Hydrogen cyanide Study guides, Revision notes & Summaries

IFSTA 7 Exam Question Bank, With Complete Solutions, A+ Guide-Which product of combustion acts as a chemical asphyxiant by excluding oxygen from the blood, leading to hypoxia of the brain and tissues? A) Carbon dioxide (CO2) B) Carbon monoxide (CO) C) Aerosolized fuel particles D) Hydrogen cyanide (HCN) - B Combustion can occur within a range of concentration of fuel vapor and air; this range is referred to as the: A) vapor pressure range. B) surface to mass range. C) flammable (explos...

Firefighter 2 exam questions and answers already graded A Which piece of salvage equipment is designed to carry debris and provide a water basin for immersing small burning objects? Carryall Overhaul operations include: Searching for hidden fires During overhaul, prying tools can be used to: Remove baseboards and window frames before removing SCBA during overhaul, firefighters must: monitor the atmosphere for the presence of carbon monoxide and hydrogen cyanide. Which tools are used to open...

Fire Academy Week 2 Tests Which of the following best describes how understanding the physical science of fire can help firefighters? A. It keeps radiant heat from igniting fuel B. It keeps flaming combustion from beginning C. It translates into practical knowledge of fire behavior D. It helps in stopping rapid fire behavior from developing - C When a substance changes from one type of matter to another it has had a: A. Chemical shift B. Physical change C. Chemical reaction D. Phy...

An industry operating an 8-hour shift, 5 days per week, generates 100,000 gallons of wastewater per shift. Their pretreatment system has a capacity of 150 gallons per minute. How long must the pretreatment facility operate to process the wastewater generated each day? - Answer 11.1 hours An industry has five sewer connections with the following discharge rates: 1) 300 gpd, 2) 75 gpd, 3) 725 gpd, 4) 1,200 gpd, 5) 200 gpd A flow-weighted composite sample of 5 liters is desired. How many millili...

AAMC MCAT PRACTICE 2023 EXAM 1| QUESTIONS & ANSWERS| ALREADY PASSED| VERIFIED & UPDATED In the chromatography of the reaction mixture, water absorbed on cellulose functioned as the stationary phase. What was the principal factor determining the migration of individual components in the sample? A) Hydrogen bonding B) Solute concentration C) Stationary phase concentration D) Thickness of paper - ANSWER A) Hydrogen bonding The answer to this question is A because the relative amount of hy...

BSC2085-Exam 1 Questions and Answers | 100% Correct A skin layer consisting of predominantly dense irregular connective tissue is A) corpuscular B) dermis C) epidermis D) stratal E) hypodermis -Answer-B) dermis Which of the following planes creates right and left sides to the body? A) transtrabecular B) parasagittal C) sagittal D) horizontal E) frontal (coronal) -Answer-C) sagittal The Golgi complex A) produces the mitotic spindle during cellular division B) is now known to be an ...

Fire Fighter 1 ExamNFPA - correct answer National Fire Protection Association NFPA 1582 - correct answer Medical NFPA 1001 - correct answer Individual departments to choose fitness testing chain of command - correct answer Chief, assistant chief, battalion chief, captain, lieutenant, firefighter Division of labor - correct answer a way of organizing an incident by breaking down the overall strategy into a series of smaller tasks Unity of command - correct answer the concept that e...

IFSTA Chapter 4 - Fire Dynamics Test What is the cause of most fire deaths? Select one: a. Exposure to extreme heat and/or contact with flames and hot surfaces b. Injuries caused by falling materials or structural collapse c. Exposure to toxic gases found in smoke and/or lack of oxygen d. Accidental injuries sustained during escape and/or evacuation procedures - correct answer c. Exposure to toxic gases found in smoke and/or lack of oxygen In most compartment fires, the energy release i...

Preliminary Treatment - the 1st stage of sewage treatment where large debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed enough to allow for sedimentation. What stage of treatment is grit removal usually accomplished in? - preliminary treatment Rotating Biological Contactor - a type of biological secondary treatment process How are protozoa (cause of amoebic dysentery) destroyed? - disinfection Other than stream d...

IFSTA Chapter 4 - Fire Dynamics Test With Correct Answers 2024. What is the cause of most fire deaths? Select one: a. Exposure to extreme heat and/or contact with flames and hot surfaces b. Injuries caused by falling materials or structural collapse c. Exposure to toxic gases found in smoke and/or lack of oxygen d. Accidental injuries sustained during escape and/or evacuation procedures - correct answer c. Exposure to toxic gases found in smoke and/or lack of oxygen In most compartment ...