Machine Design In a hydrodynamic lubricated bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing The lubricant is forced between the journal and the bearing, by external pressure There is a thin film of lubricant between the journal and the bearing There is no lubricant between the journal and the bearing There is a thick film of lubricant between the journal and the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the External load applied Initial tension Sum of the initial tension and external load applied Initial tension or external load, whichever is greater External load applied Initial tension Sum of the initial tension and external load applied Initial tension or external load, whichever is greater ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Greater than 30d Between 20d and 30d Equal to inside diameter of pipe Less than 20d Greater than 30d Between 20d and 30d Equal to inside diameter of pipe Less than 20d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to T/2 4 T 2 T 1 T T/2 4 T 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kf + 1)/ (Kt + 1) (Kt - 1)/ (Kf - 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? Chain drive V-belt drive Crossed flat belt drive Rope drive Chain drive V-belt drive Crossed flat belt drive Rope drive ANSWER DOWNLOAD EXAMIANS APP