A termite shield is a continuous ____ shield that prevents termites from getting to the wood superstructure.
A. wooden
B. metal
C. concrete
D. masonry
Answer: B
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Indicate whether the statement is true or false
Voltage sources connected in series result in the total voltage ___________ but the ___________ flow remains the same.
a. increasing, current b. decreasing, current c. increasing, voltage d. decreasing, voltage
The effects of non-condensible gasses in the refrigeration system are (you may choose more than one):
A) Oil dilution B) Hot compressor C) Increased high side pressure D) Low side pressure in a vacuum E) Low capacity
Which of the following is the minimum-size bonding jumper to metal water piping systems in a multi-occupancy building in which the water piping of each unit is isolated from the others? The 400 A building service is supplied by 500 kcmil service- entrance conductors and each occupancy is supplied by a 100 ampere feeder.
A. 3/0 AWG copper B. 1/0 AWG copper C. 3 AWG copper D. 8 AWG copper