Which of the following statements regarding chillers is true?
A) Flooded chillers have less potential for freeze-ups than others chillers.
B) Regional zone chillers are more cost effective than centralized units.
C) Dry (direct expansion) chillers require less refrigerant than flooded chillers.
D) Top-loaded chillers do not use the shell-and-tube arrangements.
C
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a. three c. seven b. five d. eight
What is the only displacement DDC manufactured for their post-2007, twin-actuator, EUI-fueled Series 60 engine?
A. 10 liter B. 11.1 liter C. 12.7 liter D. 14.0 liter
A right circular cone has a base diameter of 2.46 meters and a slant height of 3.20 meters. Compute the total surface area of the cone rounded to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).
A ____ is a cold-rolled angle attached to the concrete floor of the building that provides a continuous base to which the bottom of the sheeting panel can be attached.
A. base angle B. base-panel angle C. floor-panel angle D. sheeting angle