ALE EXAM 103

The construction manager orders concrete spacers blocks for footings. Which should he/she order?

• 75mm concrete spacers

• square concrete spacers

• cylindrical concrete spacers

• 50mm concrete spacers

Lap splicing shall be _________________ where possible.

• at same level

• same length

• temporary

• staggered

Lateral ties are used where?

• columns

• beams

• slabs

• footings

Galvalume is a type of what?

• roof paint

• roof coating

• roof insulation

• roof waterproofing

Answer explanation

However, galvalume may also refer to the roof panels or sheets that contain galvalume. Galvalume is actually a tradename. Roofing manufacturers have other tradename for it (ZAP 55 of Colorsteel). The coating is a mix of zinc and aluminum (hence the name) for optimal corrosion protection. Note that the use of galvalume is not exclusive to roofing, it can also be seen in other metallic products.

Which is a common gas used for gas-filled insulating glass units?

• argon

• oxygen

• carbon dioxide

• halon

Answer explanation

Argon is one of the most popular noble gas used for insulating glass units. Others include ordinary air, krypton or xenon.

What is the smallest GI pipe diameter typically used as scaffolding tubes?

• 1”

• 1.5”

• 2”

• 2.5

Which is used to connect scaffolding tubes at any angle?

• scaffold jack

• fixed coupler

• swivel coupler

• standards

Answer explanation

Also known as swivel clamps. Note the difference between fixed and swivel clamps.

A shoring jack is typicall installed _______________.

• vertically

• horizontally

• diagonally

• none of the above

Answer explanation

Shoring jacks are also known as jack posts.

Who is most qualified to design scaffolding systems?

• safety engineer

• safety officer

• contractor

• structural engineer

Answer explanation

Although civil engineers and structural engineers are sometimes interchangeable, the best answer is structural engineer. You can even see the term “structural engineer” in the 1989 Occupational Safety and Health Standards Rule 1414 which is about scaffolding systems.

Which is used provide a uniform surface to the foundation concrete and to prevent direct contact of foundation with the soil?

• vapor barrier

• lean concrete

• concrete spacers

• compacted fill