Module07-New.doc - Module 07.Maintenance Practice 01....

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Module 07.Maintenance Practice 01. Safety Precautions Aircraft and Workshop. Question Number. 1 A dry powder extinguisher is coloured. Option A. green. Option B. red. Option C. blue. Correct Answer is. blue. Explanation. BS EN3. Question Number. 2. Acetylene gas forms an explosive compound with. Option A. tin and silver. Option B. tin and copper. Option C. copper and silver. Correct Answer is. copper and silver. Explanation. NIL. Question Number. 3. When mixing acid and water. Option A. the acid should always be added to the water. Option B. it does not matter which way the two are mixed. Option C. the water should always be added to the acid. Correct Answer is. the acid should always be added to the water. Explanation. NIL.
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Question Number. 4. You are involved with a fire caused by titanium swarf. What type of extinguishant should you use to deal with the fire?. Option A. Dry asbestos wool and chalk powder. Option B. CO 2 . Option C. Chemical foam. Correct Answer is. Dry asbestos wool and chalk powder. Explanation. BL/6-18 12.5. Question Number. 5. An aircraft should not be refueled when. Option A. the APU is running. Option B. navigation and landing light in operation. Option C. within 10 metres (30 feet) of radar operating. Correct Answer is. within 10 metres (30 feet) of radar operating. Explanation. AL/3-8 2.1.6, GOL/1-1 7.3.2. Question Number. 6. The minimum 'no smoking' zone around an aircraft when refuelling is. Option A. 15m. Option B. 10m. Option C. 6m. Correct Answer is. 6m. Explanation. Leaflet 5-1 2.2.2. Question Number. 7. A CO 2 extinguisher is used on. Option A. solid, liquid, hot metal and electrical fires. Option B. solid, liquid and electrical fires. Option C. solid and liquid fires. Correct Answer is. solid, liquid and electrical fires. Explanation. Hot metal and liquid fires would be extinguished with foam.
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Question Number. 8. In an oxygen system, if the pressure drops to 500 PSI, it. Option A. causes anoxia. Option B. begins to overheat. Option C. blocks the oxygen system regulator. Correct Answer is. blocks the oxygen system regulator. Explanation. At low pressure, air can mix with the oxygen. The moisture in the air freezes as the gas expands on exit of the system Question Number. 9. After working with epoxy resins, how is natural oil returned to the skin?. Option A. Epoxy removing cream. Option B. Refatting cream. Option C. Acetone/lanolin mixture. Correct Answer is. Acetone/lanolin mixture. Explanation. Acetone is used to remove epoxy resin, but it dries the skin, so it is mixed with lanolin to prevent this (same mixture as nail varnish remover). Question Number. 10. Neither oil nor grease should be used as a lubricant on couplings or pipelines carrying. Option A.
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Module07-New.doc - Module 07.Maintenance Practice 01....

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