Describe the procedure for fastening bolts
What will be an ideal response?
The correct procedure for fastening bolts includes: selecting the type of head needed; drilling a hole in
both members the size of the bolt; placing a washer on the bolt if a machine bolt is being used;
inserting the bolt; adding a flat washer and nut; and, tightening the nut until the members are tight.
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If codes do not allow you to tack aligning dogs on the pipe, use _____ to hold them in place.
a. little tacks b. a ratchet tensioner and a chain c. a C-clamp d. a bar clamp
Which of the following fuel subsystem components would typically be located closest to the fuel tank?
A. primary filter B. transfer pump C. injection pump D. secondary filter
If you did not have factory instructions on setting the cut-out of a high pressure control, which of the following would most likely be acceptable for the outdoor unit you are working on?
a. Set the cut-out at 400 psig. b. Set the cut-out at a pressure equivalent to a 155° condensing temperature for that refrigerant. c. Set the cut-out at a pressure equivalent to 30° above the highest ambient the unit will probably encounter. d. Use the maximum setting on the high pressure control you plan to use.
The sensor that measures the temperature of the air being drawn into the engine is called which of these?
A) NTC thermistor B) IAT C) PTC thermistor D) Both A and B