Wood-Based Materials Quiz

How long should you hold the soldering iron against the circuit board and component leg?

• A few seconds.

• One minute.

• Ten seconds.

• Until it cools.

What is one way to reduce the risk of burning from a soldering iron?

• Use a fan.

• Wear protective gloves.

• Work in a well-ventilated area.

• Use a larger soldering iron.

What should you do after removing the soldering iron?

• Add more solder.

• Allow the joint to cool.

• Reheat the joint.

• Clean the board.

What is the task mentioned in the document related to soldering hazards?

• Write how you would reduce the risk of these hazards.

• List the tools needed for soldering.

• Describe the soldering process.

• Explain the benefits of soldering.

What is the composition of solder?

• 70% tin and 30% lead

• 60% tin and 40% lead

• 50% tin and 50% lead

• 40% tin and 60% lead

What is the purpose of flux in solder?

• To cool the joint

• To help the joint form correctly

• To clean the soldering iron

• To color the solder

What precaution should you take regarding the soldering iron?

• Touch the tip frequently

• Do not touch the tip on the cable or yourself

• Use it in a closed space

• Use it without a stand

What is one advantage of using CAD over hand-drawn designs?

• It is more expensive.

• It reduces human error.

• It requires more training.

• It is slower for low-volume production.

Why might CAD be preferred in large-scale production?

• It is less accurate.

• It provides consistent results.

• It is slower than traditional methods.

• It requires no machinery.

Which of the following is a CAM machine?

• Google SketchUp

• 2D Design

• CNC router

• Pro Engineer & Pro Desktop