Machine Design In hydrodynamic bearings The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in the belt Decreases the power transmitted Is equal to maximum tension on the belt Increases the power transmitted Has no effect on the power transmitted Decreases the power transmitted Is equal to maximum tension on the belt Increases the power transmitted Has no effect on the power transmitted ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory is used for Ductile materials Brittle materials Plastic materials Elastic materials Ductile materials Brittle materials Plastic materials Elastic materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by ZN/p p/ZN Z/pN N/Zp ZN/p p/ZN Z/pN N/Zp ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cast iron pipes are mainly used All of these For conveying steam In pressure lubrication systems on prime movers In water and sewage systems All of these For conveying steam In pressure lubrication systems on prime movers In water and sewage systems ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a machine member is subjected to torsion, the torsional shear stress set up in the member is Zero at the centroidal axis and maximum at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member Zero at the centroidal axis and maximum at the outer surface of the member Zero at both the centroidal axis and outer surface of the member Maximum at the centroidal axis and zero at the outer surface of the member Maximum at both the centroidal axis and outer surface of the member ANSWER DOWNLOAD EXAMIANS APP
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