Too high a gas flow results in a cut having excessive dross and sharply beveled sides.
Answer the following statement true (T) or false (F)
False
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Masonry cleaning products can be corrosive and toxic in nature.
Answer the following statement true (T) or false (F)
A knee in a leakage current-versus-voltage plot indicates a _____.
a. breakdown current b. charging current c. leakage current d. corona current
To increase the evaporator pressure, the adjustment on top of an automatic expansion valve should be:
A) Turned clockwise. B) Turned counterclockwise. C) Turned off. D) Turned on.
Answer the following statement(s) true (T) or false (F)
1. Silicone is a synthetic compound that is commonly used in lubricants, varnishes, and waterproofing products. 2. Silicon is a nonmetallic chemical element that is used in the manufacture of transistors and electronic computer chips. 3. The most widely used form of glass is soda-lime-silica glass. 4. Metallic oxides are added to give glass various colors. 5. Fiber optics is the branch of science that deals with transmitting data, voice, and images through thin plastic or glass fibers.