When drawing a foundation with continuous footings and a post-and-beam floor system, which of the following should you represent first?
A. girders
B. interior piers
C. footings
D. stem walls
Answer: D
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What is the value of Z in the table below?
A) 1,500
B) 1,200
C) 150
D) 1,700
PROBLEM 3.72
One of two hollow drive shafts of a cruise ship is 125 ft long, and its outer and inner diameters are 16 in. and 8 in., respectively. The shaft is made of a steel for which ?all = 8500 psi and G = 11.2 × 106 psi. Knowing that the maximum speed of rotation of the shaft is 165 rpm, determine (a) the maximum power that can be transmitted by the one shaft to its propeller, (b) the corresponding angle of twist of the shaft.
Means shall be provided to disconnect all conductors in a building (or other structure) from the ____.
A. main feeder line B. auxiliary panel board C. primary panel board D. service-entrance conductors
Technician A says to mark the position of the U-joint before removing a driveshaft. Technician B says to use tape to help keep the U-joint end caps from falling off after removing the driveshaft. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technician a and B D) Neither Technician A nor B