BECC MOD 3 TEST QUESTIONS WITH COMPLETE 100% VERIFIED SOLUTIONS 2024/2025, Exams of Safety and Fire Engineering

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BECC MOD 3 TEST QUESTIONS

WITH COMPLETE 100% VERIFIED

SOLUTIONS 2024/

What is the fourth requirement needed in the fire tetrahedron for flames to exist? A. Uninhibited chain reaction B. Uniterm-1nhibited chemical reaction C. Combustion D. Smoke B. Uninhibited chemical reaction Normal oxygen content in a atmosphere is ....... %. A. 19.5 to 22 B. 19 to 21 C. 17 to 18 13.5 to 17 A. 19.5 to 22 A deep fat fryer fire is classified as a ...... fire. A. Alpha B. Bravo C. Charlie D.Delta B. Bravo Potassium Bicarbonate Powder (PKP) ...... A. breaks the combustion chain. B. provides a cooling effect. C. provides a smothering effect. D. is non corrosive. A. breaks the combustion chain. The primary extinguishing agent for a class "B" fire is ...... A. high velocity fog. B. AFFF. C. CO 2. D. PKP.

B. AFFF.

Halon extinguishes a fire by ...... A. cooling it. B. smothering it. C. breaking the combustion chain. D.chemically inhibiting the flame. D.chemically inhibiting the flame. What fire team position delivers messages from the OSL to RPL and from RPL to OSL? A. Team Leader B. Messenger C. Investigator D. Nozzleman B. Messenger Which person is part of the rapid response team? A. Plugman B. Messenger C. Fire marshal D. OSL C. Fire marshal Portable AFFF extinguishers weigh approximately ....... pounds when fully charged. A. 15 B. 25 C. 28 D. 50 C. 28 The portable AFFF extinguisher uses a stainless steel cylinder that stores ....... gallons of pre- mixed solution of AFFF concentrate and fresh water. A. 4 1/ B. 4 C. 3 1/ D. 2 1/ D. 2 1/ (True/False) The Number 1 Hose is laid out to the open side of the door. A. True B.False A. True

What is proper protective equipment for a rescue man on the flight deck? A. Firefighting coveralls only B. Firefighting ensembles C. Proximity suits D.Scott Air Packs C. Proximity suits What type of gloves protect personnel against abrasions and heat, and are made of leather? A. Flash gloves B. Firefighting gloves C. Nomex gloves D. All of the above B. Firefighting gloves (True/False) When donning the Fire Fighting Ensemble (FFE), the flash hood should be fully tucked inside the collar of the FFE. A. True B. False A. True What is the color of the extra large face piece for the SCBA? A. Red B. Blue C. Black D. Green A. Red The SCBA bottles must be hydrostatically tested every ....... years. A. 12 B. 9 C. 6 D. 3 D. 3 The RAM FAN 2000 blower can be used for ...... A. supply desmoking only. B. exhaust desmoking only. C. supply and exhaust desmoking. D. natural ventilation only. C. supply and exhaust desmoking. The electrical motor used for the medium capacity portable de-smoking fan is ...... A. a quick blow fuse.

B. an underground motor. C. a thermally protected motor. D. a gel liquid bearing. C. a thermally protected motor. The Medium Capacity portable Desmoking Fan should never be used if the ...... are removed. A. timers B. handles C. hangers D. fan guards D. fan guards Navy fire hoses are manufactured in standard lengths of ....... feet. A. 15 B. 25 C. 50 D. 75 50 Inline eductors are used for ....... A. dewatering. B. mixing AFFF concentrate. C. desmoking. D. as the main drainage. B. mixing AFFF concentrate. Who is responsible for performing routine inspections and preventive maintenance on the fire station? A. Damage Control Officer B. Work Center Supervisor C. 3M coordinator D.Division Damage Control Petty Officer Division Damage Control Petty Officer What is the recommended percent seawater to AFFF concentrate? A. 94/ B. 90/ C. 80/ D. 75/ 94/

A. two B. three C. four D. five D. five The Halon 1301 Flooding Systems are ...... lb. systems. A. 105 B. 115 C. 125 D. 135 C. 125 The time delay assemblies on the Halon 1301 provides time ...... A. for ventilation shut down. B. equipment shut down. C. space to cool down. D.break out fire fighting equipment. A. for ventilation shut down. A space flooded with Halon 1301 must be ventilated at high speed for at least 15 minutes and ....... before entering without a OBA/SCBA. A. de-smoked B. de-watered C. electronically de-energized D. gas free tested D. gas free tested The Halon 1301 Flooding System cylinders are equipped with a safety disc which ruptures at ....... psi. A. 600- B. 1600- C. 2650- D.4500- C. 2650- Personnel should NOT be subjected to Halon concentration of above 7% for more than ...... minutes. A. 5 B. 10

C. 15

D. 20

B. 10

The Carbon Dioxide System consists of one or more ....... lb. cylinders attached to discharge piping A. 25 B. 50 C. 75 D. 100 B. 50 The CO2 pressure operated switches are located ....... A. away from the access space. B. inside the protected area. C. near the access space. D. on the nearest Ibeam. C. near the access space. (True/False) After activation of the Carbon Dioxide Flooding System (CO2) you must re-enter with an OBA or SCBA. A. True B. False A. True (True/False) If time permits, ship's regulations may require authorization from EOOW, OOD, CDO, etc., before flooding a space with CO2. A. True B.False A. True A fire that involves electricity is a class ...... fire. A. Alpha B. Bravo C. Charlie D. Delta C. Charlie