Exam Lesson Name: The Trades of Plumbing and Pipefitting Exam number: 286115RR
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Question 7 of 20
Select the best answer for the question
7. Which one of the following was once considered state-of-the art and is still used for control systems and instrumentation in buildings?
A. Steam
B. Brine
C. Compressed air
D. Deionized water

Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.