Type UF cable is used for ____ installations.
a. underwater
b. underground
c. utility
d. underdwelling
b. underground
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Increasing the armature spring force in a relay will result in _____.
a. higher drop-out values b. lower current values c. lower drop-out values d. lower pull-in voltage
The legal codes that established the system of segregation were
A. found only in the North. B. called Jim Crow laws. C. overturned by Plessy v. Ferguson. D. undermined by the crop lien system. E. unconnected to the informal separation of blacks and whites in the immediate post-Civil War years.
Water is absorbed from the soil by root hairs
Indicate whether the statement is true or false
The hourly heat loss of a building is needed in order to _____
a. select zone valves b. find the head pressure of a pump c. determine pipe friction losses d. find the required heating water flow rate