An injection cleaning machine is being discussed. Technician A says that the applied pressure should be between 75-90 PSI before starting the engine. Technician B says to pressure clean the fuel system using a 2:1 mixture of solvent to gasoline. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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What is the pressure acetylene is stored at in a standard acetylene cylinder?
A. 250 psi B. 1000 psi C. 1500 psi D. 2200 psi
A typical pressure gauge will read atmospheric pressure as 14.7 psi.
Answer the following statement true (T) or false (F)
How many wall ties are needed for a job requiring 20,750 engineered-size bricks if the spacing of ties is 24" x 16"? Round the answer to the nearest whole number.
What will be an ideal response?
How does a power burner differ from an atmospheric burner?
A) An atmospheric burner has a fan used to force air into combustion. B) A power burner uses air forced into the combustion area by a fan. C) Atmospheric burners are rarely used today. D) Power burners are primarily for residential use.