Which of the listed methods is typical for assembling a preinsulated lagging panel in the shop?
a. Glue the insulation to the lagging with adhesive and band galvanized mesh to the back of
the panel.
b. Drill holes in the lagging and loop wires through the insulation and galvanized steel mesh
for securement.
c. Weld insulation pins to the back of the lagging and secure board insulation with pin clips.
d. Weld pins to the back of the lagging, impale the insulation, install metal mesh, and secure
with clips.
d. Weld pins to the back of the lagging, impale the insulation, install metal mesh, and secure
with clips.
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Match the type of pipe fitting to the description:
I. Plug II. Cap III. Bushing IV. Flange a. Used to close (seal) the open end of a pipe; may be threaded, glued, or welded. b. Threaded on both the internal and external surfaces; used to join two pipes of differing sizes. c. Consists of a mating plate used to join two pieces of pipe or a valve to a piece of pipe. d. Used to close the end of a piping run; the threading is male and fits into a female-threaded fitting; can be glued, threaded, or welded into place.
Compute the maximum available axial strength for a W8 x 48 structural steel column of A992 steel if the unbraced height is 14 ft . Assume K = 1, the average end conditions found in most steel construction.
What will be an ideal response?
The volume of a cone is given by 
, where r is the radius of the base and h is the height. Assume the height is measured to be h = 6.00 ± 0.01 cm and the radius is r = 5.00 ± 0.02 cm.
a. Estimate the volume of the cone, and find the uncertainty in the estimate. b. Which would provide a greater reduction in the uncertainty in V: reducing the uncertainty in h to 0.005 cm or reducing the uncertainty in r to 0.01 cm?
How do infrared heaters transfer heat?
A) They heat the air molecules, and the air heats the people in the room. B) They only heat objects that they are touching. C) Air is circulated over them and distributed via ductwork. D) They directly heat people and objects through radiation.