Module 4.3

___ is the process used to clean a level-gauge glass or level column.

• Isolating

• Proving

• Flushing

• Blocking

___ is the process of making sure level-gauge glasses and level columns are working properly.

• Proving

• Flashing

• Cleaning

• Sampling

A level-gauge is glass is sometimes called a ___

• Drain

• Meter

• Prover

• Sight glass

A level column is sometimes called a ___

• Plug

• Instrument column

• Vessel

• Radar gauge

A___ provides a steady supply of liquid for instruments that are used to measure the liquid level in a vessel.

• Level column

• Pressure indicator

• Container

• Metal frame

A___ is used to monitor the liquid level in a vessel.

• Pressure gauge

• Bolt

• Level-gauge glass

• Vent

What is the pressure in a level column if the pressure in the vessel is 20 psig ?

• Higher than 20 psig

• 20 psig

• Lower than 20 psig

• 120 psig

___connects a level column to a vessel.

• An inlet line

• A sewer system

• A level-gauge glass

• A bolt

What letters identify a level-gauge glass on a P&ID ?

• LC

• LS

• LG

• LGG

What is used to isolate a level column from a vessel ?

• Plug

• Drain

• Block valves

• Level transmitter