Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 1 to 2 5 to 10 3 to 5 0.5 to 1 1 to 2 5 to 10 3 to 5 0.5 to 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt p.d.σt p.t.σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resilience of a bolt may be increased by Decreasing its length Increasing its shank diameter Decreasing its shank diameter Increasing its length Decreasing its length Increasing its shank diameter Decreasing its shank diameter Increasing its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is an anti-friction bearing? Pedestal bearing Collar bearing Needle bearing Journal bearing Pedestal bearing Collar bearing Needle bearing Journal bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design The spring mostly used in gramophones is Volute spring Helical spring Conical spring Flat spiral spring Volute spring Helical spring Conical spring Flat spiral spring ANSWER DOWNLOAD EXAMIANS APP