Lubricants, Sealants, and Cleaners (12109-14)

Inactive cutting oils _______

release very little sulfur during cutting

Water is added to emulsifiable oils because of its ______

cooling properties

Aluminum oxide on aluminum conduit threads acts as a(n) _____

insulator

Typical pipe joint compounds ______

tend to shrink over time

One excellent resource related to the handling of various chemicals is _____

NIOSH

For oxygen lines, the generally recommended pipe joint compound is based on _______

PTFE

One characteristic of most pipe thread sealants is that ______

The paste hardens as it dries

Noncorrosive neutral cure RTV silicone adhesive is best used for ______

Electrical/Electronic bonding and aluminum

An exothermic reaction occurs whenever _____

The components of a two-part epoxy putty are combined

Which of the following is a true statement related to the storage and handling of sealants?

Most silicone sealants release vapors as they cure.

Which type of metal wool is generally graded by a number?

Steel

The proper wire brush to use on stainless steel has bristles of ______

stainless steel

Which of the following materials does not does not dissolve in water and therefore can damage the lungs without any warning signs?

Nitric acid

Due to the danger of explosion, petroleum-based cleaners must never be used as a cleaner for _____

air or oxygen systems

The electrical grounding of containers during transfer and/or mixing is typically required for _____

acetone