Why is nitrogen used to purge the system before using the flushing solvent?
A) Nitrogen is cheaper.
B) Nitrogen is more effective.
C) Nitrogen will blow open the clogs
D) The flush is activated by the presence of nitrogen
A
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The time interval between two successive peaks of a sustained sine wave on a Ziegler-Nichols graph is the ____.
A. ultimate gain B. ultimate proportional band C. ultimate period D. all of the above
What is the purpose of a “limitation of liability” clause and how is the maximum amount of damages determined?
What will be an ideal response?
Technician A says that a tire pressure monitor system that uses a valve-stem-type transmitter is the direct reading type of TPMS. Technician B says that a tire pressure monitoring system that uses a sensor inside and strapped to the wheel is an indirect reading type of TPMS. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Which of the following is a correct statement?
a. Flexible duct vapor barriers are typically made from rubberized canvas. b. Flexible duct can be compressed so that a long section can fit into a much smaller box. c. Most flexible duct has an R-value of at least R-24. d. Flexible duct is an excellent choice for use near ultraviolet light accessories.