Dc Boiler Exam Actual Exam & Study Guide All Updated Questions And Correct Detailed Answers Already Graded A+

ACTUAL EXAM DC BOILER EXAM ACTUAL EXAM & STUDY GUIDE ALL UPDATED QUESTIONS AND CORRECT DETAILED ANSWERS ALREADY GRADED A+ A saybolt viscometer is used for _____. ANSWERS: testing and grading of oils A(n) _____ analysis determines the percentage of elements contained in coal, including carbon, oxygen, nitrogen, hydrogen, sulfur, and ash. ANSWERS: Ultimate A steam pressure gauge can be calibrated with a _____. ANSWERS: deadweight tester Electrostatic precipitators are used to ____. ANSWERS: remove fly ash and soot from the boiler exhaust The total pressure of a confined mixture of gases is the sum of the pressures of each gas in the mixture, known as ______. ANSWERS: Dalton's law Type L copper tubing is sized by ANSWERS: =nside diameter ACR tubing is sized by ANSWERS: Outside diameter When moisture is present in a refrigeration system it will react with the refrigerant and oil to form ____.ANSWERS: Acid The difference between system overshoot and system lag is called _______. ANSWERS: Temperature swing Typical superheat for an evaporator operating under normal conditions ANSWERS: 8-12 degrees Longitudinal Stress ANSWERS: (P x D x L) / 2t P = Pressure D = Diameter L = Length t = thickness of steel Boiler Heating