Download Firefighting Final Exam Questions and Answers and more Exams Nursing in PDF only on Docsity! HFD Final Exam questions with complete solutions What is Measures M? List the steps required to perform Measures M - correct answer ✔✔● Measures M is a combination of controlled and coordinated vertical and horizontal ventilation. A flow of cool air is introduced into the designated stairwell shaft at ground level. This pressurizes the shaft. Hot air rises, cool air enters at lower sections. 1. Use the designated interior stairwell 2. Ensure position of doors/openings in structure are closed leading to affected area. You will open them as required. If using: 3. a) Positive Pressure, "positive pressure fan" set up fan at exterior building door you are using and start fan after approval from Incident Command. Try to use wind direction to your advantage b) If naturally ventilating use wind direction to your advantage. 4. Open ground floor door to exterior. 5. Open door to floor you want ventilated. 6. Open door to unit/apartment. 7. Open door or window to exterior of building from unit/apartment. How to you calculate/estimate a traditional collapse zone? - correct answer ✔✔Height of the building multiplied by a factor or 1 ½. As per Policy & Procedures, what is the procedure for the second arriving Pump/Engine for High-Rise operations. - correct answer ✔✔Lay charged supply lines or soft suction from a hydrant to the pump ● Check standpipe connections for obstructions ● Lay lines connected from the pump to standpipe and sprinkler systems and be prepared to instantly charge them ● Connect to both outlets ● It is the responsibility of the apparatus crew supporting the standpipe/sprinkler to ensure their apparatus has an adequate water supply What are the 3 methods of Interior Fire Attack? - correct answer ✔✔Direct, indirect, combination Describe an indirect attack method (structural) - correct answer ✔✔Indirect attack is a form of attack when ff are unable to enter because of intense heat inside and attack made from outside the structure or involved area. Directing fog streams toward the ceiling of the compartment to make steam in order to cool. Converting water into steam displaces O2, absorbs heat and cools hot gas layer enough that ff can make entry and perform direct attack. List/ describe 4 possible indicators of backdraft - correct answer ✔✔● Fire confined ● Optically dense smoke, light coloured or black becoming dense gray-yellow ● High velocity, turbulent smoke discharge, sometimes appears to pulse or breathe ● High heat, smoke stained windows ● Little or no visible flame Name the four (4) "Classes" of hydrants and include their "Colour-coding" and "Flows in L/min'? - correct answer ✔✔Red- Class C- 1900 lpm Orange - Class B - 1900 to 3780 lpm Green - Class A - 3780 - 5675 lpm Blue - Class AA - 5675+ lpm Describe a primary search - correct answer ✔✔Rapid but thorough search to determine the location of victims ● Performed either before or during fire suppression operations. structure and if the standpipe connections are located in unprotected locations? - correct answer ✔✔Attach hose on the floor below the fire floor and advance hoseline up the stairs What are the 3 levels of accountability as per Operational Guideline/Incident Management? - correct answer ✔✔Level 1 - Crew Accountability ● Level 2 - Incident Scene Accountability ● Level 3 - Accountability with Entry Control What is the purpose of an Accountability Tag? - correct answer ✔✔Used to track personnel at the incident scene What is the Rule of 6 in the correct order? - correct answer ✔✔● Size up ● Call for help ● Rescue ● Cover Exposures ● Extinguishment ● Overhaul o Salvage and ventilation as required What are the 4 objectives of Incident Management System?(HFD Operational Guideline - Incident Management System - correct answer ✔✔● Remove endangered persons or remove the danger and treat the injured ● Stop and/or control the incident ● Conservation of property ● Provide for the safety and welfare of emergency personnel What the three means used for horizontal and vertical ventilation? - correct answer ✔✔● Natural ● Mechanical ● Hydraulic Fill in the blanks. In High-rise operations, elevators shall not be used if the fire is below the___________floor? And if an elevator is used the elevator should only be taken to the______ the fire? - correct answer ✔✔● 5th floor ● Floor below ] What Act ensures every municipality provides such other fire protection services as if determines may be necessary in accordance with its needs and circumstances? - correct answer ✔✔FIRE PROTECTION AND PREVENTION ACT OF 1997 What are the fireground duties of the First arriving Pumper Company, unless otherwise ordered? - correct answer ✔✔- Personnel on the first arriving Pumper Company will, unless otherwise ordered: Get an adequate water supply. - Lay necessary lines required to advance to the fire and EXTINGUISH IF POSSIBLE. What is the formula for Pump Pressure (PP)? Include a description of the items in the formula. - correct answer ✔✔PP = NP + FL +/- Elevation +/- Turbulence NP = Nozzle pressure (typically 350 kPa) FL = Friction loss Elevation = 30 kPa/story Turbulence= 5% of liters flowing in ground monitors To determine the pump pressure you must first determine the friction loss and elevation. What is the flow rate and designed operating tip pressure for the following nozzles? Akron Assault 45mm: Akron Assault 65mm; - correct answer ✔✔45mm nozzle - 350 kPa NP / 570 LPM 65mm nozzle: 350 kPa NP / 950 LPM List 6 pieces of equipment typically required by RIT team as per HFD P&P - correct answer ✔✔Search line Rit Bag Flashlight Radio Tic Irons Define a "Confined Space - correct answer ✔✔A fully or partially enclosed space that is not designed or constructed for continuous human occupancy. · One in which atmospheric hazards may occur due to its construction, location, contents or because of work that is being done on it. What are the 3 Golden Rules for operating an elevator in firefighter emergency operations (FE0)? - correct answer ✔✔1) Turn the switches on (Phase 1 and 2) 2) Never leave the elevator without the key (HOLD) 3) If all goes wrong, turn phase 2 switch off TICS (thermal imaging cameras) have two modes. List and describe. - correct answer ✔✔1) High sensitivity : High quality image at lower temperatures 2) Low sensitivity : Lower quality images at higher temperatures HFD P &P 0508.8.02 states that after a MAYDAY call, three Important pieces of information will be given. List the three items - correct answer ✔✔Location Identification Problem Defensive control techniques that operations personnel are permitted to engage in at HazMat incidents are? - correct answer ✔✔Dike, dam, and retention. One of the roles of the first Responder at the Awareness Level during a hazardous materials incident is to? - correct answer ✔✔Isolate the area.