Câu 406. Two continuous-loop fire detection systems that will not test due to a broken Detector element are the.(Level 2)

B. Kidde system and the Fenwal system.

A. Thermocouple system and the Lindberg system.

C. Kidde system and the Lindberg system.

Câu 407. Which of the following fire detection systems measures temperature rise Compared to a reference temperature?.(Level 2)

A. Lindberg continuous element.

Câu 409. How are most aircraft turbine engine fire extinguishing systems

C. Electrically discharged cartridges.

A. Manual remote control valve.

Câu 411. Why does one type of Fenwal fire detection system use spot detectors Wired in parallel between two separate circuits?.(Level 2)

A. So that a single fault may exist in the system without sounding a false alarm.

B. To provide an installation that is equal to two separate systems: a primary System and a secondary, or back-up system.

C. So that a double fault may exist in the system without sounding a false alarm.

Câu 412. How does carbon dioxide (CO2) extinguish an aircraft engine fire?.(Level 2)

C. Contact with the air converts the liquid into snow and gas which smothers the Flame.

A. By lowering the temperature to a point where combustion will not take place.

B. The high pressure spray lowers the temperature and blows out the fire.

Câu 414. Which of the following is the safest fire extinguishing agent to use from a Standpoint of toxicity and corrosion hazards?(Level 2)

A. Bromotrifluoromethane (Halon 1301).

B. Bromochlorodifluoromethane (Halon 1211).

C. Dibromodifluoromethane (Halon 1202).

Câu 416. A fire detection system operates on the principle of a buildup of gas Pressure within a tube proportional to temperature. Which of the following Systems does this statement define?. (Level 1)

B. Lindberg continuous element system.

C. Kidde continuous loop system.

Câu 418. How is the fire extinguishing agent distributed in the engine section?.(Level 2)

A. Spray nozzles and perforated tubing.

B. Spray nozzles and fluid pumps.

C. Nitrogen pressure and slinger rings.

Câu 419. What is the principle of operation of the continuous loop fire detector system Sensor?.(Level 2)

A. Core resistance material which prevents current flow at normal temperatures.

B. A bimetallic thermoswitch which closes when heated to a high temperature.

C. Fuse material which melts at high temperatures.

Câu 420. A continuous loop fire detector is what type of detector?.(Level 1)

A. Rate of temperature rise detector.

Câu 421. For fire detection and extinguishing purposes, aircraft powerplant areas are Divided into fire zones based on.(Level 1)

C. Hot and cold sections of the engine.

A. The volume and smoothness of the airflow through enginecompartments.

Câu 422. On checking a fault free fire detection system.(Level 1)

C. Use a megger only for a short while as it can polarise the element.

B. A megger is never to be used.

Câu 423. 3 ways to test serviceability of a fixed fire bottle in situ are.(Level 1)

C. Pressure, pop up indicator, blow-out disc.

A. Weigh, pressure, blow-out disc.

B. Weigh, pressure, pop up indicator.

Câu 424. Omission of crushable washer on engine fire-wire connector will.(Level 1)

B. Affect fire wire continuity.

C. Affect fire wire capacitance.

Câu 425. A fire detection system contains? (Level 1)

B. Sensors, a control unit and various warning

C. Sensors, a control unit, various warning and fire extinguisher bottles

Câu 426. Which sensing elements has an engine fire detection system? (Level 1)

C. Fan, core and pylon elements

Câu 427. When are the warning of engine fire generated? (Level 2)

B. Loop A and Loop B detect a fire

A. Loop A or Loop B detect a fire

Câu 428. In jet aircraft, the fire extinguishing system is designed for? (Level 1)

C. The engines, the APU, the cargo compartment, the toilets

A. The engines, the APU, the THS compartment, the toilets

B. The engines, the APU, the cargo compartment, the galley

Câu 429. When an engine is running, you open the safety guard and press the engine fire push button. What is happen? (Level 2)

A. The engine shutdown immediately

C. The engine is cooling down for 5 minutes then shutdown

Câu 430. The discharge light illuminates in the engine fire agent push button, it indicates? (Level 2)

C. Pressure of fire extinguished bottle is low

A. Pressure of fire extinguished bottle is normal

B. Pressure of fire extinguished bottle is high

Câu 432. What is happen if you press the agent push button? (Level 2)

B. The corresponding engine fire extinguished bottle will not be discharged.

A. The corresponding engine fire extinguished bottle will be discharged.

C. All engine fire extinguished bottle will be discharged.

Câu 433. If the fire warning is still on after you discharge the first bottle, which is correct? (Level 1)

A. You must discharge the second bottle

B. The second bottle will be automatically discharged

C. You cancel the fire warning because the fire was extinguished

15.20 Fire Protection Systems

Authored by Dũng Hoàng

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 399. A fire wire is installed.(Level 1)

A. To withstand inertia, vibration, etc, encountered during normal operation.

B. Vertically.

C. Horizontally.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 400. Resistive and capacitive type firewires are tested with.(Level 1)

A. Megger/voltmeter.

B. Megger/ohmmeter.

C. Multimeter.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 401. Fire wire clips have rubber in them to.(Level 1)

A. Stop heat transfer to the element.

B. Insulate the fire wire electrically.

C. Support the wire.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 402. Fire extinguishers work by.(Level 1)

A. Combining with remaining oxygen to get rid of it.

B. Creating more oxygen.

C. Reducing oxygen.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 403. Fire detection systems which are routed through another zone.(Level 1)

A. Must be protected by the use of heat sinks.

B. Must be protected from heat sources in the zone.

C. Are not allowed.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 404. What is the operating principle of the spot detector sensor in a fire detection System?.(Level 2)

A. A conventional thermocouple that produces a current flow.

B. A bimetallic thermoswitch that closes when heatedto a high temperature.

C. Resistant core material that prevents current flow at normal temperatures.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Câu 405. In a fixed fire-extinguishing system, there are two small lines running from The system and exiting overboard. These line exit ports are covered with a Blowout type indicator disc. Which of the following statements is true?.(Level 2)

A. When the red indicator disc is missing, it indicates the fire extinguishing System has been normally discharged.

B. When the green indicator disc is missing, it indicates the fire extinguishing System has had a thermal discharge.

C. When the yellow indicator disc is missing, it indicates the fire extinguishing System has been normally discharged.

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15.20 Fire Protection Systems

Câu 399. A fire wire is installed.(Level 1)

Câu 400. Resistive and capacitive type firewires are tested with.(Level 1)

Câu 401. Fire wire clips have rubber in them to.(Level 1)

Câu 402. Fire extinguishers work by.(Level 1)

Câu 403. Fire detection systems which are routed through another zone.(Level 1)

Câu 404. What is the operating principle of the spot detector sensor in a fire detection System?.(Level 2)

Câu 405. In a fixed fire-extinguishing system, there are two small lines running from The system and exiting overboard. These line exit ports are covered with a Blowout type indicator disc. Which of the following statements is true?.(Level 2)

Câu 406. Two continuous-loop fire detection systems that will not test due to a broken Detector element are the.(Level 2)

Câu 407. Which of the following fire detection systems measures temperature rise Compared to a reference temperature?.(Level 2)

Câu 408. A fire involving energized electrical equipment is defined as a.(Level 1)

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