Ch. 8 - 10 Flashcards
(183 cards)
On page 263, the physical destruction or decomposition of a clothing material due to exposure to chemicals, use, or ambient conditions is called what?
A. Penetration
B. Permeation
C. Degradation
D. None of the above
Degradation
On page 263, _____ is the flow or movement of a hazardous chemical through closures, seams, porous materials and pinholes.
A. Penetration
B. Permeation
C. Degradation
D. None of the above
Penetration
On page 263, the process by which a hazardous chemical moves through a given material on the molecular level.
A. Penetration
B. Permeation
C. Degradation
D. None of the above
Permeation
On page 263, permeation testing are normally based upon laboratory tests conducted with pure, undiluted test chemicals on clean, uncontaminated swatches of materials over a pre-established time period (often ___ to ___ hours). Virtually all testing is done at room temperature (____ degrees Fahrenheit).
2 - 6 hours; 70 degrees Fahrenheit
On page 264, the permeation theory 3 step process in order is:
Desorption
Diffusion
Adsorption
- Adsorption
- Diffusion
- Desorption
On page 264, _____ is defined as the time from the initial chemical attack on the outside of the material until its desorption and detection inside.
Breakthrough time
On page 264, ___ is the rate at which the chemical passes through the CPC material and is generally expressed as micrograms per square centimeter per minute.
Permeation rate
On page 264, 0.9 micrograms per square centimeter per minute is equal to approximately ____.
1 drop/hour
On page 264, permeation testing is over an established time period of ____ to __ hours and is virtually done at ambient room temperatures.
2 - 8 hours
On page 265, parameters that should be considered when evaluating and choosing CPC materials and barrier fabrics include the following:
- Chemical resistance
- Flammability
- Strength and Durability
- Overall Integrity
- Flexibility
- Temperature Characteristics
- Shelf-life
- Decontamination and Disposal
On page 266, _____ are protective clothing materials that are used and then discarded.
A. Chemical protective clothing
B. Limited-use materials
C. Reusable garments
D. All of the above
Limited Use materials
On page 267, NFPA 1991 applies to:
A. Liquid Splash protection
B. Vapor protection
C. Terrorism
D. None of the above
Vapor Protection
On page 267, NFPA 1992 applies to:
A. Liquid Splash protection
B. Vapor protection
C. Terrorism
D. None of the above
Liquid Splash Protection
On page 267, NFPA 1994 applies to:
A. Liquid Splash protection
B. Vapor protection
C. Terrorism
D. None of the above
Terrorism
On page 268, Class ___ ensembles provided limited protection to emergency first responder at Terroism incidents involving vapor or liquid chemical hazards where the concentrations are at or above IDLH concentrations.
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Class 2
On page 268, Class ___ ensembles provided limited protection to emergency first responder at Terroism incidents involving low levels of vapor or liquid chemical hazards where the concentrations are below IDLH concentrations, permitting the use of APRs and PAPRs.
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Class 3
On page 268, Class ___ ensembles provided limited protection to emergency first responder at Terroism incidents involving biological hazards or radiological particulate hazards where the concentrations are below IDLH concentrations, permitting the use of APRs and PAPRs.
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Class 4
On page 268, Class ___ ensembles were removed from NFPA 1994 and offer the highest level of protection and are intended for use in worst-case circumstances.
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Class 1
On page 272, individuals must meet the fit testing and medical requirements as outline by OSHA ________ - respiratory protection.
29 CFR 1910.134
On page 273, NIOSH certifications limits the maximum hose lengths of Supplied Air Respirators (SARs) from the source to ___ feet.
A. 100
B. 200
C. 300
D. 400
300 ft
On page 277, _____ involves the use of surgical gloves under a work glove. It permits doffing of the work glove without compromising exposure protection.
A. Over gloving
B. Double gloving
C. Single gloving
D. Under gloving
Double gloving
On page 277, ______ is the wearing of a second glove over the work glove for additional chemical and abrasion protection during lifting and moving operations.
A. Over gloving
B. Double gloving
C. Single gloving
D. Under gloving
Over gloving
On page 277, in general, size ____ are commonly used for single or double gloves, while sizes ____ and ___ are typically used as over gloves for additional strength and chemical protection.
9 ; 11 - 12
On page 279, all chemical vapor suits are sealed by a closure assembly. The ____ is the most common.
Pressure sealing zipper