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. Neither oil nor grease should be used as a lubricant on couplings or pipelines carrying Nitrogen Kerosene Oxygen None 2. Acetylene gas forms an explosive compound with tin and silver copper and silver tin and copper None 3. How many teeth per inch are used on a hacksaw blade for cutting hard metal? 26 54 36 None 4. After working with epoxy resins, how is natural oil returned to the skin? Refatting cream Acetone/lanolin mixture Epoxy removing cream None 5. In an oxygen system, if the pressure drops to 500 PSI, it causes anoxia blocks the oxygen system regulator begins to overheat None 6. How many strokes per minute are used on a hacksaw when cutting thick metal? 65 30 55 None 7. A CO2 extinguisher is used on solid, liquid, hot metal and electrical fires solid and liquid fires solid, liquid and electrical fires None 8. 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 9. Which type of extinguisher can be used for an electric fire? Water Foam CO2 None 10. 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 11. The minimum 'no smoking' zone around an aircraft when refuelling is 6m 10m 15m None 12. A dry powder extinguisher is coloured blue red green None 13. 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 14. You are involved with a fire caused by titanium swarf. What type of extinguishant should you use to deal with the fire? Dry asbestos wool and chalk powder CO2 Chemical foam None 15. The colour of CO2 type fire extinguisher is green black red None 16. An aircraft should not be refueled when navigation and landing light in operation the APU is running within 10 metres (30 feet) of radar operating None 17. Which type of extinguisher can be used for engine fire? BCF Water CO2 None 18. Fire on landing gear brake should be extinguished with dry powder extinguisher water extinguisher carbon dioxide extinguisher None 1 out of 1