Questions on Pressure Transmitter Calibration Setup

Determine what will happen at the following steps in the sequence (when prompted for a response) in this pressure transmitter calibration setup:

Pressure Transmitter Calibration Setup

The sequence of steps as follows:

Step 1:

Open valves 1 and 2

Step 2:

Close valves 3 and 4

Step 3:

Operate hand pump until manometer registers maximum pressure

Step 4:

Quickly open and close valve 4 – does the manometer indication drop greatly, slightly, or not at all?

Step 5:

Close valve 2

Step 6:

Quickly open and close valve 4 – does the manometer indication drop greatly, slightly, or not at all?

Step 7:

Close valve 1

Step 8:

Quickly open and close valve 3 – does the manometer indication drop greatly, slightly, or not at all?

Answer:

Step 4: Manometer indication drops slightly

Step 6: Manometer indication does not drop at all

Step 8: Manometer indication drops greatly

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