Deck 14: Hand Tools-Selection, Use and Care

Question 1

What is the difference in area between a square with sides measuring 16.0" and a circle with a diameter of 16.5"?

Answer 1

Square = 16" ´ 16" = 256 sq. inches Circle = 3.1416 ´ 8.25" ´ 8.25" = 213.82 sq. inches Square has an area that is 42.18 sq. inches larger than the circle

Question 2

How many sheets of 4' ´ 8' drywall are required to make 15 pieces that are 3¹/₂' ´ 4¹/₂'?

Answer 2

15 sheets -- only one piece can be cut from each piece of drywall

Question 3

Which is larger -- the perimeter of a 2' ´ 4' rectangle or the circumference of a circle with a diameter of 36"?

Answer 3

Perimeter = 2L + 2W = 12' Circumference = pi ´ D = 3.1416 ´ 3' = 9.425' Perimeter of rectangle is larger than circumference of circle

Question 4

Very often one of the steps to solving a combined-operations problem will be to get all of the known measurements into the same __________.

Question 5

Assuming the center of the first 2" ´ 4" stud is placed at the end of the bottom plate, how many studs are required for a 22' wall if the studs are placed 16" on center?

Question 6

The difference in area between a circle with a 20" radius and a circle with a 30" diameter is ____________________.

Question 7

How much money would be left in a $500.00 tool account after purchasing a battery drill for $149.95, a set of drill bits for $29.99, and a circular saw for $129.86?

Question 8

An electrician needs to make 3 conduit runs from one side of a warehouse to the opposite side of the building. If each run is 138' long, how much will be spent on conduit if it comes in 10' lengths and costs $2.81 for each piece?

Question 9

If employee A worked 6.5 hours a day for 7 days, employee B worked 9 hours a day for 6 days, and employee C worked 8.5 hours a day for 8 days, the total hours worked is ____________________ hours.

Question 10

A carpenter needs to make 45 right triangles that have a height of 48" and a base measuring 48". How many 4' ´ 8' sheets of plywood are required for this job?

Question 11

Name the two keys to solving a combined-operations problem.

Question 12

Which is larger in area -- a triangle with a height of 30" and a base of 15" or a circle with a diameter of 9"?