Which legal framework calls for a prohibition on venting ozone-depleting refrigerants,restrictions on the sale of ozone-depleting refrigerants, and certification of recycling and recovery equipment and technicians?
A) Geneva Convention B) Title VI of the Clean Air Act
C) Kyoto Accord D) Montreal Protocol
B
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Technician A says the ignition timing must retard as RPM increases. Technician B says ignition timing is retarded under maximum load. Who is correct?
A. Technician A B. Technician B C. Both A and B D. Neither A nor B
____stress is produced when vertical loads are applied to a member, creating a deformation in which parallel planes slide relative to each other.
A. Tensile B. Rotational C. Shear D. Compressive
Which of the following steel stud wall assemblies gives a higher overall R-value? In both assemblies, the total amount of insulation is R-15.
A) Assembly B has an exterior insulating sheathing of R-3 and within-stud insulation of R-12 B) Assembly A has an exterior insulating sheathing of R-5 and within-stud insulation of R-10
The two responsibilities of the pipefitter in preparing socket weld assemblies are _____.
a. welding and grinding the assemblies b. cutting and cleaning the assemblies c. preparing the pipe and fittings for assembly, and aligning the fittings and pipe d. scaling off the blueprint and machining the fittings