The amount of corrosion protection required in CFS members is generally
A) Cp50.
B) Cp30.
C) Cp40.
D) Cp60.
E) varies with the application.
E) varies with the application.
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Describe some of the characteristics that make the following processes irreversible:
(a) liquid water flowing through a pipe; (b) a block of lead being melted from the heat of a furnace; (c) air being compressed isothermally in a piston-cylinder assembly; (d) hydrogen and oxygen reacting to form water. What will be an ideal response?
The most common cause of airflow-related problems in air-conditioning units is:
A) Dirty air filters. B) Dirty condenser coils. C) Electrical issues. D) Low refrigerant charge.
Why should electric furnaces NOT rest directly on the ceiling joists?
A) Most electric furnaces cannot be installed in the horizontal position. B) Most electric furnaces are too heavy to be supported by ceiling joists. C) Most electric furnaces should have a 6-inch clearance to combustibles on all sides. D) The ceiling will act as a sounding board and transmit the blower sound throughout the house.
All of the following are parts of a balustrade except _____
a. a baluster b. a newel post c. nosing d. a handrail