Building Materials etc. Part B

When lifting an object, _______.

• Bend over as far as possible

• Lift with your legs not your back

• Try not to pass gas

• Use mostly your arm muscles

Which of the following statements about work gloves is not true?

• They should be worn whenever hand injuries are possible

• The size of the gloves does not matter

• They should be removed when working with rotating machinery

• They are considered personal protective equipment

To avoid costly damage to lumber and plywood, they must be ______.

• ordered in small quantities

• properly stored and handled

• stored off-site

• kept in a locked building

How many board feet are there in forty- 2"x4"x12" studs?

• 320

• 384

• 640

• 3,840

How many 4'x8' sheets of plywood will be needed for a roof that measures 26'x 48'?

• 23

• 30

• 39

• 44

A cubic yard of concrete contains how many cubic feet?

• 3

• 9

• 18

• 27

Use the chart to determine the length of a 20-penny nail.

• 10"

• 8"

• 6"

• 4"

A nail that is rectangular in cross section and has a blunt point is called a _______

• masonry nail

• casing nail

• cut nail

• T-nail

Which of the following statements about roofing panel nails is not true?

• They have either helical or plain shanks

• They are shorter and thicker than common roofing nails.

• They have a washer that serves as a waterproofing seal.

• They are used on fiberglass roofing panels

When driving wood screws in hardwood, it is usually necessary to____.

• apply considerable torque

• use a power screwdriver

• drill a pilot hole

• recess the screw head