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WorksheetsHSCT 2021 (3)
Total questions: 34
Worksheet time: 17mins
In-Place Protection (IPP) is not suitable under which of the following conditions?
Insufficient time to evacuate
Leak can be sealed quickly
Presence of explosive gas
The chemical release is short-term
For bacteria and viruses that can cause severe to fatal diseases in humans, and for which no vaccines or other treatments are available, experiments must be conducted in which category of laboratory?
BSL-3
BSL-2
BSL-1
BSL-4
The Threshold Limit Value – Short Term Exposure Limit (TLV-STEL) is the maximum concentration over a 15-min period to which any healthy person can be exposed to safely. Exposure should not exceed ___ times a day, with a minimum of ___ minutes between exposures.
4; 60
6; 20
2; 120
8; 10
Which of the following detectors should be used when responding to an RTA incident involving a vehicle with the “CNG” symbol?
Ultra Radiac
Polytector
LCD 3.3
Saphydose
Which of the following is a responsibility of HIT in a “white powder” incident?
Conduct sampling
Take over from SPF as Incident Manager
Conduct initial AOS
Conduct onsite screening test
Which of the following is not an essential task for the first 3 arriving PLs in a HazMat incident?
Monitoring
Mitigation
Rescue and evacuation
Decontamination
Casualties reporting to following symptoms are likely to be exposed to what time of chemical agent?:
Increased breathing rate, headaches, nausea, excessing salivation, involuntary urination.
Riot control agent
Nerve agent
Cooking agent
Blood agent
Premises that store more than _____ MT of flammable materials are required to have an in-house Company Emergency Response Team (CERT).
5
10
15
20
Elements along the same column of a period table has the same _____.
Number of outermost electrons
Number of electron shells
Atomic number
Atomic weight
Which of the following is a form of route of entry that involves direct contact on the skin?
Dermal absorption
Inhalation
Ingestion
Injection
Which of the following can occur in a fire situation involving compressed gas?
Cylinder rupture
Release of content
All of the above
Bleve
In a Radiological incident, which of the following actions must be taken to reduce the exposure level on responders?
Limit operating time near the suspected source
Change BA sets regularly
Stay close to the hot zone
None of the above
Pulmonary Edema can be caused by which type of Chemical Agent?
Choking agent
Blood agent
Nerve agent
Blister agent
The PAPD should not be used under which of the following condition?
The substance involved has not been identified
There are casualties to be rescued
The oxygen concentration in the air is 19%
Prolonged operations is expected
The temperature at which an organic peroxide will undergo irreversible decomposition is known as:
Self-Induced Decomposition Temperature
Self-Accelerating Decomposition Temperature
Auto-Ignition Temperature
Flash Point
The Threshold Limit Value- Time Weighted Average (TLV-TWA) is defined as the maximum airborne concentration of a substance which an average healthy person can be exposed for up to ___ hours a day, ___ hours a week without suffering adverse health effects.
8; 40
4; 80
8; 80
4; 40
To which UN hazard class does LPG belong to?
Class 1
Class 2
Class 3
Class 4
What is the detection technology used in the AP4C?
Ion Mobility spectrometry
Gas chromatography
Flame spectrophotometry
Mass spectrometry
Which of the following types of radiation only consists of particulate radiation?
Alpha and Beta
Gamma and X-Ray
Alpha. Gamma and X-ray
Alpha and Gamma
Which of the following does not comprise of micro-organisms?
Bacteria
Fungus
Toxins
Planktons
If a chemical reaction absorbs energy from the surroundings, it is a __________ reaction.
Exothermic
Endothermic
Combustion
Oxidation
What type of bonds are formed when electrons are transferred from the atom of one element to another atom?
Ionic
Covalent
Polar
Hydrogen
When a liquefied gas is discharged rapidly, it can _________.
Release heat to the surroundings
Remain as a liquid outside the cylinder
Form a front line on the cylinder exterior
Plug the cylinder valve
Which of the following has the highest penetration power?
Alpha
Gamma
Beta
Infrared
Which of the following values denote the start of the Warm Zone in a radiation incident?
100mSv/hr
10mSv/hr
1.0mSv/hr
0.1mSv/hr
Which route of entry involved direct insertion into the bloodstream?
Inhalation
Injection
Ingestion
Dermal absorption
Based on the initial isolation distances for a chemical agent incident, how large in the hot zone boundary from the source in an indoor location.
50 metres
20 metres
100 metres
200 metres
Lethal Concentration refers to the concentration of toxic substances entering the body through __________.
Inhalation
Injection
Ingestion
Dermal absorption
Which of the following information is not displayed on the EIP?
Emergency contact numbers
UN identification number of the hazardous material is
Quantity of the hazardous material being transported
Name of the hazardous material
Which of the following has the lowest penetration power?
Beta
Alpha
Gamma
Infrared
Which of the following substances is inert?
Calcium
Silicone
Iodine
Helium
Acids and bases react during neutralization to give:
Water and salt
Saline and salt
Water and hydrogen
Water and carbon dioxide
Which of the following is not a physical method of decontamination?
Absorption
Neutralization
Brushing
Dilution
Which of these is not a likely symptom of exposure to Sarin?
Watery blisters forming on the skin
Small, pinpoint pupils in the eyes
Excessive muscle twitching
Nausea and vomiting
