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Flashcards in Level Test 114 Deck (15):
1

What engineering unita are used for level measurement?

Feet and percent

2

If a vessel is isolated level may change due to what?

Thermal expansion and atmospheric pressure

3

What is the specific gravity of water?

1

4

A _____ does not need a wet leg

Bubbler

5

What two legs make up a dry leg transmitter?

One that measures tank pressure and another exposed to the atmosphere

6

What two legs make up a wet leg transmitter?

A leg filled with a liquid and one leg that measures tank pressure

7

When measuring from a tape gauge where is 100%?

At the top

8

What would happen if a sight glass without blocking valves breaks?

Liquid would spill up to the level of the glass

9

What type of level measurement does a sight glass provide?

Continuous type

10

What is continuous level measurement used for?

To detect a change in level

11

What is point level used for?

Low level alarm

12

Can head pressure be negative?

No. dumb ass

13

When using pressure to measure level in a vessel what needs to be known?

The specific gravity of the liquid

14

Measuring a fluid starting at the bottom and extending up to the surface is a measure of what?

Volume

15

Measuring a fluid starting at the surface and extending down is a measurement of what?

Level.