What smoke spot number represents correct combustion?
What will be an ideal response?
Always less than 2. Around 1 for older style burners, 0 for newer burners.
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In the spring Mr. Chen top-dressed the 15 acres of sod with 110 pounds per acre of 46-0-0 urea at $505 per ton. He applied 2.2 pints of herbicide per acre at $48.50 per gallon.
a. How many pounds of nitrogen were applied per acre? b. How many pints of herbicide were applied? c. What was the cost of the herbicide and fertilizer?
What are five benefits of using the ethylene biosynthesis inhibitor Retain®?
What will be an ideal response?
?____ welding was introduced first.
A. ?Forge or hammer B. ?Resistance C. ?Fusion D. ?Oxyacetylene
GM Class 2 communication toggles between ________
A) 0 and 12 volts B) 7 and 12 volts C) 5 and 7 volts D) 0 and 7 volts