Why are the 90 percent condensing furnaces unique?
A) The flue-gas affects the venting material at a greater than normal rate.
B) The venting of this type of furnace is made of PVC and is easy to seal airtight.
C) The flue-gas is excessively hot and can cause fires if improperly used.
D) The venting material is rare, as it is no longer manufactured due to defects.
B
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____________________ is the growing and feeding of calves from weaning until they are ready to
enter the feedlot.
Fill in the blank(s) with the appropriate word(s).How many transplantings will be necessary if seeds are sown as directed?
A) One B) Two C) Three D) Four
To receive an injury due to an electrical arc flash:
A) The technician must touch an energized electrical source. B) Only needs to be standing in the vicinity of the arc flash. C) Must be unusually susceptible to electronic auras. D) Must complete a circuit with their body.
The tubing or pipe for natural gas supply to a gas heating unit is ____________________.
Fill in the blank(s) with the appropriate word(s).