WorksheetsGrade 10 Technical Drafting_3 Qtr Reviewer
Total questions: 60
Worksheet time: 30mins
What is the main purpose of a foundation in a building?
To distribute the load of the structure to the soil
To improve the appearance of the structure
To serve as flooring material
To support interior decorations
Which foundation member directly distributes the building load over a large soil area?
Column
Footing
Beam
Slab
What type of footing supports a wall along its entire length?
Isolated footing
Combined footing
Wall footing
Cantilever footing
Which foundation type consists of a solid concrete slab poured directly on the ground?
Pier foundation
Slab foundation
T-foundation
Mat foundation
Why are symbols, notes, and dimensions carefully arranged on a foundation plan?
To make the drawing colorful
To reduce construction cost
To follow artistic design principles
To ensure the plan is uncluttered and readable
Why are footings made wider than the walls they support?
To increase concrete usage
To support finishing materials
To evenly distribute the structural load to the soil
To simplify construction
Which statement best explains the function of foundation walls?
They provide decoration to the structure
They transfer building load from above to the footings
They prevent soil erosion only
They support roof framing directly
When drafting a foundation plan in CAD, which command is mainly used to create the thickness of footings and stem walls?
OFFSET
TRIM
EXTEND
MIRROR
A single concrete column supports a concentrated load. Which footing should be used?
Continuous footing
Combined footing
Isolated footing
Wall footing
While drafting a foundation plan, which information must be clearly indicated?
Floor finishes and materials
Wall colors and details
Furniture layout and placement
Locations of footings, columns, and walls
A building has weak soil conditions across the entire site. Which footing is most appropriate?
Isolated footing
Cantilever footing
Wall footing
Mat (raft) footing
During CAD drafting, why should floor plan layers be frozen after tracing the foundation outline?
To delete unnecessary objects
To reduce file size
To prevent interference with foundation elements
To apply dimension styles
Two columns are close together and their individual footings would overlap. Which footing should be used?
Combined footing
Isolated footing
Continuous footing
Wall footing
Why is it important to follow the National Building Code standards when drafting foundation plans?
To improve drawing aesthetics
To ensure safety and structural stability
To reduce drafting time
To simplify CAD commands
You are tasked to draft a foundation plan for a small residential house. What should be your first step in the CAD process?
Add dimensions and notes
Print the drawing
Plan the drawing, layers, and loads to be supported
Insert symbols and text
What plan shows the arrangement and sizes of floor framing members such as joists and beams?
Structural floor plan
Foundation plan
Floor plan
Roof plan
Which framing member supports floor joists and transfers load to columns or walls?
Truss
Beam
Rafter
Stud
What roof framing member forms the highest horizontal line where two roof planes meet?
Hip
Hip
Ridge
Ridge
Valley
Valley
Eave
Eave
What type of truss has only one slope?
Hip truss
Common truss
Mono truss
Valley truss
Why are structural floor plans drafted based on the foundation and floor plans?
To ensure framing members align with supports below
To reduce drawing scale
To decorate the drawing
To simplify roof layout
Why are layers used when drafting structural floor and roof framing plans in CAD?
To organize drawing elements and ease plotting
To add color to the drawing
To increase file size
To limit drawing commands
Why is the roof framing plan usually plotted at a smaller scale than the floor plan?
Roofs are less important
Roof framing contains fewer details
Roof framing uses lighter materials
Roof framing covers a larger area
When drafting a structural floor plan in CAD, which should be drawn first?
Joists
Beams
Major framing members
Dimensions
You need to show the spacing and direction of floor joists. What drafting method is most appropriate?
Insert text only
Use joist symbols or blocks
Use hatch patterns
Use centerlines
Which layer name is most appropriate for placing floor framing dimensions?
WALL
TITLE TEXT
ROOF ANNO
BASE DIMS
A roof framing plan shows valleys where two roof slopes meet. What problem may occur if this area is improperly drafted?
Increased roof height
Water leakage
Poor lighting
Reduced room size
Why should upper and lower framing information be placed on separate layers?
To allow selective display and plotting
To increase drafting speed
To reduce drawing accuracy
To simplify commands
Alex Mason, a drafter, places roof trusses before identifying the roof outline. What drafting issue may result?
Misaligned framing members
Overlapping walls
Incorrect floor elevations
Excessive annotations
Why is correct beam and joist sizing important in structural floor plans?
To improve drawing aesthetics
To ensure the structure can safely carry loads
To reduce drawing time
To simplify roof design
You are tasked to draft a roof framing plan for an L-shaped house. What should you do first?
Add truss symbols
Add annotations and notes
Insert dimensions
Determine roof shape and ridge placement
What plan shows the locations of lighting fixtures, switches, convenience outlets, and wiring routes?
Structural plan
Electrical plan
Floor plan
Foundation plan
Which symbol is used to represent a convenience outlet in an electrical plan?
Circle with letter L
Triangle symbol
Small circle with two parallel lines
Square with cross
What device is used to control the flow of electricity to a light fixture?
Circuit breaker
Convenience outlet
Switch
Junction box
What electrical component protects circuits from overload?
Circuit breaker
Panel board
Switch
Lighting outlet
Why are electrical symbols standardized in drafting?
To ensure clear and universal understanding
To reduce drawing time
To make drawings attractive
To limit the use of text
Why should lighting and power layouts be planned before finalizing an electrical plan?
To follow architectural design only
To simplify CAD commands
To reduce printing cost
To minimize revisions and errors
Why are circuit numbers indicated in electrical plans?
For decoration
For estimating paint usage
To identify power distribution and load grouping
To increase drawing accuracy
When drafting an electrical plan in CAD, what should be drawn first?
Electrical symbols
Title block
Floor plan reference
Wiring routes
You are assigning outlets in a bedroom. What should you consider first?
Wall color and thickness
Furniture arrangement and room use
Ceiling height
Roof framing
Which layer name is most appropriate for placing lighting symbols?
WALL
ELECTRICAL-LIGHT
DIMENSION
TEXT
What problem may occur if too many outlets are connected to one circuit?
Circuit overload
Improved efficiency
Reduced drafting accuracy
Lower electricity cost
Why should switches be located near doorways in electrical plans?
For aesthetic purposes
For easy access and user safety
To reduce wiring length only
To follow architectural symmetry
An electrical plan shows outlets placed directly above sinks. What issue does this indicate?
Structural conflict
Incorrect scale
Poor lighting design
Electrical safety hazard
Why is it important to follow the Philippine Electrical Code when drafting electrical plans?
To improve drawing style
To limit the number of symbols used
To reduce drafting time
To ensure safety and proper installation
You are tasked to draft an electrical plan for a small house. What should be your first step?
Add circuit numbers and details
Insert electrical symbols
Analyze the floor plan and determine power and lighting needs
Plot the drawing immediately
What auxiliary system provides water supply to a building?
Electrical system
Sanitary system
Plumbing system
Structural system
Which plan shows the layout of pipes, fixtures, and drainage lines?
Electrical plan
Plumbing plan
Roof framing plan
Floor plan
What symbol represents a floor drain in auxiliary system layouts?
Small circle with grid lines
Square with diagonal cross
Circle with letter L
Triangle symbol
Which auxiliary system removes wastewater from a building?
Water supply system
Ventilation system
Sanitary drainage system
Fire protection system
Why are auxiliary systems drafted separately from architectural plans?
To reduce file size and image quality
To make drawings colorful and aesthetic
To clearly show system details without clutter
To simplify scaling
Why is proper pipe slope important in sanitary layouts?
To ensure smooth wastewater flow
To reduce material cost
To improve drawing appearance
To increase pipe length
Why are symbols and legends necessary in auxiliary system plans?
To decorate the drawing
To clearly identify system components
To replace dimensions
To reduce text usage and simplify
When drafting a plumbing layout in CAD, what should be prepared first?
Pipe sizes
Floor plan reference
Fixture symbols
Notes and legends
You are placing plumbing fixtures in a comfort room. What should you consider first?
Roof design
Wall finishes
Electrical circuit numbers
User convenience and code requirements
Which layer name is most appropriate for sanitary pipes?
AUX-SANITARY
WALL
DIMENSION
TEXT
What problem may occur if vent pipes are omitted in a sanitary layout?
Better water pressure
Improved drainage speed
Trap siphoning and bad odor
Reduced construction cost
Why should water supply and sanitary lines be placed on separate layers?
To allow selective viewing and editing
To increase drawing complexity
To reduce drafting accuracy
To simplify plotting scale
An auxiliary layout shows water pipes crossing electrical lines. What issue does this indicate?
Proper coordination
Correct drafting method
Efficient space use
Safety and design conflict
Why must auxiliary system layouts comply with the National Plumbing Code of the Philippines?
To enhance drawing appearance
To ensure safety, sanitation, and proper installation
To reduce drafting time and more relax time
To limit the number of fixtures and materials
You are tasked to draft an auxiliary system layout for a small residential house. What should be your first step?
Insert pipe symbols and fittings
Add dimensions and notes
Analyze the floor plan and determine fixture locations
Plot the drawing immediately
