Flashcards in Blueprints Review Deck (36):
T/F When looking at a print that contains scaled dimensions and written dimensions, the scaled dimensions should always be used.
T/F The ruler is a hand-held device used to layout repetitive distances on prints.
T/F Standard practice should be used when installing a device in a wall when the mounting height is not listed on the print or in the job specifications.
T/F NICET is the responsible organization for standardization of symbols.
F - ANSI
Multiple Choice: The distance an object is from a known ____ point on a print is defined by the location dimensions.
a. Feature c. Starting
b. Reference d. Base
Multiple Response: Symbols are used on blueprints for which of the following reasons:
a. Standardize Notations d. Simplify
b. Update e. Revise
c. Save Space f. Clarify
a. Standardize Notations
c. Save Space
Multiple Response: Which of the following are reasons for the use of symbols on prints?
a. Easier to Read c. Standardize Notation
b. Save Space d. Simplify Notation
b, Save Space
c. Standardize Notation
d. Simplify Notation
Which scale is based on tenths or hundredths of an inch?
Which scale uses the 1/2 or 1/4 size concept?
Which scale most often used for large plot plans has a scale like 1" = 50'?
Which scale most often common on prints used in the building trades has a scale like 1/4" or 1/8" = 1'?
The hand-held device used to draw circles is the ____.
The hand-held instrument used to layout irregular angles is the _______.
The print that shows the location of the structure relative to the lot, road or other structure is the ____.
Site plans or plot
a. Lists current, voltage, and load information for circuits and circuit breakers.
b. Lists lighting or motor control information by room, circuit designation, and contractor or connections.
c. Includes information relating to window and door size, shape, material, and ordering information.
d. Used to determine the voltage, current, and power requirements for motors and other electrical equipment, as well as wire sizes and run information for the various machinery.
e. Gives pertinent information regarding walls, ceilings, and floors for each room.
____ Panel Schedule
____ Room Schedule
____ Window and Door Schedule
____ Control Schedule
____ Equipment Schedule
a. Panel Schedule
e. Room Schedule
c. Window and Door Schedule
b. Control Schedule
d. Equipment Schedule
Short Answer: What is a Legend used for on blueprints?
It's a description of the symbols used
Short Answer: Who are are the only three people who can make, or "OK" changes to job specifications?
Architect, Engineer, Owner
Short Answer: What is the difference between an isometric and oblique projection?
Isometric: 30 degrees off horizon
Oblique: 45 degrees off horizon
Short Answer: Where can a person find what a print symbol means that is unknown?
Book of Standards
Short Answer: When print changes are made by an architect or engineer, what should be done?
A new copy is sent to the job site, put as builts on new print, trash the old ones.
Short Answer: What is the general purpose of notes that relate to blueprint reading?
Shows additional notes/information that is difficult to tell from existing dimensions.
Short Answer: Describe the function of object lines.
Short Answer: Describe the function of a cutting plane line.
To visually carve an internal section out of a drawing or feature for further inspection.
Short Answer: Describe the function of extension and dimension lines.
Extension tells where dimension starts and ends. Dimensions tells the size.
Short Answer: Describe the function of leader lines.
Indicates a specific drawing notation, gives dimension or irregularly shaped dimension.
Short Answer: Describe the function of the riser diagram.
Shows quantity of devices per floor per circuit.
Short Answer: What computer program is used for most drawings in our industry and why>
CAD - it's more flexible and efficient than drawn prints.
Define the following:
a. job specification
d. change order
a. job specification - list of detailed job requirements under which all work must be performed.
b. addendum - a change to prints before bids are open.
c. revision - a dated change to blueprints.
d. change order - a change to a project that occurs after bids have been opened.
e. as-built - set of drawings that indicates exactly how the job was completed.
Define each legend notation:
MC: main cross connect
ER: equipment room
TC: telecommunication closets
WA: work areas
S: station equipment
EF: entrance facilities
IC: Inter cross connects
X: cross connect
EOL: end of line
Short Answer: What is the function of auxiliary views?
Show parts of a drawing that are too small or not visible from a standard view.
Short Answer: What is the function of a section view?
Enlarged drawing for further inspection to show detail.
Short Answer: What is the function of isometric pictorial views?
Semi-pictorial view of an object.
Short Answer: What is the function of a perspective view?
Presentation or sales view.
List the three most common types of prints and identify which is the most commonly used by the electrician.
3. Floor -> Most common
Essay: When you cannot find the mounting height for a piece of equipment on the prints or in the job specifications, what should you do?
Use the standard practice - and since this is an essay, I'd explain the standard practice a little more.