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Year 1 Electrical BC > F2 > Flashcards

F2 Flashcards

1
Q

List the three main types of pictorial drawings

A

obliques
isometrics
perspectives

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2
Q

Describe: oblique drawing

A

the base line is drawn on the horizontal
projection lines extend at 45 degrees
details on the front view appear true

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3
Q

Describe: Isometric drawing

A

the base line is angled so that it cuts the horizontal at 30 degrees
Each of the three faces are distorted
A circular detail drawn on any face appears as an ellipse

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4
Q

Describe: Perspective drawing

A

made with one or more vanishing points
one vanishing point is a one-point perspective
two vanishing points is a two-point perspective

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5
Q

Describe: Orthographic projection (drawing)

A

shows all the views (elevations) of an object

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6
Q

Describe; Working drawing

A

may consist of a single drawing or a set of many drawings that provide all the info necessary to construct a part, machine or structure

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7
Q

Describe: Working detail drawing

A

provides all of the information that is necessary to construct an object

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8
Q

Describe: Working assembly drawing

A

shows how all of the parts fit together, and identifies each part on a list adjacent to the drawing

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9
Q

List the major division of a construction drawing

A

architectural
structural
mechanical
electrical

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10
Q

What is a blueprint

A

large number of exact copies of a drawing

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11
Q

List the five main types of working drawings

A 
site/plot plans
plan drawings
elevation drawings
sectional drawings
detail drawings
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12
Q

Describe: Site/plot plans

A

top view of an entire property with buildings drawn in their proper locations

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13
Q

Describe: Plan or architectural drawing

A

most frequently used
concentrates on the inside
shows dimensions
indicates wall and floor finishes

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14
Q

Describe: Elevation drawings

A

is a front view of an object or structure
used to show how completed building will look
Elevations are usually referred to by compass points

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15
Q

Describe: Sectional drawings

A

shows the hidden detail beneath the surface

the precise location or cut of a sectional view is given in another drawing

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16
Q

Section reference symbol or eyeball

A

is another method of identifying the location of a section drawing

17
Q

Describe: Detail drawing

A

shows a small part of the entire project in great detail

18
Q

Describe: Shop drawing

A

is used to manufacture equipment that will be installed in a building
usually have a top, front and side view
may also have a pictorial for a 3D reference

19
Q

Describe: As-built drawings

A

to keep record of how the project was actually built

helpful when repairing or renovating

20
Q

Drawing conventions: Index page

A

consists of all the drawings in the set and acts as a table of contents

21
Q

Drawing conventions: Title Block

A 
lists pertinent information about the drawing
revisions
seal of authenticity
name and address of project
person who made the drawing 
person who check the drawing
date
22
Q

Drawing conventions:Revisions

A

must be recorded on the title block

23
Q

Drawing conventions:Scales

A

always shown on the tile block

the first number on the scale refers to the drawing

24
Q

Drawing conventions:Reference lines

A

Grid lines

Bay lines

25
Q

Describe: Grid lines

A

are evenly spaced
identified by a letter across the top of the page
identified by a number along the side

26
Q

Describe: Bay lines

A

are often irregularly spaced but tie into a particular feature of the structure itself

27
Q

Drawing conventions: Keys and legends

A

used to indicate what each of the symbols stand for.

28
Q

Drawing conventions:Notes

A

short pieces of text or script used to convey information that cannot be shown by drawing

29
Q

Drawing conventions: Schedules

A

present info in tabular form for easy reference
Lighting schedule
Transformer schedule

30
Q

Drawing conventions: Specifications

A

written description of work to be performed

good practice to install equipment as to the manufacturers specifications

31
Q

List two types of wiring diagrams

A

point to point

highway drawings

Year 1 Electrical BC (14 decks)

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