When main bearing shells are installed to an engine cylinder block, what should be used to lubricate the backing plate?
A. nothing
B. engine lube
C. lubriplate
D. silicone
Answer: A
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Problem 1.34 A 240-kip load P is applied to the granite block shown. Determine the resulting maximum value of (a) the normal stress, (b) the shear¬ing stress. Specify the orientation of the plane on which each of these maximum values occurs.
Research the largest cruise liner currently in use. List the key features of the vessel, including number of cabins, maximum number of passengers, number of crew, tonnage, maximum speed, and type of main engines and propulsion system.
What will be an ideal response?
Working with electricity in wet areas is always safe
Indicate whether the statement is true or false
It is important to the HVACR technician to understand the changes of state of matter because:
A) The refrigerant recovery process requires a technician to know which state the matter is in to ensure that only like refrigerants are put into a recovery container. B) Technicians are required to mix refrigerants to attain proper pressures and temperatures when charging refrigeration systems. C) NATE certification exams require a good understanding of the periodic table of elements. D) The cooling and heating process requires a change of state of matter in some form.