Practice Test Flashcards
Determining what type of container are present is MOST likely to occur during which phase of the APIE?
Analyzing the Incident
Which is a responsibility of Operations Level responders, but NOT Awareness Level?
Identify potential hazards involved in an incident
Operations Level responders must be able to —- the hazardous materials that may involved in an incident.
Identify
Which paragraph of the HAZWOPER standard MOST direct influence on how first responders work hazmat incidents?
Paragraph q : Emergency response
Hazardous materials incidents differ from other emergency responses because hazmat responses
May have deadly consequences when performed too quickly
How does a liquid present unique challenges to responders?
Its vapor has the characteristics of a gas
Hazmat incidents involving gases typically:
include products contained under pressure
Materials that repel water are:
Hydrophobic
The ratio of the density of pure gas or vapor to the density of air is called:
Vapor density
What is the lowest Temp at which a liquid can form an ignitable mixture in air near the surface of the liquid and will not support continuous burning?
Flash Point
The Temp at which a solid turns into a liquid is called its:
Melting point
Dry ice is an example of a product that undergoes the process of
Sublimation
A chemical reaction cannot be stopped until the reaction is completed after the material reaches any
Critical point
Which basic type of hydrocarbon will typically burn with sooty smoke that often gives the appearance of a spider web?
Aromatics
What type of hazardous materials can act as both an oxidizer and a corrosive and may have the ability to combust and even explode in the absence of air?
Inorganic peroxides
Which type of radiation is rarely a by product of natural radioactive decay and is primarily produced by machines?
X-rays
The ability of a chemical to cause harm via interference with or destruction of individual cells is referred to as its
Toxicity
Exposure from radioactive material fallout is reduced by about
90 percent at a level belowground
Black powder smokeless powder and solid rocket fuel would be placarded as
Division 1.4
How far do responders typically stage away from a suspected explosive material incident?
1,000 feet (300 meters)
A DOT specification marking located near the top of the cylinder must indicate
The manufacturer and hydrostatic test date
What type of cylinders are often used for refrigerants and typically operate in a cascade system?
Y cylinders
Intermediate bulk containers that are collapsed bags or sacks used to carry both solid materials and fluids are
Flexible intermediate bulk containers
Which cargo tanks can be identified by their elliptical cross section and nearly flat heads
Non pressure cargo tanks