When should you replace a dry element filter?
What will be an ideal response?
You should replace it whenever the element becomes damaged or oily or appears to be restricting
airflow.
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The Civil War resulted in all of the following EXCEPT
A. expanded federal powers of taxation. B. the end of nullification and secession. C. the creation of the first federal social welfare agency. D. the end of slavery. E. the end of protective tariffs and isolationism.
What is the maximum distance between pitot tube measuring points in rectangular ducts?
a. 6 inches b. 10 inches c. 12 inches d. 24 inches
A system using R-404a has an evaporation temperature of 20°F. If the line length is 100 ft and a 7/8 in line is used, what is the maximum capacity of the system?
A) 2 tons B) 3 tons C) 2.5 tons D) 1.5 tons
Technician A says one must be trained in how to use an air-purifying respirator before using it. Technician B says with proper ventilation; a dust/mist respirator can be used for painting operations. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B