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12 Cards in this Set
- Front
- Back
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Major type of damage of aluminum structures that is caused by exposure to the weather? |
Corrosion |
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Several methods for forming sheet metal? |
Bending or folding, shrinking,bumping, crimping. |
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What are the dimensions of a properly formed rivet head? |
A rivets are plain,B rivets have a cross,D rivets have a raised dot, AD rivets have a dimple,DD rivets have a double dash. |
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What happen to the stem of a self plugging rivet when the rivet is installed? |
The stem is pulled until it snaps off. |
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Name at least three types of self plugging mechanical lock rivets |
CherryMAX, cherryLOCK,Olympic-LOK |
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What is the difference between the tools required to pull a cherryLOCK rivet and CherryMAX rivet? |
CherryLOCK requires a tool for each different size and head shape, while CherryMAX needs one pulling tool. |
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Most common cause of rivet failure? |
Shear |
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If a 2024 rivet must be replaced with a 2117 rivet , how do you determine the size to be used? |
For 5/32, use the next larger size 2117 rivet,assuming that the edge distance meet the requirements. |
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What minimum edge distance and spacing should be used for a single row of protruding head rivets? |
Not less than two rivet diameter from the edge and not less than three rivet diameters apart |
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Describe the process for determining the total of a solid rivet for q particular installation. |
Add the grip length plus 1 1/2times the rivet diameter |
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How can a mechanic determine whether the countersunk for a flush rivet should be dimpled or drilled? |
Thin sheets are dimpled, thick sheets may be countersunk. |
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What action is taken to prevent cracks from forming while dimpling magnesium or some hard sheet metals |
Hot dimpling is used to preheat |
