?What happens to the outside of an exhaust pipe at the point of an internal restriction?
What will be an ideal response?
A dark ring appears
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CFS members are made by roll forming of
A) coils of sheet steel. B) flat sheets. C) either of the above two types of sheets depending on the type of roll-forming machine.
A technician measures a return air temperature at the furnace of 70°F and a supply air temperature of 180°F on a furnace whose temperature rise is rated at 40°F - 60°F. The technician should
A) Increase the gas manifold pressure to reduce the temperature rise B) Leave it alone, it is working great C) Increase the airflow to reduce the temperature rise D) Decrease the airflow to reduce the temperature rise
Technician A says that all gears with chips on their teeth should be replaced. Technician B says that burrs on the clutching teeth can be cleaned up using a small grinder. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The information used to identify a project or any part of the project is found in the _____.
a. notes b. coordinates c. title block d. drawing index