Module 7A (B2) Module 7A (B2) quiz contains 60 question based on the syllabus for module 7A examination for B2 category. The time limit for the quiz is 75 min. The number of attempts allowed are unlimited. All the best. Name 1. Which type of extinguisher can be used for engine fire? Water BCF CO2 None 2. When mixing acid and water the acid should always be added to the water the water should always be added to the acid it does not matter which way the two are mixed None 3. How many teeth per inch are used on a hacksaw blade for cutting hard metal? 54 26 36 None 4. The minimum 'no smoking' zone around an aircraft when refuelling is 15m 6m 10m None 5. Fire on landing gear brake should be extinguished with carbon dioxide extinguisher water extinguisher dry powder extinguisher None 6. Risk assessments should only be carried out on tasks using hazardous chemicals all tasks and processes that are performed tasks carried out above the height of 6 foot None 7. An aircraft should not be refueled when the APU is running navigation and landing light in operation within 10 metres (30 feet) of radar operating None 8. After working with epoxy resins, how is natural oil returned to the skin? Epoxy removing cream Acetone/lanolin mixture Refatting cream None 9. A CO2 extinguisher is used on solid, liquid, hot metal and electrical fires solid, liquid and electrical fires solid and liquid fires None 10. Acetylene gas forms an explosive compound with copper and silver tin and copper tin and silver None 11. You are involved with a fire caused by titanium swarf. What type of extinguishant should you use to deal with the fire? Chemical foam Dry asbestos wool and chalk powder CO2 None 12. Neither oil nor grease should be used as a lubricant on couplings or pipelines carrying Oxygen Kerosene Nitrogen None 13. A dry powder extinguisher is coloured red blue green None 14. Which type of extinguisher can be used for an electric fire? CO2 Water Foam None 15. When lifting a bulky component with a wire rope sling, the component can be protected from damage by the sling by using spreader bars and packing using a suitably shaped sling fabricating alternative lifting points None 16. The colour of CO2 type fire extinguisher is green black red None 17. In an oxygen system, if the pressure drops to 500 PSI, it blocks the oxygen system regulator causes anoxia begins to overheat None 18. How many strokes per minute are used on a hacksaw when cutting thick metal? 65 55 30 None 1 out of 1