DAY2- PROCESS VARIABLES

Question 1

Density of air at STP

Answer 1

1.2929 g/L

Question 2

A type of monitory device where a buoyant member is attached to a resistor or magnet that sends signal to the gauge

Answer 2

Float Actuated device

Question 3

This monitoring device uses the concept of thermal expansion of liquids

Answer 3

Thermometer

Question 4

EMF is produced if two wire ends are in different temperatures. The EMF is detected as signal then read digitally. What device is this?

Answer 4

Thermocouple

Question 5

A non-contact instrument that uses the concept of electromagnetic radiation to measure temperature

Answer 5

Pyrometer

Question 6

Pressure exerted by fluid at rest.

Answer 6

Static Pressure

Question 7

Exerted by the fluid in motion.

Answer 7

Dynamic Pressure

Question 8

This device measures fluid column height and converts it to pressure

Answer 8

Manometer

Question 9

Consists of a vertical tube with a tapered bore in which a float changes postion with the flowrate through the tube

Answer 9

Rotameter

Question 10

Examples of Chromatographic analyzers

Answer 10

Gas chromatography, high performance liquid Chromatography(HPLC)

Question 11

Measures temperature through electrical resistance of a conductor

Answer 11

resistance thermometer