Capacitor-start capacitor-run motors that are not hermetically sealed contain a centrifugal switch to disconnect the start capacitor when the motor reaches about ____% of its full load speed.
a. 25
b. 50
c. 75
d. 90
c. 75
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The air temperature of the air off an evaporative cooler is ____.
A. warmer than the entering air B. cooler than the entering air C. the same as the entering air D. made up of sensible heat only
An iron?carbon steel, containing 0.5 percent carbon, has a microstructure consisting of 85 percent pearlite and 15 percent ferrite.
(a) Are these the amounts of the constituents that one would expect to find in the steel if it had been slowly cooled from the austenite region? (b) In a slowly cooled microstructure, pearlite normally has a 7 to 1 ratio of the widths of the ferrite and cementite lamellae. What would this ratio be in the present case?
List three types of takeoff fittings available for sheet metal duct
What will be an ideal response?
Before trying to gain information from the sections, study the floor, foundation, and framing plans and elevations to gain a general understanding of the structure.
Answer the following statement true (T) or false (F)