2-3-10
A convention is defined as a practice that has become the customary way of doing something. Select one: True False
True
Standards for symbols are never fixed because it is often necessary to add new symbols. Select one: True False
True
The National Electrical Contractors Association (NECA) is involved in publishing and distributing standard graphic symbols. Select one: True False
True
A shortened form of a word or phrase is called a(n) ? . a.abbreviation b.convention c.logo d.symbol
a.abbreviation
Symbols used to represent concrete, gravel, or sand are examples of ? symbols. a.architectural b.geological c.structural d.underground
a.architectural
The contour of the terrain directly under the outside conductor is shown with a ? line. a.broken b.dotted c.profile d.solid
a.broken
One-line diagrams are simplified versions of ? diagrams. a.complete b.conventional c.detail d.three-line
a.complete
The abbreviation CM 336 on a drawing would indicate ? . a.centerline measurement b.conductor size c.metric length d.metric volume
b.conductor size
When a fuse is shown on a drawing, a(n) ? could be used to show the amperage rating. a.abbreviation b.convention c.indicator d.reference
b.convention
The depth of a drilled hole would be shown in a ? drawing. a.mechanical plan b.mechanical section c.structural detail d.structural profile
b.mechanical section
Threaded bolts and rods are drawn with ? symbols. a.conventional b.hardware c.mechanical d.structural
c.mechanical
The ? for a distribution line shows roads, towns, and section lines. a.layout b.overview c.plan d.profile
c.plan
The ? drawing can be used to select the size of the poles that will provide sufficient clearance between the transmission lines and the ground. a.elevation b.line c.profile d.terrain
c.profile
Cross-hatching is made up of ? lines drawn at an angle. a.dashed b.dotted c.fine d.heavy
C. Fine
When special details need to be shown on an electrical drawing, one would use a ? drawing symbol. a.conventional b.section c.standard d.three-line
C. Standard
Structural symbols are normally used when indicating ? members. a.aluminum b.copper c.steel d.wood
C. Steel
A ? is designed to resemble an object, force, motion, or idea. a.benchmark b.profile c.standard d.symbol
D. Symbol
A blueprint has to be drawn either as standard or as one-line, not both. Select one: True False
False
The letters at the ends of the cutting plane line show the direction from which the section is viewed. Select one: True False
False
To avoid confusion, blueprints usually contain only a few abbreviations. Select one: True False
False
A ? is a method used for exposing the inside of an object as though it has been cut through. a.break out b.cut out c.fold out d.section
d.section
The two general classifications of electrical symbols are one-line and ? . a.analog b.composite c.digital d.standard
d.standard
The type of weld to be made on a piece of material can be shown with a ? symbol. a.fabrication b.mechanical c.plan d.structural
d.structural
SS is the abbreviation for ? . a.south b.stainless steel c.structural steel d.substation
d.substation
A(n) ? is added to a basic symbol to further clarify what is needed. a.amendment b.data line c.note d.variation
d.variation
