Moisture in a system reacts with refrigerant to form _____
a. an azeotrope
b. hydrochloric and hydrofluoric acids
c. a non-condensable contaminant
d. nitrogen
b
You might also like to view...
A type of welding clamp that is temporarily welded to the pipe is a(n) _____.
a. angle iron jig b. aligning dog c. lever-type clamp d. chain-type clamp
Mr. Mason planted 820 acres in corn. He applied 2.2 quarts per acre of an herbicide using a 60-foot sprayer. The herbicide is sold in 21/ /2-gallon containers at $95.76 per container. He planted 31,000 kernels of corn per acre using 80,000-kernel bags at $265 per bag, using a 12-row planter with 30-inch rows. He was able to travel 4.2 miles per hour with the sprayer and planter. He allowed an extra 20 percent of the total time for turning and filling. He applied 200-45-35 units of fertilizer per acre and used 6.5 gallons of row starter per acre. Mr. Mason used anhydrous as his nitrogen source. He used the items given in Table 4-1 for his fertilizer need.
a. How many days did it take to apply the herbicide and plant the corn, working 15-hour days?
b. How many bags of seed corn were purchased?
c. How many tons of fertilizer were used?
d. What was the total cost of the seed and fertilizer?
The larger the scale numer, the _______ the drawing will be.
Fill in the blank(s) with the appropriate word(s).
Utilizing a filter at decreased airflow levels will ________ the efficiency and ________ the pressure drop in the duct
A) decrease, decrease B) decrease, increase C) increase, decrease D) not change, decrease