IFSTA 7 Question Bank Exam Questions And Answers 100% Solved

IFSTA 7 Question Bank Exam Questions And Answers 100% Solved 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) - answerB 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 (explosive) range. D) oxidation (combustion) range. - answerC Which statement describes the factor that MOST influences compartment fire development? A) Whether the fire is fuel-limited or ventilation-limited B) Whether the fuel is cellulose-based or petroleum-based C) Ratio of square footage to ceiling height of the compartment D) Ambient temperature and wind speed outside the compartment - answerA An extinguishing agent, such as dry chemical or Halon-replacement agent, terminates the combustion reaction by: A) cutting off the oxygen supply to the fuel. B) interfering with the chemical chain reaction. C) cooling the fuel below the ignition temperature. D) reacting with the fuel to create a fire-resistant layer. - answerB Materials that burn at normal oxygen levels will burn more intensely in _____ atmospheres. A) flaming B) nonflaming C) oxygen-enriched D) oxygen-deficient - answerC Which situation would likely be granted an exception to the rule that prohibits filling an unshielded air cylinder while a firefighter is wearing the SCBA? A) The SCBA was manufactured within the past five to ten years. B) A rapid intervention crew (RIC) is rescuing a trapped or incapacitated firefighter. C) The firefighter filling the empty cylinder is wearing full structural personal protective equipment. D) A firefighter with a higher rank than the firefighter wearing the SCBA cylinder is available to perform the refill. - answerB What is a general safety precaution to take when refilling an SCBA cylinder? A) Wear full structural fire fighting PPE. B) Fill the cylinder as quickly as possible. C) Perform a hydrostatic test on the cylinder. D) Check the hydrostatic test date of the cylinder. - answerD Which piece of information must be included on the permanent compliance label inside each piece of PPE? A) Firefighter's name B) Department name C) Cleaning precautions D) Wearing instructions - answerC Which type of breathing air source would be found inside a high-rise building? A) Stationary fill system B) Auto-cascade fill system C) High-rise specific cascade system D) Firefighter Breathing Air Replenishment System - answerD Annual SCBA inspections and maintenance should be performed by: A) a company officer. B) all available firefighters. C) specially trained, factory-qualified technicians. D) the highest-ranking fire department personnel. - answerC After each use, the SCBA facepiece should be: A) cleaned, dried, and placed out of service. B) washed with warm water and a mild disinfectant. C) sanitized using a machine built specifically for facepieces. D) sent to the manufacturer for a commercial-grade cleaning. - answerB When donning an unmounted SCBA, the SCBA unit should be: A) stored in an outside compartment of the apparatus. B) placed on the ground with all of the straps extended. C) stored in a specialized compartment inside the apparatus. D) placed behind the firefighter with all of the straps tightened. - answerB Immediately prior to donning SCBA, firefighters should: A) record inspections in the SCBA log. B) perform a hydrostatic test on the cylinder. C) check to make sure that the bypass valve is disabled. D) check the cylinder gauge to make sure the cylinder is full. - answerD All PPE designed for structural fire fighting must meet the requirements of: A) NFPA 1002. B) NFPA 1006. C) NFPA 1971. D) NFPA 1981. - answerC How can a firefighter help ensure that they will not be affected by limitations caused by equipment that is in poor condition? A) Proper facepiece fit testing B) Repeated training with the SCBA unit C) Frequent inspections and maintenance D) Physical fitness and endurance training - answerC Which SCBA equipment limitation would MOST directly impact a firefighter's ability to navigate on scene? A) Limited visibility B) Decreased mobility C) Low air cylinder pressure D) Poor equipment condition - answerA How can a firefighter overcome psychological limitations such as fear and claustrophobia while wearing SCBA? A) Proper fit testing B) Exercise and a proper diet C) Regular medical evaluations D) Repeated training with the SCBA - answerD The end-of-service-time indicator (EOSTI): A) is a gauge on the facepiece that shows the wearer how much breathing air is left in the SCBA cylinder. B) uses an audible alarm and flashing light or vibration to warn the wearer that the air supply is almost depleted. C) is a series of lights in the SCBA facepiece that indicate when it is safe to work in the atmosphere without SCBA. D) is used to assess dangerous conditions in the emergency scene environment and determine the need for SCBA. - answerB Which SCBA component allows the air cylinder to be transfilled from another cylinder in the event of an emergency? A) Heads-up display (HUD) B) End-of-service-time indicator (EOSTI) C) Emergency Escape Breathing Support System (EEBSS) D) Rapid intervention crew universal air coupling (RIC UAC) - answerD What is the function of the heads-up display (HUD) on the SCBA facepiece assembly? A) Shows the location of other team members nearby B) Allows the wearer to communicate with team members C) Displays lights that indicate the amount of air left in the SCBA cylinder D) Helps create an airtight seal between the wearer's face and the SCBA facepiece - answerC Factors that firefighters have the most control over that affect the success of SCBA use include physical condition, agility, and: A) cylinder size. B) lung capacity. C) tasks assigned. D) experience in similar situations. - answerB Which SCBA component includes a control valve and a high-pressure hose attached to one end? A) Harness B) Regulator C) Facepiece D) Air cylinder - answerD In order to avoid contaminating living quarters, _____ should NOT be worn during emergency operations. A) station footwear B) steel-toed boots C) cotton underwear D) synthetic materials - answerA If the pressure reading on the remote pressure gauge does not match the reading on the regulator gauge, which reading should be assumed correct? A) The lowest number reading B) The highest number reading C) Neither of the pressure readings D) An average of the pressure readings - answerA Firefighters should we