In oilness bearings________________?

Machine Design 21/10/2020

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 required to be applied after some intervals
E. none of the above

Related Mcqs:

    Which of the following is not correct procedure to increase the fatigue limit_______________?
    A. cold working B. shot peening C. surface decarburisation D. under-stressing E. all of the above...
    Residual stress in materials_________________?
    A. acts when external load is applied B. becomes zero when external load is removed C. is independent of external loads D. is always harmful E. is always beneficial...
    The following type of nut is used with alien bolt____________________?
    A. alien nut B. hexagonal nut C. slotted nut D. castle nut E. any one of the above...
    The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is___________________?
    A. 0.01 micron B. 0.1 micron C. 1 micron D. 10 microns E. 25 microns...
    Jam nut is a locking device in which _____________________?
    A. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw C. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as … Jam nut is a locking device in which _____________________?Read More...

Leave a Reply

Your email address will not be published. Required fields are marked *