Technician A says that the back of all engine bearings should be lubricated during assembly. Technician B says that the face of the main and rod bearings should be lubricated before final assembly. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
B
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A Type B variable support is adjusted by turning the _____ until the load position indicator is in the proper position.
a. clevis rod b. spring can c. upper rod d. coupling
When an air handler has both a DX cooling coil and a hot water heating coil, which coil is located first in the airstream?
A) the hot water heating coil B) the two coils are in different airstreams C) the air does not travel over the hot water heating coil D) the DX cooling coil
Why would a 35°F medium-temperature case need to defrost?
A) It is common for water to freeze at 35° in higher elevations. B) The coil temperature for a 35°F box operates below freezing. C) A 35°F temperature case does not need to defrost. D) The store manager might decide to maintain a lower box temperature.
Express the angular speed of the earth in rad/s and rpm.
What will be an ideal response?