Construction Materials and Tools

What are nails primarily made of, and what is their purpose?

• Metal, used for fastening woods

• Concrete, used for cutting across the grain

• Sand, used for vertical alignment

• Wood, used for measuring long distances

What is the specific application of a hack saw?

• Cutting along the grain

• Testing squareness of a stock

• Cutting metals and pipes

• Checking vertical and horizontal positions

What is the purpose of gravel in construction?

• Measuring long distances

• Fastening woods

• Vertical and horizontal alignment

• Coarse aggregate

Where is sand typically found?

• In the forest

• In the shore and desert

• In metal pipes

• In coarse aggregate

What is lumber?

• A tool for measuring long distances

• Sawn Timber

• A fine toothed saw used to cut metals and pipes

• Coarse aggregate

Which tool is used for cutting across the grain?

• Pull-push saw

• Plumb bob

• Cross-cut saw

• Try square

What is the primary function of a plumb-bob?

• Cutting along the grain

• Testing squareness of a stock

• Vertical alignment

• Horizontal alignment

What is the purpose of a level bar in construction?

• Measuring long distances

• Fastening woods

• Checking vertical and horizontal positions

• Vertical alignment

What is plywood?

• A tool for measuring long distances

• Coarse aggregate

• A thin cross-laminated sheet of wood

• A fine-toothed saw for cutting metals

What is the function of cement when mixed with water?

• Measuring long distances

• Fastening woods

• Vertical alignment

• Acts as a binder of aggregate