Using Figure 31-19, the suction pressure is 140 psig, the liquid pressure is 370 psig, and the ambient temperature is 105°F. What charge adjustment needs to be made?
What will be an ideal response?
Add charge, the system is undercharged.
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The underlined part of this thread note, 1/2–13UNC–2A, means:
a. threads per inch b. major diameter c. thread series d. class of fit
Which of the following statements correctly describes how the SQO sequences response to the first two scans of the processor?
A) If the rung is true at the time of the first scan and the position parameter is 0, then the data in the memory location at position 0 is NOT transferred to the destination register and the position pointer is NOT incremented. B) If the rung is false at the time of the first scan and the position parameter is 0, then the data in the memory location at position 0 is transferred through the mask to the destination register and the position pointer is incremented by 1. C) When the processor is first changed from the program to the run mode, the operation of the SQO instruction is dependent upon the condition of the rung (true or false) at the time of the first scan. D) After the first scan the sequencer operation is triggered by a false condition on the ladder rung.
What are simple drawings that show a general overview of a process and contain few specifics?
A. Block flow diagrams B. Process flow diagrams C. Utility flow diagrams D. Electrical diagrams
The portion of a planned maintenance call in which worn parts are replaced, filters are changed, and needed adjustments are made is referred to as:
A) Operational testing. B) Routine maintenance. C) Troubleshooting. D) The precheck.