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.Management Sciences
A. the oil film pressure is generated only by the rotation of the journal
B. the oil film is maintained by supplying oil under pressure
C. do not require external supply of lubricant
D. grease is used for lubrication
E. none of the above
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- Guest’s theory of failure is applicable for following type of materials_________________?
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- The fatigue limit of a material____________________?
- A. is greatly decreased by poor surface conditions B. remains same irrespective of surface conditions C. depends mainly on core composition D. is dependent upon yield strength of material E. none of the above...
- A tap bolt_____________________?
- A. has a head on one end and a nut fitted to the other B. has head at one end and other end fits into a tapped hole in the other part o be joined C. has both the ends threaded D. has pointed threads E. requires locking devices...
- The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for_________________?
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- If threads on a bolt are left hand, threads on nut will be_____________________?
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