PLC or DCS Control System Spares
PLC or DCS Control system spares are consumable & commissioning spares, installed, 2 years operational and mandatory spares.
Flange Types and Definitions
The most used flange types according to ASME B16.5 are Welding Neck, Slip-On, Socket Weld, Lap Joint, Threaded and Blind flange.
Determine Level of Liquid in the Vessel and its Specific Gravity
From these pressure measurements, determine the level of liquid in the vessel and its specific gravity using three transmitters.
Question on Remote Seal with Capillary Tubing Transmitter
The DP transmitter is located 5 feet above the bottom of the vessel and has a remote seal with capillary tubing with fill fluid.
LRV and URV of PT for Extreme Limits of Empty and Full
Measure water level in the vessel using PT, where the LRV and URV points are both between the extreme limits of empty and full.
Questions on Dip Tube Type Level System
A liquid storage vessel holding a very corrosive liquid has its level measured by a dip tube type level system.
Tank uses 3 Pressure Transmitters to Measure Level & Density
A tank expert system uses three pressure transmitters to measure level and density of a liquid in a large storage vessel.
DP transmitter Elevated 10 Feet above the Vessel
Determine the LRV and URV for measuring water level in a vessel with the DP transmitter elevated 10 feet above the vessel.
DP Transmitter Located 10 feet Beneath the Vessel
Determine the LRV and URV of a DP transmitter located 10 feet beneath the vessel and connected to it with capillary tubing.
Investigate High Level Alarm of Distillation Process
Suppose the operator of this distillation process calls you to investigate a high-level alarm he is receiving on LAH-58.
