable(s) is/are
controlled
a)
Instrument Tag #
Description
Location in the plant
TRC
The temperature Recorder controller operates by
monitoring the amount of temperature present in the
fluid flowing in the plant from the temperature
controller valve. The primary variable for the
temperature Recorder controller is the fluid
temperature.
Located next to temperature
controller valve and temperature
safety/switch low.
FY
Flow Controller Valve- It controls the volumetric
rate of the fluid flowing through the plant piping
system. Its main variables are velocity and flow.
It is located between the Flow
transmitter and the Flow Recorder.

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Assignment #1
b)
Instrument Tag #
Description
Location in the plant
FC
Flow Controller It automatically controls the flow
rate of fluid under the set flow rate maintained as an
electric signal without being affected by the changes
in the fluid pressure. It holds different variables,
including flow, temperature, pressure, and level, by
adjusting the orifice size to offset changes in fluid
viscosity.
It is located next to the level
Indicator and between Transmitter
and the Flow Controller Valve.
Another FC (Flow) controller is
also located at the Flow Controller
valve.

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Assignment #1 1. In the following P&ID, identify the type of controllers and their location and list them in the provided table. Also, explain how and which process variable(s) is/are controlled a) Instrument Tag # TRC Description Location in the plant The temperature Recorder controller operates by Located next to temperature monitoring the amount of temperature present in the controller valve and temperature fluid flowing in the plant from the temperature safety/switch low. controller valve. The primary variable for the temperature Recorder controller is the fluid temperature. FY Flow Controller Valve- It controls the volumetric It is located between the Flow rate of the fluid flowing through the plant piping transmitter and the Flow Recorder. system. Its main variables are velocity and flow. Assignment #1 b) Instrument Tag # FC Description Location in the plant Flow Controller – It automatically controls the flow It is located next to the level rate of fluid under the set flow rate maintained as an Indicator and between Transmitter electric signal without being affected by the changes and the Flow Controller Valve. in the fluid pressure. It holds d ...
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