Unit 8 Engineering and Design Practices

Which type of load is every bridge designed to carry?

• A dead load and any amount of live load

• A dead load plus a certain maximum live road

• A dead load only, with no live load

• A live load only, with no dead load

In an arch bridge, the weight of the load is transferred to… ?

• Tension in the cables and hangers

• Torsion forces in the arches

• Compression forces in the arches

• Torsion forces in the arches

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What is the main purpose of the foundation of a building?

• Protecting the building from rainstorms

• Cooling the building when the weather is warm

• Increasing the usable space inside the building

• Anchoring the building to the ground

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Which subsystem is found in every building, regardless of the building’s size, purpose, or age?

• Structural Subsystem

• HVAC Subsystem

• Plumbing Subsystem

• Electrical Subsystem

Which part or parts of a building should be constructed before the other parts?

• Outer Framework

• Foundation

• Floors and ceilings

• Roof

Construction workers are preparing to assemble large pieces of wood into the framework of a house. They are following the plans of an architect. Which tool will they likely need to use before any other tool?

• Hammer and nails

• Circular saw, for cutting wood planks

• Measuring tape

• Cordless screwdriver

Wood is often used to build the frameworks of houses, while steel is used in taller buildings. What is an advantage of steel in comparison to wood?

• Cost

• Strength

• Ease of assembly

• Flexibility

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A slanted shape for a roof is useful because…?

• It is easier to construct than a flat roof

• It helps trap heat inside a building

• It helps water drip down the roof, not through it

• It has less surface area than a flat roof

Insulation beneath the roof and around windows and door frames has the greatest effect on which subsystem of a house?

• HVAC

• Foundation

• Framework

• Plumbing

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How are the roof, frame work, and foundation of a building related to one another?

• All bear the same amount of weight

• All are made of the same materials

• All have equal volume

• All cover the same area

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