Which method of sizing flat roof drains is designed to remove roof water as quickly as possible using large conductors?
a. siphonic
b. controlled-flow
c. continuous flow
d. longest run
ANSWER: c
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Two technicians are discussing a system with a 2-speed fuel pump that starts and stalls. Technician A says the fuel pump could be bad. Technician B says the fuel pump resistor could be bad. Who is correct?
A.)Tech A only B.)Tech B only C.)Both Tech A and Tech B D.)Neither Tech A nor Tech B
To change a BCD number to a decimal number, separate the BCD number into ____________________, and write the decimal equivalent of each.
Fill in the blank(s) with the appropriate word(s).
The soil for indoor plants may contain _____
A) composted pine bark and sphagnum peat moss B) sphagnum peat moss, vermiculite, and perlite C) sphagnum peat moss, reed-sedge moss, and perlite D) all of the above
Consider a medium in which the heat conduction equation is given in its simplest form as 
(a) Is heat transfer steady or transient? (b) Is heat transfer one-, two-, or three-dimensional? (c) Is there heat generation in the medium? (d) Is the thermal conductivity of the medium constant or variable?