Why is planned maintenance often performed during the off-season?
A) For more efficient use of service labor hours
B) Most equipment fails during the off season.
C) There are more daylight hours for working.
D) You can usually perform the maintenance without having to shut off the system.
A
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The size and spacing of the rafters vary depending on their ____ (weight they must support), among other things.
A. load B. pitch C. collar D. slope
The advantage of the backward curved centrifugal fan over the forward curved centrifugal fan is that
A) backward curved fans are normally quieter in operation B) backward curved fans are non-overloading C) backward curved fans operate at lower RPMs D) backward curved centrifugal fans are well suited for small airflow quantities
Piston balance is more important with in-line engines than with V-type engines. A. True B. False
What will be an ideal response?
Small openings of the stem of the plant that allow gases to exchange are called _____
A) petioles B) dicots C) whorled D) lenticels