Technician A says that solvents with a flash point below 140°F (60°C) are combustible. Technician B says that solvents with a flash point above 140°F (60°C) are flammable. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
D
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Before the energy code requirement for continuous insulation came in force, the shelf angles for brick veneer support were anchored directly to the spandrel beam in a frame structure and the insulation was provided toward the outside of the shelf angle. With the requirement for continuous insulation, the insulation is sandwiched between the shelf angle and the spandrel beam. How then is the shelf
anchored to the spandrel beam? What will be an ideal response?
What can be done to counteract the loss of certain alloying elements such as chromium, vanadium, aluminum, titanium, manganese or silicon?
A. Do not use oxygen in the shielding gas. B. Use less oxygen in the shielding gas. C. Add a deoxidizer to the shielding gas. D. Add a deoxidizer to the filler wire.
The main valve in a pilot-operated four-way reversing valve is moved by pressure created by the ____.
A. refrigerant boiling in the coil B. pressure reduction in the condenser C. change in the action of the metering device D. low and high side pressure difference
In the accompanying figure, the dashed lines drawn between the push buttons indicate that they are ____________________ connected.
Fill in the blank(s) with the appropriate word(s).
