How often do UV lamps need to be replaced?
What will be an ideal response?
Every one to three years
You might also like to view...
Guides for cutting miters and for marking contours are known as _____ lines.
a. segment b. division c. ordinate d. lateral
Most of the openings in the body are lined with _____, a substance that traps and destroys bacteria and viruses
a. Alveoli c. Skin b. Mucous d. Antibiotics
With the compressor off, a technician compares the pressure of an air-cooled condenser with the pressure given on the PT chart for that refrigerant and temperature. The system pressure is considerably higher than the pressure indicated on the PT chart for that refrigerant and temperature. This indicates that:
A) The system has noncondensable gases in it. B) The system has been properly evacuated and charged. C) The system has been slightly overcharged. D) The system has been undercharged.
?What name describes an engine that can have a collision between the piston and valve when the timing chain or belt breaks?
What will be an ideal response?