Before checking a system's operating superheat, the technician should first check:
A) The compressor contactor. B) The condenser subcooling.
C) The evaporator airflow. D) The outdoor wet-bulb temperature.
C
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If governing regulations require extension ladders to be set at such an angle that the distance from the top support to the foot of the ladder is approximately one fourth of the working length of the ladder, how many inches should the base of a ladder with a 12 1/4-foot working length be from the scaffold end frame?
What will be an ideal response?
Technician A says that most hydraulic circuits use positive displacement pumps. Technician B says that pressure only results in a hydraulic circuit when some resistance to flow is provided. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
A stop sign controls all vehicles on the highway at a railroad crossing. Determine the minimum distance a building should be placed from the centerline of the tracks to allow a stopped vehicle to safely clear the intersection. Assume that the building is located 35 ft from the centerline of the near lane. The velocity of trains approaching the crossing is 70 mi/hr.
What will be an ideal response?
The ____ is the molding that goes against the wall around the frame.
A. stile B. jamb C. casing D. sill