Machine Design In hydrodynamic bearings Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a bevel gear having the pitch angle θ, the ratio of formative number of teeth (TE) to actual number of teeth (T) is 1/cosθ 1/sinθ sinθ cosθ 1/tanθ 1/cosθ 1/sinθ sinθ cosθ 1/tanθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Unwin's formula, the relation between the diameter of rivet hole (d) and the thickness of plate (t) is given by (where d and t are in mm) d = 2√t d = 6√t d = √t d = 1.6√t d = 2√t d = 6√t d = √t d = 1.6√t ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following spring is used in mechanical wrist watch? Helical compression spring Belleville spring Spiral spring Torsion spring Helical compression spring Belleville spring Spiral spring Torsion spring ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Zero at the point other than centroidal axis Maximum at the neutral axis None of these Zero at the centroidal axis Zero at the point other than centroidal axis Maximum at the neutral axis None of these Zero at the centroidal axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. Fully Partially None of these Either A or B Fully Partially None of these Either A or B ANSWER DOWNLOAD EXAMIANS APP
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