Under what conditions would a HID lamp require service?
What will be an ideal response?
1. One or both lamps do not come on.
2. Lamps do not restrike when they are hot.
3. The lamp is wearing out.
4. The amount of current supplied to the ballast is too low.
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Which one of the following statements on PLC 5 module addressing is NOT true?
A) The PLC 5 chassis is configured by setting switches. B) A second colon (:) follows the rack number and the final two digits are the terminal numbers or input or output image table bit numbers. C) An I is used for inputs or an O for outputs. D) A colon (:) is used as a delimiter between the I or O and rack number.
The MOST-Likely product of a body's mass and speed is:
A. inertia B. power C. momentum D. energy
When odor is a concern, a filter containing ____________________ should be used.
Fill in the blank(s) with the appropriate word(s).
A split system's data plate is useful because:
A) The factory charge is shown on the data plate. B) It provides instructions for proper evacuation of the refrigeration system. C) The detailed procedure for charging a new split system can be found it. D) It always shows how much refrigerant to add or subtract.