What is the standard symbol used on architectural drawings to represent a sliding door?
Correct Answer
C) Two parallel lines with arrows indicating slide direction
Sliding doors are represented by two parallel lines with arrows showing the direction of slide movement. Swinging doors use arcs to show swing direction.
Why This Is the Correct Answer
Option B correctly describes the standard architectural symbol for sliding doors. The two parallel lines represent the door panel and track system, while the arrows clearly indicate the direction the door slides along its track. This standardized symbol allows architects, contractors, and builders to immediately understand the door type and operation without confusion. The arrow notation is essential because it shows which direction the door opens, which affects furniture placement and traffic flow planning.
Why the Other Options Are Wrong
Option A: A rectangle with an arc showing the swing direction
A solid line with perpendicular marks typically represents a wall section or elevation marker, not a sliding door. This symbol lacks the directional arrows that are essential for indicating sliding door operation.
Option D: A solid line with perpendicular marks at each end
While 'SD' notation might occasionally be used as additional text annotation, the dashed rectangle is not the standard architectural symbol for sliding doors. Standard symbols rely on line types and directional indicators, not text abbreviations.
Memory Technique
Think 'Slide = Straight lines with arrows' and 'Swing = arcs/curves'. The motion of the door matches the symbol shape - sliding is linear, swinging is curved.
Reference Hint
Look up architectural drafting standards or blueprint reading sections in your contractor reference manual, typically found in chapters covering construction drawings and symbols.
More Project Mgmt Questions
What is the minimum R-value required for wall insulation in Florida Climate Zone 2?
A subcontractor brings a new chemical product to your jobsite. Under the Globally Harmonized System (GHS), what information must be immediately available to workers?
A construction site has a trench that is 8 feet deep in Type B soil. What is the maximum allowable slope ratio for the trench walls without protective systems?
What is the maximum recommended spacing between drywall screws when attaching to wood studs?
Your crew discovers suspected asbestos-containing materials during a renovation project. What is the first action you should take?
A scaffold platform is 12 feet long and 5 feet wide. If the maximum load capacity is 25 pounds per square foot, what is the total weight capacity of this platform?
Which CSI MasterFormat Division would contain specifications for fire-stopping and firesafing materials?
In tilt-up concrete construction, what is the primary advantage of this method over conventional cast-in-place construction?
Which OSHA standard specifically addresses construction industry safety and health regulations?
A structural drawing shows a beam labeled 'W12x26'. What does the '26' represent?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Related Study Resources
Previous Question
A grading plan shows a swale with a 2% minimum slope. If the swale is 150 feet long, what is the minimum elevation difference between the high and low points?
Next Question
A crane with a 150-foot boom is lifting a 5,000-pound load at a 75-foot radius. If the load chart shows a capacity of 8,000 pounds at this configuration, what is the safety factor being maintained?