How many sections of 2' flue liners to the nearest whole flue liner are needed to line the chimney from its base to the top to build a single-wythe chimney for a 34' 3" tall appliance chimney having an 8" x 8" flue lining?
What will be an ideal response?
17
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A ground-fault protective device consists of a ground-fault sensor and a ____.
A. relay B. circuit breaker C. transformer D. fuse
Which of the following statements regarding steel structural connections is correct?
A. Most connections in a framed connection are riveted due to the superior strength of this connection method. B. Connection detail is a plan view of the connection with sections cut through it to show elevations of the connection. C. It is common practice to connect angles or any other connectors that are to be attached in the shop by bolting and then to make field connections by welding. D. A common connection method for joining beams to columns and beams to beams is a continuous beam connection.
The input speed sensor is also called a ________
A) Vehicle speed (VS) sensor B) Turbine speed sensor (TSS) C) Output speed sensor (OSS) D) Any of the above, depending on make and model
Humans can generally hear sounds that fall within the frequency range of:
A) 20 Hz to 20,000 Hz B) 4000 Hz and over C) 300 Hz to 4000 Hz D) anything below 20,000 Hz