General Knowledge Flashcards
What is normal body temperature?
Both degrees F and degrees C
98.6 F
37 C
The term TLV was adopted by ACGIH in 1956. What term was used prior to TLV?
Maximum Allowable Concentration (MAC)
How do you convert degrees Celsius to Kelvin?
Celsius + 273.15
How do you convert degrees Fahrenheit to Rankin?
Degrees Fahrenheit + 459.69
What is the General Gas Law?
Note: Boyle’s Law, Charles Law, & Gay-Lussac’s Law are contained within!!
(P1)(V1)/(T1) = (P2)(V2)/(T2)
What is the Ideal Gas Law?
PV = nRT
What is the OSHA PEL and STEL for formaldehyde?
Formaldehyde PEL = .75 PPM
Formaldehyde STEL = 2.0 PPM
What is the OSHA PEL for ethylene oxide?
What is the OSHA STEL for ethylene oxide?
Ethylene Oxide PEL = 1.0 PPM
Ethylene Oxide STEL = 5.0 PPM
What organization is responsible for researching and developing Recommended Exposure Limits (REL’s)?
National Institute Occupational Safety and Health (NIOSH)
What is considered Standard Temperature? (in oF and oC)
32 oF & 0 oC
What is considered Normal Temperature? (in oF & oC)
77 oF & 25 oF
What is considered Ambient Temperature? (in oF and oC)
70 oF & 21.1 oC
Define “isokinetic” ?
What is isokinetic sampling?
Isokinetic means same or constant movement.
In regards to sampling, it means material being sampled is moving at same speed as overall stream
This is a suspension of liquid or solid particles in the air?
Aerosol
According to NIOSH, a fiber has this Aspect Ratio (L / W)?
5 : 1
