The central shear core in a steel-frame building
A) should consist of steel-braced frames along both directions of the building.
B) should consist of reinforced concrete walls in both directions of the building.
C) either A or B.
D) should consist of reinforced concrete walls in one direction of the building and steel-braced frames in the other direction.
C) either A or B.
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In the accompanying figure, why are both overload relays connected in series?
What will be an ideal response?
Technician A says residual fuel pressure should maintain above 21psi for 5 minutes. Technician B says residual fuel pressure should maintain above 26psi for 10 minutes. Who is correct?
A.)Tech A only B.)Tech B only C.)Both Tech A and Tech B D.)Neither Tech A nor Tech B
Three alternatives identified as X, Y, and Z were evaluated by the B/C method. The analyst calculated project B/C values of 0.92, 1.34, and 1.29. The alternatives are listed in the order of increasing equivalent total costs. The analyst is not sure whether an incremental analysis
(a) What do you think? If no incremental analysis is needed, why not; if so, which alternatives must be compared incrementally? (b) For what type of projects is incremental analysis never necessary? If X, Y, and Z are all this type of project, which alternatives should be selected based on the calculated B/C values? What will be an ideal response?
Compare coil design between older, less efficient air conditioning systems and newer high SEER air conditioning systems?
What will be an ideal response?