The two most common types of overcurrent protective devices are _____.

a. circuit breakers and fuses
b. heaters and blowers
c. Edison-base fuses and time-delay devices
d. safety switches and load centers


a. circuit breakers and fuses

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The column-to-beam connection can either be a shear connection or a moment connection. Which of these two connections is used in a braced frame?

What will be an ideal response?

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In the 17th century, wealthy European nations established imperial outposts in tropical regions thus

allowing for new plant discoveries and ____.

a. expanded trading routes and new buyers b. freer flow of exotic plants from native environments to the European continent c. a fuller understanding of plant taxonomy and medicinal usage d. miraculous advances in interior floriculture

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Which of the following is not a role of phosphorus in the plant?

A) structure of fatty acids B) membrane stability C) structure of RNA D) structure of DNA

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An inline 4-cylinder engine has a theoretric airflow of 290 CFM at its maximum engine speed of 7000 RPM. Assuming this engine operates with 90% volumetric efficiency, calculate the maximum airflow through to the engine. Round to the nearest whole number

What will be an ideal response?

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