Use Figure 26-25 to determine the refrigerant velocity through a 7/8" suction line on a walk in cooler with a capacity of 2 tons, an evaporator saturation temperature of 20°F, and a condenser saturation temperature of 100°F
What will be an ideal response?
Approximately 2900 feet per minute
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Which of the following is the least likely to cause an engine noise?
A) Cracked exhaust manifold B) Loose accessory drive belt C) Vacuum leak D) Carbon on the pistons
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If there are 20 working days in a month, the monthly usage is 660 units, and there are 100 units on hand, approximately how many days' supply are there?
A) 33 B) 7 C) 3 D) 5
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Which situation most often results in hearing loss in a shop environment?
A. An individual incident. B. Improperly maintained air tools. C. Years of exposure to repetitive and excessive noise levels. D. Shop noise exceeding 160 decibels.
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_____ is creating technical drawings.
A. Designing B. Drafting C. Computer-aided drawing D. Modeling
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