Proper sizing of a storm drainage system requires the plumber to know the maximum expected rainfall during a given period, and the _____.
a. designed rate of removal
b. slope of the horizontal branches
c. vertical conductor diameter
d. size of the runoff receptacle or basin
a. designed rate of removal
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Which of the following materials would be used in masonry?
a. brick b. concrete block c. stone d. all of the above
If the phase angles of two sine waves are both 00, then the waves _____.
a. are in phase b. are 90 out of phase c. have the same peak voltage d. have the same amplitudes
If a conductor carrying electrical current is formed into a coil, the strength of the magnetic field generated by the wire will increase.
Answer the following statement true (T) or false (F)
Technician A says that with a properly operating air conditioning system, the compressor clutch should be engaged. Technician B says that the condenser should be hot and the evaporator cold. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician