?The extrudates at left are postformed into the shapes at right by being passed through____.
?
A. ?dies
B. ?rollers
C. ?spiders
D. ?orifices
Answer: B
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When a cooling system using true (premix) ELC needs to be topped up, which of the following is correct?
A. drain and flush system B. add premix C. add distilled water only D. add ELC and distilled water mixture
The ____ is a wide-ranging trade section of the specifications that includes items of work such as bulletin boards, canopies, signs, and folding partitions.
A. miscellaneous trade B. non-specific trade C. finish trade D. specialties trade
Effective delegation incorporates all the following steps EXCEPT
a. assigning responsibility to the subordinate. b. granting sufficient authority to do the job. c. making the subordinate accountable for results. d. closely supervising the subordinate following the delegation. e. giving the subordinate the power to accomplish the assigned task.
After refrigerant lines have been installed, they should be evacuated to a pressure of ____.
A. 28" vacuum B. 28" vacuum C. 5,000 microns D. 500 microns