Methods and Materials Pre Quiz

What is the purpose of an exterior window sill?

• To support the window frame

• To allow natural light to enter the room

• To provide insulation

• To shed water away from the window and prevent water infiltration

Which type of window opens by swinging outward on hinges located on one side of the frame?

• Double-hung window

• Casement window

• Awning window

Which window style has a sash that moves parallel along a track?

• Casement window

• Double-hung window

• Bay window

• Awning window

What is the standard height of a riser in a residential staircase according to most building codes?

• 6 inches

• 7 inches

• 8 inches

• 9 inches

What is the purpose of a stair stringer?

• To support the stair treads

• To provide a decorative finish to the stairs

• To connect the handrail to the staircase

• To prevent slips and falls on the stairs

What is the ideal angle for a standard staircase pitch or slope?

• 30 degrees

• 35 degrees

• 40 degrees

• 45 degrees

What is the minimum recommended headroom clearance above a staircase according to most building codes?

• 6 feet 8 inches

• 7 feet

• 8 feet

• 9 feet

What does PVC stand for in plumbing?

• Primary Ventilation Conduit

• Polyvinyl Chloride

• Pressure Valve Connector

• Plumbing Ventilation Component

Which type of pipe is most commonly used for commercial water supply lines?

• Copper

• PVC

• Galvanized Steel

• PEX

What type of stair takes up the least amount of floor space?

• Circular

• U

• Double

• Spiral