| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.67 |
| Score | 0% | 53% |
A joint created by soldering is:
stronger than a weld |
|
as strong as a weld |
|
as strong as the original metal |
|
weaker than a weld |
A joint created by soldering is not as strong as a weld and not as strong as the original metal.
Which of the following statements about solding is not true?
soldering can only join metals |
|
flux is used to clean surfaces before soldering |
|
solder has a comparatively low melting point |
|
solder is an alloy of lead and tin |
Soldering is a process by which two or more items (typically metal) are joined together by melting a filler metal (solder) into the joint. An electrically powered soldering iron or soldering gun is used to melt the solder which is an alloy of lead and tin that has a melting point below the melting point of the items being joined. A chemical cleaning agent called flux is also used to clean the surfaces before soldering.
Which of the following determines whether a socket can be used with a particular ratchet?
the socket size |
|
the drive size |
|
the point size |
|
the drive circumference |
A ratchet (or socket wrench) is a wrench that applies torque in only one direction with a handle that can be moved back and forth without losing contact with the fastener. A ratchet uses variable attachments called sockets which come in a variety of drive sizes based on the size of the opening that attaches to the ratchet. Sockets with the same drive size will vary in the shape (six-point, twelve-point) and size of the nut opening that attaches to the fastener being tightened or loosened. Smaller point sized sockets are stronger and can apply greater torque while larger point sizes allow easier alignment.
The __________ is an initial shallow saw cut made as a guide to prevent the saw from slipping sideways on subsequent more powerful cuts.
kerf |
|
groove |
|
channel |
|
guide |
When you start sawing by creating a kerf it will help prevent the saw from slipping sideways when you begin the power strokes that do most of the cutting.
Which of the following is not an advantage of using a tape measure over using a ruler?
measure with more accuracy |
|
easier storage |
|
measure longer distances |
|
measure in tighter spaces |
Rulers are used to both measure distance and to draw straight lines. Tape measures are flexible rulers useful for measuring longer distances and in tighter spaces. Rulers and tape measures provide similarly accurate measurements.