____ is used over joists to form a working platform.
a.Subflooring
b.A scratch coat
c.Grading
d.Cross-bridging
ANS: A
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The device shown in the figure above is used to _____.
a. attach a fitting to pipe
b. make a permanent leak repair on pipe
c. make temporary leak repairs on pipe
d. attach a pipe hanger
Which of the following is a factor affecting the rate of water vapor diffusion through an insulating material?
a. Atmospheric pressure b. The sizes of water molecules c. The way it is measured d. The material it diffuses through
Technician A says that most transfer cases have a built in oil pump. Technician B says that most transfer cases use a heavy grease as a lubricant. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Point-to-point diagrams are useful for determining:
A) The unit operating sequence. B) The actual wire routing to and from each terminal connection. C) The circuit logic. D) What size power wire is required for the unit.