To add strength to the stair assembly, a pressure-treated 2 x 4 may be fastened to the floor to serve as a _____.
a. ledger
b. brace
c. strongback
d. purlin
Answer: A
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A(n) ____ is used to connect a lead from a component or connect a wire from an off-board component.
A. paper doll B. jumper C. autorouter D. pad
When troubleshooting the source of a transmission leaking oil from both the front and rear seals, which of the following should be checked out first?
A. air leaking into transmission housing B. input shaft bearings C. tailshaft bearings D. plugged breather
To check sheave wear:
A. See if the belt bottoms out in the sheave groove. B. See if the belts squeal because they can't grip theworn sheave. C. Measure each groove angle. D. All of the above answers are correct.
An efficient solution for circulation systems is a ____ that moves hot water to the fixtures only when needed, eliminating standby losses from the constant reheating of water in pipes.
A. continuous pump B. circulation pump C. thermosiphon pump D. demand pump