What must be considered when performing a heat load calculation for a walk-in cooler or freezer?
A) Heat transmission, air infiltration, and product load
B) The style of evaporator, the box temperature, and the type of refrigerant
C) Heat gain through the walls, floor, and ceiling
D) The volume of the case, the temperature to be maintained, and the air changes per hour
A
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In the MKS system, the main unit of magnetic measurement is the ____.
a. dyne b. gauss c. gilbert d. unit magnetic pole
?In addition to welding skills an entry-level welder must possess what workplace skills?
A. ?Teamwork, leadership, and integrity B. ?Honesty and organizational skills C. ?Time management and knowledge of the Equal Employment Opportunity law D. ?All of the above
The most important factor in choosing a puppy as a pet is not its sex or color, but rather its personality
A. True B. False
Which of the following is a common sense safety procedure that can help prevent electrical accidents?
- Make sure you know where electrical shutoffs are
- If an electric plug does not match the receptacle, alter it so it fits
- De-energize or turn off circuit breakers as needed
- Use extension cords whenever possible