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