What is the maximum safe amount of refrigerant for a recovery cylinder with a water capacity of 50 pounds, holding a refrigerant with a specific gravity of 0. 9?
A) 50 lbs × 0. 8 = 40 lbs B) 50 pounds
C) 50 lbs × 0. 8 × 0. 9 = 36 pounds D) 50 lbs × 0. 9 = 45 lbs
C
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Assume the firm graphed below is in Long-run equilibrium. Given this graph, please fil in the following blanks:
a.What level of output would this firm choose to produce ________. b.This firm can be referred to as a ________ because of its market structure. c.The firm's total revenue in the current period is equal to ________. d.The firm's profit in the current period would be equal to ________. The firm's total costs in the current period would be equal to ________, which consists of ________ in variable costs and ________ in fixed costs.
For a three-phase system, the maximum voltage imbalance allowed is _____.
a. 2% b. 5% c. 10% d. 20
The use of pickling as a method of preserving food is only about 20 years old
Indicate whether the statement is true or false.
If the oil pressure warning lamp on a General Motors vehicle is on all the time, yet the engine oil pressure is normal, the problem could be ________
A) Defective (shorted) oil pressure sending unit (sensor) B) Defective (open) oil pressure sending unit (sensor) C) Wire shorted to ground between sending unit (sensor)and dash warning lamp D) Either A or C