Term
| WHY SHOULD WOODEN WING SPARS BE FINISHED WITH A TRANSPARENT VARNISH? |
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Definition
| SO ANY ROT OR DECAY IN THE WOOD MAY BE DETECTED. |
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Term
| WHY IS RETARDER USED IN DOPE WHEN THE DOPE IS BEING SPRAYED IN HUMID CONDITIONS? |
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Definition
| TO SLOW THE DRYING AND PREVENT BLUSHING. |
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Term
| WHAT IS USED AS PROTECTIVE FINISH FOR THE INSIDE OF STEEL TUBING? |
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Definition
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Term
| HOW THICK SHOULD A COAT OF WASH PRIMER BE THAT IS USED ON A ALUMINUM ALLOY AIRCRAFT STRUCTURE? |
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Definition
| THIN ENOUGH THAT IS DOES NOT HIDE THE SURFACE OF THE METAL. |
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Term
| WHAT HAPPENS TO AN ENAMEL FINISH WHEN PAINT REMOVER IS APPLIED TO IT? |
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Definition
| THE ENAMEL SOFTENS AND SWELLS SO IT PULLS AWAY FROM THE SURFACE OF THE METAL. |
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Term
| WHAT SHOULD BE DONE TO AN AIRCRAFT SURFACE THAT IS COVERED WITH PAINT REMOVER TO GIVE THE REMOVER THE MAXIMUM AMOUNT OF TIME TO SOAK INTO THE OLD FINISH? |
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Definition
| IT SHOULD BE COVERED WITH A POLYETHYLENE SHEETING (PAINT DROP CLOTH) TO KEEP SOLVENTS FROM EVAPORATING BEFORE IT HAS TIME TO PENETRATE THE PAINT FILM. |
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Term
| WHEN MIXING EPOXY PAINT, SHOULD THE CONVERTER BE ADDED TO THE RESIN OR RESIN TO THE CONVERTER? |
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Definition
| ALWAYS CONVERTER TO THE RESIN. |
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Term
| WHAT IS THE GENERAL REASON FOR RUNS AND SAGS IN A FINISH THAT IS BEING SPRAYED ONTO A FLAT SURFACE? |
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Definition
| TOO MUCH PAINT APPLIED, FILM IS TOO THICK. |
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Term
| WHAT CAN BE DONE TO REMEDY BLUSHING THAT HAS FORMED ON A DOPED SURFACE THAT HAS JUST BEEN SPRAYED? |
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Definition
| SPRAY A LIGHT COAT MIXTURE OF ONE PART RETARDER AND TWO PARTS THINNER OVER THE BLUSHED AREA. LET DRY AND ADD ANOTHER COAT, IF IT DOES NOT REMOVE, THEN THE BLUSH WOULD HAVE TO BE SANDED AND REPAINTED. |
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Term
| HOW CAN A VINYL FILM DECAL BE REMOVED FROM AN ALUMINUM ALLOY SURFACE? |
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Definition
| PLACE A CLOTH SATURATED WITH MEK OVER THE DECAL UNTIL SOFTENED AND REMOVE WITH A PLASTIC SCRAPPER. |
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Term
| WHAT SAFETY PRECAUTION MUST BE OBSERVED WHEN SWEEPING A PAINT ROOM THAT HAS DRIED DOPE OR LACQUER OVERSPRAY ON THE FLOOR? |
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Definition
| WET DOWN THE FLOOR WITH WATER BEFORE SWEEPING. STATIC ELECTRICITY CAN FORM FROM DRY SWEEPING AND CAUSE A FIRE. |
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Term
| WHEN AN AIRCRAFT IS BEING RECOVERED WHEN IS FUNGICIDAL DOPE APPLIED TO THE FABRIC? |
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Definition
| WITH THE FIRST COAT OF DOPE. |
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Term
| WHAT WILL HAPPEN IF DOPE IS SPRAYED OVER AN ENAMELED SURFACE? |
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Definition
| THE THINNER IN THE DOPE WILL CAUSE THE ENAMEL TO SWELL. |
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Term
| WHAT ARE THREE TYPES OF PRIMER THAT CAN BE USED WHEN PAINTING AND AIRCRAFT? |
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Definition
| WASH PRIMER, ZINC CHROMATE PRIMER, AND EPOXY PRIMER. |
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Term
| HOW IS THE FINISH REMOVED FROM A FIBERGLASS AIRCRAFT COMPONENT THAT IS BEING REPAIRED? |
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Definition
| THE FINISH MUST BE SANDED OFF. PAINT REMOVER CAN SOFTEN THE RESIN OF WHICH THE COMPONENT IS MADE. |
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Term
| WHAT ARE THE TWO BASIC TYPES OF DOPE THAT ARE USED ON FABRIC-COVERED AIRCRAFT? |
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Definition
| NITRATE AND BUTYRATE DOPE |
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Term
| WHAT KIND OF DOPE IS USED ON POLYESTER SYNTHETIC FABRIC THAT HAS BEEN HEAT SHRUNK ON AN AIRCRAFT STRUCTURE? |
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Definition
| NONTAUTING BUTYRATE DOPE. |
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Term
| WHAT TYPE OF THINNER IS USED WITH ZINC CHROMATE PRIMER? |
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Definition
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