Technician A says that an orifice tube system uses an accumulator to store excess refrigerant. Technician B says that excess refrigerant in an expansion valve-type system uses a receiver-drier. Which technician is correct?
A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B
C
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What phenomenon do you observe when a cell phone is used while traveling a long metallic bridge?
What will be an ideal response?
ASTM specifications classify masonry mortar into Type M, Type S, Type N, and Type O. The mortar can be specified based on the volume proportions of its three ingredients (Portland cement, lime, and sand) or based the mortar's strength. In which situations is strength specification used?
What will be an ideal response?
High-temperature refrigeration applications will normally provide box temperatures of ____.
A. 20 to 40°F B. 32 to 50°F C. 47 to 60°F D. 50 to 67°F
Technician A says that aftermarket parts must meet more demanding criteria than OEM parts. Technician B says that the cost of an aftermarket part may be about the same as an OEM part from the dealer. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician