EXHAUST MONITORING
Name 3 common gases emitted from diesel exhaust
CO NO NO2 CO2 HxCy SOx NOx
What does BTEX stand for?
Benzene Toulene Ethyl Benzene Xylene
LEL O2 H2S CO
What does PAH stand for?
Polycyclic Aromatic Hydrocarbons
Name the 3 components required for fire
Fuel O2 ignition source
What does DPM stand for?
Diesel Particulate Matter
What Percentage of Air is made up of Nitrogen?
78%
What is the purpose of a bump test?
Verify accuracy of the instrument prior use
What does NIOSH stand for?
National Institute for Occupational Safety and Health
Name the four fundamental states
Gas Solid Liquid Plasma
Is a tier 1 engine known for producing less or more harmful emissions that a tier 4 engine?
More
Name 3 naturally occuring Noble Gases
Argon Krypton Helium Neon Xenon Radon
What is the most common sensor technology used in portable gas monitors for toxic gases?
Electrochemical
What is a SIL rating?
Safety Integrity Level - functional safety specification applied to Safety Instrumented Systems mainly within a process industry
What gas makes up the largest portion of a human fart?
Nitrogen at 59%
Hydrogen 9%
CO2 7%
Methane 0-10%
Only 1% contains H2S, Mercaptans and Sulphur
When sampling raw toxic exhaust is it better to place the probe tip all the way inside the exhaust or just outside the tip of the exhaust?
All the way inside
What is the heaviest known gas?
Does an Infra-Red Hydrocarbon sensor require oxygen to operate accurately?
No
What eV stand for when referencing PID lamps?
Electron Volt
How many gases are on the periodic table?
11
What does CEMS stand for?
Continuous Emissions Monitoring System
What gas fills the majority of Sun?
Hydrogen
Where does a "Wheatstone Bridge" belong?
In a new tap beer
On a country road
In a catalytic sensor
In a catalytic sensor
What does UEL stand for?
Upper Explosive Limit
What is responsible for the production of the Earths majority of Oxygen?
Ocean plants called phytoplankton. They live near the water's surface and drift with the currents.