Test Bank For Practical Problems in Mathematics for Welders - 6th - 2012 All Chapters - 9781111313593

Test Bank For Practical Problems in Mathematics for Welders
Unit 1


UNIT 1 ADDITION OF WHOLE NUMBERS

NUMERIC RESPONSE

1. An inventory of steel angle in two areas of a welding shop is 214 feet and 360 feet. What is the total
angle in inventory, in feet?

ANS: 574

PTS: 1

2. An inventory of steel angle in three areas of a welding shop is 97 feet, 51 feet, and 36 feet. What is the
total angle in inventory, in feet?

ANS: 184

PTS: 1

3. An inventory of steel angle in four areas of a welding shop is 13 feet, 47 feet, and 22 feet. What is the
total angle in inventory, in feet?

ANS: 82

PTS: 1

4. An inventory of steel bar in five areas of a welding shop is 97 feet, 47 feet, 102 feet, 51 feet, and 36
feet. What is the total bar in inventory, in feet?

ANS: 333

PTS: 1

Figure 1-1




5. Figure 1-1 is layout work for a welded steel bar. Determine the total number of inches of steel used to
make one bar.

ANS: 74

PTS: 1



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, Test Bank For Practical Problems in Mathematics for Welders
Unit 1



6. Figure 1-1 is layout work for a welded steel bar. Determine the total number of inches of steel used to
make two bars.

ANS: 148

PTS: 1

7. Figure 1-1 is layout work for a welded steel bar. Determine the total number of inches of steel used to
make four bars.

ANS: 296

PTS: 1

8. A welded steel framework consists of steel plate, 1,201 pounds; key stock, 14 pounds; bolt stock, 102
pounds; and channel iron, 648 pounds. What is the total weight of the framework, in pounds?

ANS: 1,965

PTS: 1

9. A welded steel framework consists of steel plate, 1,408 pounds; key stock, 34 pounds; bolt stock, 114
pounds; and channel iron, 638 pounds. What is the total weight of the framework, in pounds?

ANS: 2,194

PTS: 1

10. A welded steel framework consists of steel plate, 1,100 pounds; key stock, 42 pounds; bolt stock, 127
pounds; and channel iron, 362 pounds. What is the total weight of the framework, in pounds?

ANS: 1,631

PTS: 1




2

, Test Bank For Practical Problems in Mathematics for Welders
Unit 2


UNIT 2 SUBTRACTION OF WHOLE NUMBERS


NUMERIC RESPONSE

1. The shop in which you are working must fabricate 12 plates for a customer, but only 8 have been
made. How many more plates are needed to fulfill the customer’s order?

ANS: 4

PTS: 1

2. You must remove 47 pieces of sheet steel from your shop’s stock to complete a customer’s order, and
there are 356 pieces of sheet steel in inventory. Once the customer’s order is complete, how many
piece of sheet steel will remain?

ANS: 309

PTS: 1

3. As a welder, you must shear-cut 17 inches from a 58-inch-long piece of sheet steel. Once you remove
the piece you cut, how many inches will remain?

ANS: 41

PTS: 1

The inventory of a scrap pile is as follows:

Channel iron, 87”
Plate steel, 147”
Key stock, 45”
Pipe, 69”
Flat iron strap, 208”

A pipe support is welded using the following materials from the scrap pile:

Channel iron, 61”
Plate steel, 106”
Key stock, 39”
Pipe, 22”
Flat iron strap, 189”

4. How much pipe remains in the scrap pile, in inches?

ANS: 47

PTS: 1



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, Test Bank For Practical Problems in Mathematics for Welders
Unit 2



5. How much flat iron remains in the scrap pile, in inches?

ANS: 19

PTS: 1

6. How much channel iron remains in the scrap pile, in inches?

ANS: 26

PTS: 1

7. How much key stock remains in the scrap pile, in inches?

ANS: 6

PTS: 1

8. How much plate steel remains in the scrap pile, in inches?

ANS: 41

PTS: 1

9. From a pipe that is 56 inches long, you must cut one piece that is 12 inches and a second that is 20
inches. Once you are done, how long will the pipe be, in inches?

ANS: 24

PTS: 1

10. The inventory shows 28,144 pounds of plate steel. A storage tank is welded using 26,841 pounds of
plate steel. How many pounds of plate steel are left in inventory?

ANS: 1,303

PTS: 1




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