In dimensioning for a two-axis coordinate system, distances above the X axis are considered to be negative Y values.
Answer the following statement true (T) or false (F)
False
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Rule 2 for calculating rise-to-run ratio is stated as _____.
a. Tread width + riser height = 17" to 18" b. Tread width + (2 × riser height) = 24" to 25" c. Tread width + (3 × riser height) = 34" to 35" d. Tread width × riser height = 70" to 75"
The NEC® requires motor disconnecting means be _____.
a. 8 feet or more above the floor b. within sight of the controller location c. guarded d. installed so access is limited to qualified persons
Why should the evaporator NOT be installed above the door in a walk-in cooler or freezer?
A) It will draw in warm, humid air and frost more quickly. B) It will run constantly. C) It may cause problems for the store owner. D) There is no restriction for this location.
What is an advantage of digital thermometers?
What will be an ideal response?