Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 20, Problem 15R
What is the first step in the sequence of mathematical operations?
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a diagonal of a polygon is a line segment that connects nonadjacent vertices of the polygon.in the following polygons, a triangle has 3 sides and 0 diagonal, a quadrilateral has 4 sides and 2 diagonals, a pentagon has 5 sides and 5 diagonals, a hexagon has 6 sides and 9 diagonals. predicts the number of diagonals in a 12-sided polygon.
Page 6 of a
Another name for "SIZE DESCRIPTION" is:
A Dimensioning.
B Orthographic projection.
C Assembly drawing.
D Pictorial drawing
What is the length to width ratio of arrowheads?
A 1:1
37
42
в 2:1
С 3:1
D 5:1
Leader lines should NOT be drawn:
38
"2X on a hole note means:
43
A At 45°.
A Double the size of the hole.
B At 30°.
C At 60°.
D Horizontally or Vertically.
B Reduce the stated size by 1/2.
C The scale of the hole is doubled.
D There are two boles the same size.
Extension lines are drawn:
39
Avoid dimensioning to:
44
A Extremely thick,
A Hidden lines.
B Thick.
B Center lines,
C Thin.
D Extremely light.
C Extension lines.
D Holes.
What is the standard length for arrowheads?
CIRCLE SIZE is specified by:
45
40
A 031 (.5mm)
B 063 (Imm)
A Chord.
B Circumference.
C Diameter.
C. 125 (3mm)
D 250 (6mm)
D Radius.
Dimension lines should be:
41
46
The size of an ARC is typically specified by its:
A Thick and dark.
A Diameter,
B Thick and light.
B Circumference.
C Chord.
C Thin and dark.…
Chapter 20 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 20 - What are two ways math is most commonly used in...Ch. 20 - What is the two-letter abbreviation for the metric...Ch. 20 - List factors that affect the cost of producing...Ch. 20 - List three examples of whole numbers.Ch. 20 - List three examples of decimal fractions.Ch. 20 - List three examples of a mixed unit.Ch. 20 - List three examples of fractions.Ch. 20 - Add the following angles: a. 3050+205 b. 2525+6245Ch. 20 - Subtract the following angles: a. 45481020 b....Ch. 20 - Using the Pythagorean theorem, find c if a=6 and...
Ch. 20 - Sketch a right triangle, equilateral triangle, and...Ch. 20 - Find the area of the following: a. Square that is...Ch. 20 - Find the volume of the following: a. 5 cube b. 10...Ch. 20 - What would the labor cost be if 20 hours were...Ch. 20 - What is the first step in the sequence of...Ch. 20 - If you need two pieces of pipe—one must be 15 ft...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many total feet of metal stock would you need...Ch. 20 - How many feet of scrap pipe will you have left...Ch. 20 - How much scrap pipe will you have once you cut out...Ch. 20 - When the denominators of two fractions to be added...Ch. 20 - How thick will the finished part be if two pieces...Ch. 20 - How much metal is left if 1/8 in. is ground off a...Ch. 20 - What is a dimensioning tolerance?Ch. 20 - What is the minimum and maximum length a part can...Ch. 20 - Give examples of welding applications where angles...Ch. 20 - Write the Pythagorean Theorem formula for a right...Ch. 20 - What is the name of a triangle where all three...Ch. 20 - Why is it important to know the perimeter...Ch. 20 - In what welding applications might you need to...Ch. 20 - List examples of fixed and variable costs that...Ch. 20 - List examples of overhead costs that a welding...Ch. 20 - When estimating weld cost, what weld joint design...Ch. 20 - When a weld is oversized, what joint failure...Ch. 20 - How does the bevel angle in a groove weld affect...Ch. 20 - What is the cross-sectional area of a V-groove...Ch. 20 - What is the cross-sectional area of a fillet weld...Ch. 20 - What two amounts must be multiplied to determine...Ch. 20 - How many pounds of steel electrode are required to...Ch. 20 - Not every pound of electrode filler metal used is...Ch. 20 - What does it mean if an electrode has a 50...Ch. 20 - What is the meaning of the term deposition rate?Ch. 20 - What factor is not included in the deposition...Ch. 20 - Why do flux cored wires have a higher deposition...Ch. 20 - If a welding project has a 45% operating factor,...
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