Which refrigerant is due to be phased out (no new refrigerant manufactured) by 2030?
a. HFC-410A
b. HFC-407A
c. HCFC-22
d. HFC-417A
c
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An electrical ____ is a tradesman who oversees and manages the building, maintenance, and troubleshooting of electrical and electronic systems.
a. apprentice b. inspector c. estimator d. foreman
On which of the two types of roofs (low-slope roofs and steep roofs) are the roof coverings more durable and why?
What will be an ideal response?
?While discussing magnetic pulse generators: Technician A says magnetic pulse generators can be tested with a lab scope.Technician B says the expected pattern is a DC signal. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
Which of the following statements is LEAST-Likely true?
A. Copper-plated sheet steel is used to make the tubing used for brake lines. B. Seamless tubing is one type of tubing made by rolling the steel sheet until it has two layers and one seam, providing a double wall. C. Sometimes the outside of brake tubing is surrounded by a coil of wire. D. Most brake tubing used on automobiles has an I.D. of 3/16" (4.76 mm).