When a flexible metal chimney liner is used, the _____
a. liner must always be insulated with transite
b. liner may need to be a larger diameter than the correct size of smooth, rigid pipe
c. liner can be sized in the same way as solid metal vents
d. furnace must always be common-vented with the water heater
b
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Look up the numerical value for the following factors from the compound interest factor tables.
1. (F?P,10%,7) 2. (A?P,12%,10) 3. (P?G,15%,20) 4. (F?A,2%,50) 5. (P?G,35%,15) What will be an ideal response?
Although a true ____ exposure is desired to maximize solar contribution, it is neither mandatory nor always feasible.
A. northern B. southern C. eastern D. western
Normal combustion is being discussed. Technician A says water (H2O) is a by-product of normal combustion. Technician B says carbon dioxide (CO2) is a by-product of normal combustion. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Which of the following is NOT a function of the PCM?
A. Broadcast two-way mobile vehicle communications (telematics). B. Retain data in memory. C. Output command signals using drivers. D. Filter and prepare input signals.