Which type of ventilation opening is used to stop fire spread in a long, narrow building?
a. triangular
b. trench
c. peak
d. louvered
Answer: b. trench
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Which of the following is a true statement related to commercial load estimating?
a. It is never best to deal with core and exterior zones individually; always treat as a single space. b. Commercial buildings often experience their maximum need for heat in the middle of the day. c. The people load is handled the same as a residence (one person per room, plus one). d. The load may vary significantly as the day progresses, partly due to solar movement.
A 3000 pound vehicle is calculated to have a kinetic energy of 90,000 ft-lb at 28 mph. If the speed of the vehicle remains the same and the weight is doubled to 6000 pounds, what will happen to the calculated kinetic energy?
A) It will increase by the square (x 4), to 360,000 ft-lb B) It will remain the same C) It will increase proportionally (x 2), to 180,000 ft-lb D) None of these is correct
Explain why an owner would require bid bonds on a construction project
What will be an ideal response?
Notation is generally used to help the electrician interpret the meaning of certain components and find contacts that are controlled by coils.
Answer the following statement true (T) or false (F)