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Question 1

A method of representing a three dimensional object

Answer 1

Orthographic Projection

Question 2

Front view is also referred to as the

Answer 2

key view

Question 3

Glass Box theory demonstrates what view

Answer 3

Third angle orthographic projection of an object suspended in a glass box

Question 4

The Front, Top, Right view in third angle plane of views are referred to as

Answer 4

Frontal, Profile and Horizontal view

Question 5

The difference between first and third angle projection

Answer 5

first angle- right view on left side of front view

third angle- right view on right side of front view

Question 6

3d view is called pictorial view. What are 3 views

Answer 6

perspective
oblique
isometric

Question 7

Drawing used in architecture and construction because drawing mimics the way eyes see an object.
Front view undistorted with top and right view tapering.

Answer 7

Perspective view

Question 8

Not common in mechanical trades because of distortion to round objects.
Front face undistorted, other sides are distorted in proportion to the angle and scale.

Answer 8

Oblique

Question 9

Common in mechanical trades for good representation of workpiece.
Front view has 30 angle front horizontal with all three axes 120 apart.

Answer 9

Isometric

Question 10

Object or visible line

Answer 10

Used to show shape of an object. Should be thick and dark.

Question 11

Centre line

Answer 11

Show a part is symmetrical.

Line is thin, broken, made of alternating long and short dashes.

Question 12

Hidden line

Answer 12

Some features of an object are hidden.

Line is made up of a series of medium dark short dashes.

Question 13

Dimension line

Answer 13

Used for placement of dimension.

Thin line with an arrow on each end to indicated the distance being dimensioned.

Question 14

Extension line

Answer 14

Pair of lines extending from an object. Signify the distance that is to be dimensioned.

Question 15

Leader line

Answer 15

Line leads from information to a particular area.

Thin line terminating with arrow, dot or tilde.

Question 16

Cutting plane

Answer 16

Signifies sectional view was taken.

Lines are thick, dark lines either broke or continuous with arrows at right angles

Question 17

Phantom line

Answer 17

Shows a mating, or moving part. Line is broken made up of a long dash followed by two short dashes.

Question 18

Drawings should have lettering in what font.

Answer 18

Upper case gothic

Question 19

BC

Answer 19

bolt circle

Question 20

BHC

Answer 20

bolt hole centre

Question 21

BCD

Answer 21

bolt circle diameter

Question 22

C to C

Answer 22

centre to centre

Question 23

CTRS

Answer 23

centrers

Question 24

D or DIA

Answer 24

Diameter

Question 25

TYP

Answer 25

typical

Question 26

CBORE

Answer 26

counterbores

Question 27

CSK

Answer 27

countersink

Question 28

Similar to counterbore but has no depth. | Main purpose to provide flat seat for head of bolt

Answer 28

Spotface (SFACE)

Question 29

CH or CHAM

Answer 29

chamfers

Question 30

Sizing of woodruff key first 2 number last 2 numbers

Answer 30

first 2 numbers x 1/32=width | last 2 numbers x 1/8=diameter

Question 31

What angles should chamfers be?

Answer 31

45

Question 32

What are 2 bearing types

Answer 32

plain | anti friction

Question 33

Full section

Answer 33

the cutting plane is straight and goes completely through the work piece

Question 34

half section

Answer 34

the cutting plane goes through only half the work piece, showing the inside and outside at the same time

Question 35

removed section

Answer 35

shows cross sectional shape of a work piece. A center line is used to show where the section was taken from

Question 36

revolved section

Answer 36

similar to a removed section, but the cross sectional shape of an object is revolved 90 degrees

Question 37

broken out section

Answer 37

shows only a small portion of a part. a broken line is used to isolate the piece that is to be sectioned

Question 38

offset section

Answer 38

cutting plane lines changes direction 90 degree several times to cut through features to be show in section

Question 39

aligned section

Answer 39

cutting plane line is rotated through various angles to align all the features