When an appliance is _____________ vented, fresh air is brought straight to the unit through a pipe that runs from outside the building to the combustion chamber of the appliance.
A) direct
B) power
C) mechanical
D) induced
Correct Answer:
Verified
Q5: Which of the following is room air
Q6: Which of the following occurs when the
Q7: Which of the following are usually made
Q8: Which of the following is developed by
Q9: Which combustion control closes as soon as
Q11: Which of the following is produced by
Q12: What type of air is supplied through
Q13: Which category of appliances are positive vent
Q14: Which of the following occurs when all
Q15: When does secondary air combine with gas?
A)before
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