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. When mixing acid and water the acid should always be added to the water it does not matter which way the two are mixed the water should always be added to the acid None 2. 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 3. Which type of extinguisher can be used for an electric fire? CO2 Foam Water None 4. A dry powder extinguisher is coloured red blue green None 5. 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 6. How many teeth per inch are used on a hacksaw blade for cutting hard metal? 26 54 36 None 7. The colour of CO2 type fire extinguisher is red green black None 8. In an oxygen system, if the pressure drops to 500 PSI, it blocks the oxygen system regulator begins to overheat causes anoxia None 9. A CO2 extinguisher is used on solid and liquid fires solid, liquid and electrical fires solid, liquid, hot metal and electrical fires None 10. When lifting a bulky component with a wire rope sling, the component can be protected from damage by the sling by using a suitably shaped sling fabricating alternative lifting points using spreader bars and packing None 11. The minimum 'no smoking' zone around an aircraft when refuelling is 15m 6m 10m None 12. Fire on landing gear brake should be extinguished with dry powder extinguisher carbon dioxide extinguisher water extinguisher None 13. Risk assessments should only be carried out on tasks carried out above the height of 6 foot all tasks and processes that are performed tasks using hazardous chemicals None 14. After working with epoxy resins, how is natural oil returned to the skin? Epoxy removing cream Acetone/lanolin mixture Refatting cream None 15. How many strokes per minute are used on a hacksaw when cutting thick metal? 55 30 65 None 16. Which type of extinguisher can be used for engine fire? CO2 Water BCF None 17. Acetylene gas forms an explosive compound with tin and silver tin and copper copper and silver None 18. Neither oil nor grease should be used as a lubricant on couplings or pipelines carrying Nitrogen Kerosene Oxygen None 1 out of 1