A closed, compression expansion tank with an air/water interface needs to be located according to what guidelines? Select all that apply.
A) Connected above the air separator.
B) At the lowest pressure point of the system.
C) Above the highest point in the system.
A) Connected above the air separator.
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Which drawing provides a general overview of the process and contains few specifics?
a. PFD b. BFD c. P&ID d. UFD
Regarding field-fabricated, kit-form reusable insulation covers, which of the following statements is true?
a. There is only one manufacturer of effective reusable insulation cover kits. b. They are suitable for both above- and below-ambient service. c. They are suitable only for temporary insulation until permanent insulation can be installed. d. Some reusable insulation cover kits are suitable as primary insulation
Which of the following terms used by DDC to describe DDEC EUI fueling has the same meaning as split shot injection?
A. pilot injection B. detonation C. quiescent combustion D. maximizing injection pressure
When should hearing protection be worn when working in a typical truck shop?
A. When running a dynamometer B. When using some pneumatic tools C. When buck riveting D. All of the above