When replacing an accumulator how much refrigerant oil should be added (typical)?
A) About 7 oz.
B) 2 oz.
C) No more than 0.5 oz.
D) None of these
B) 2 oz.
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The floor, ceiling, or roof assembly designed to resist in-plane (shear) forces is the _____.
a. diaphragm b. header c. lateral d. curtain wall
Shop towels are often dyed red. When they are exposed to battery acid or other acids, they turn black.
Answer the following statement true (T) or false (F)
Hard spots in a brake drum are caused by ________
A) Machining a drum at too high a speed B) Excessive heat and pressure C) Improper mounting of the drum on the lathe D) Machining a drum without using a rubber belt to damper out the vibrations
What stops air infiltration between the foundation and the sill plate?
A) Termite shield B) Air filtration system C) Latex sill caulk D) Sill sealer