Which of the following are required by building codes in order to control the vertical extension of fire and smoke in high-rise buildings?

A. A central core floor plan
B. Enclosed elevator shafts and stairwells
C. Uninterrupted floor to ceiling glass curtain walls
D. That no floor be completely wide open and without subdivisions


Ans: B. Enclosed elevator shafts and stairwells

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Which of the following is a step in the typical start-up procedure of a boiler?

A. Inspect the outside of the boiler for loose flanges. B. Shut off the fuel. C. Shut off the steam. D. Gradually reduce the firing and the process flow.

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The ____________________ is gaining popularity because it can be adapted easily to most any compressor.

Fill in the blank(s) with the appropriate word(s).

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An important consideration for watering plants is to be sure to water shortly after the plant shows signs of wilting

Indicate whether the statement is true or false

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Space that is not rentable under a lease by the property owner, but is available for use by tenants and visitors to a property is known as ______________.