Pattern/layout/math

Question 1

BC stands for

Answer 1

Bolt center or bolt circle

Question 2

BCD stands for

Answer 2

Bolt circle diameter

Question 3

BDC stands for

Answer 3

Bottom dead center

Question 4

Bl stands for

Answer 4

Bend line with a note to bend up or down

Question 5

C to C stands for

Answer 5

Center to center

Question 6

Cl or l overwritten the c stands for

Answer 6

Centerline

Question 7

C/W STANDS FOR

Answer 7

Complete or comes with

Question 8

Cir stands for

Answer 8

Circumference

Question 9

ID STANDS FOR

Answer 9

Inside diameter

Question 10

In.S. stands for

Answer 10

Inside

Question 11

LH stands for

Answer 11

Left hand

Question 12

O/C stands for

Answer 12

On center

Question 13

OD stands for

Answer 13

Outside diameter

Question 14

O.S. stands for

Answer 14

Outside

Question 15

Answer 15

Plate

Question 16

R or Rad stands for

Answer 16

Radius

Question 17

Sq. Stands for

Answer 17

Square

Question 18

TDC stands for

Answer 18

Top dead center

Question 19

This is a ? Used for

Answer 19

Bevel protractor get angles from 0 to 180 deg

Question 20

Nominal pipe size = to OD on pipe sizes

Answer 20

14” and up

Question 21

A metric reduced scale of 1:50 is

Answer 21

Actual object is 50x bigger

Question 22

Imperial scale of 1/4 (actual size 6’) .what is the drawing size?

Answer 22

1.5 ‘

Question 23

This is an example of

Answer 23

Conventional dimensioning

Question 24

This is an example of

Answer 24

Baseline dimensioning

Question 25

This is an example of

Answer 25

Running dimensions

Question 26

Answer 26

Question 27

Define chord

Answer 27

A straight line, not through the center of a circle touching the circumference at both ends

Question 28

Def bisect

Answer 28

Divide into 2 equal parts

Question 29

Oblique and Oblique parallel lines def

Answer 29

Lines not horizontal or vertical

Question 30

What type of pictorial drawing shows objects as they appear to the eye

Answer 30

Perspective

Question 31

Which type of drawing uses one orthography view with parallel lines receding off that view

Answer 31

Oblique

Question 32

Pitch is the ratio between rise and run. What dimension are they

Answer 32

Rise: vertical Run: horizontal

Question 33

Visual characteristics of hot rolled flat bar

Answer 33

Slightly rounded corners and grey millscale finish

Question 34

Cold rolled steel visual characteristics

Answer 34

Sharp corners and often clean scale free finish

Question 35

Arc length formula ? (On a circle)

Answer 35

Question 36

Find the arc length

Answer 36

Question 37

What is the pythagorean theorum

Answer 37

C2 = A2 + B2

Question 38

If the pitch of a roof is 4:12, and the run is 18' what is the run

Answer 38

Question 39

Answer 39

Question 40

Multiply 1/2 × 2/5

Answer 40

2/10

Question 41

1/2 ÷ 1/6

Answer 41

1/2 × 6/1 =6/2 =3

Question 42

What is the area formula

Answer 42

Question 43

Answer 43

Question 44

Convert 22.456' to feet + inches with denominator of 1/16

Answer 44

22' 5 1/2"

Question 45

Convert 19.123 feet to feet + inches with a denominator of 1/16

Answer 45

19' 1 1/2"

Question 46

Convert 1.57to %

Answer 46

157%

Question 47

Convert 148% to decimal

Answer 47

1.48

Question 48

Convert .883 to fraction

Answer 48

883/1000

Question 49

Convert 123% to fraction

Answer 49

123/100

Question 50

Circle circumference formula

Answer 50

C=pi×d or C=2×pi×r

Question 51

Area of a circle

Answer 51

Pi ×r squared

Question 52

Standard and schedule 40 have the same wall thickness upto :

Answer 52

10"

Question 53

Extra strong and schedule 80 pipe have yhe same wall thickness upto:

Answer 53

8"

Question 54

Number of welds

Answer 54

3

Question 55

% elongation formula

Answer 55

Question 56

Cost formula?

Answer 56

W × w × t × l W width T thickness L length

Question 57

Cost formula

Answer 57

Cd x lb/ft ×l C =standard shape ( ie c6 or c150) D = depth Lb/ft L = length

Question 58

Angle of 60 degree turn

Answer 58

Degrees of turn / # of welds 60/1

Question 59

Measure back

Answer 59

Od × tan angle of cut/2

Question 60

Degree of cut Measure back End peice Center peice formulas

Answer 60

Question 61

Major and minor axis

Answer 61