1 Mechanical Technologist Study Guide / 13 Correct Questions &

A DAFT is an acronym meaning: {Ans: Dissolved Air Flotation Thickener.}A sodium hypochlorite tank's full working capacity is 23,000 gallons. Its current level is at 1,200 gallons. How many gallons does the delivery driver need to add to bring it to 70% capacity? {Ans: Solution: 23,000 gallons max capacity x 70% desired capacity = 16,100 gallons desired. 16,100 gallons desired - 1,200 gallons current level 14,900 gallons needed to add}Which welding process is most commonly used for small pipe maintenance welding? {Ans: Oxyacetylene gas welding}At what pressure rating would you use a blower instead of a fan? {Ans: 7 PSI}What is the conversion of 212 degrees Fahrenheit into Celsius? What is the conversion of 100 degrees Celsius into Fahrenheit? {Ans: C° = (F° - 32)/9 x 5 •Begin by subtracting 32 from the Fahrenheit number. •Divide the answer by 9. •Then multiply that answer by 5. To convert from Celsius to Fahrenheit: F° = (C° x 9/5) +32•Begin by multiplying the Celsius temperature by 9. •Divide the answer by 5. •Now add 32. =212 degrees F}What is the result if 6/8 " is converted to decimal form? {Ans: 6 / 8 = 0.75 or