Technician A says that API GL-6 lubricant supercedes GL-5 and should be used in all current differential carriers. Technician B says that API GL-5 is extreme pressure (EP) rated for use in hypoid gearsets. Who is correct?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B
Answer: B
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Describe special-purpose rooms and give examples of the types of rooms in this category.
What will be an ideal response?
Technician A says that alignment sensor calibration is needed to compensate for bent wheels. Technician B says that sensor calibration is needed to compensate for uneven installation of the sensor on the wheel. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Smaller chillers typically use:
A) Centrifugal or rotary compressors. B) Centrifugal or screw compressors. C) Reciprocating or scroll compressors. D) Rotary or hermetic compressors.
Calculate the volume of material used in making 100 ft of 4-in. type K, copper tubing.
What will be an ideal response?