What code restrictions can prevent using an open-loop geothermal system?
A) Some states have bans on any type of geothermal system.
B) Some states require all discharged water to stay on the owner's property.
C) Geothermal systems typically are not very efficient.
D) Patent and copyright laws often prohibit the use of open-loop systems.
B
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Which are correct comparisons between welded joints and mechanical couplings? Select all that apply.
A) Mechanical couplings can offer flexibility for thermal expansions. B) Mechanical couplings are more expensive to install. C) Mechanical couplings are stronger and less prone to leakage.
Harmonic balancers should be hammered into place using the correct size driver.
Answer the following statement true (T) or false (F)
Answer the following statements true (T) or false (F)
1. Fire-protection of structural steel framing members is mandated by building codes for all buildings. 2. Field bolting of steel members is generally preferred over field welding. 3. A shear connection between a steel beam and a steel column can be made without connecting beam flanges to the column. 4. A rigid connection between a steel beam and a steel column can be made without connecting beam flanges to the column. 5. A steel column may or may not need a base plate at the bottom.
A freeze frame is generated on an OBD-II vehicle ________
A) Every other trip B) When the PCM detects a problem with the O2S C) When a type C or D diagnostic trouble code is set D) When a type A or B diagnostic trouble code is set