Machine Design In hydrostatic bearings The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design A long helical spring having a spring stiffness of 12 kN/m and number of turns 20, breaks into two parts with number of turns 10 each in both the parts. If the two parts are connected in series, then the softness of the resultant spring will be 24 kN/m 30 kN/m 6 kN/m 12 kN/m 24 kN/m 30 kN/m 6 kN/m 12 kN/m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts will have equal strength, if Material of both the shafts is same Diameter of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same Material of both the shafts is same Diameter of both the shafts is same Angle of twist of both the shafts is same Twisting moment of both the shafts is same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Torsional stiffness of each shaft is the same Torque in each shaft is the same Shear stress in each shaft is the same Angle of twist of each shaft is the same Torsional stiffness of each shaft is the same Torque in each shaft is the same Shear stress in each shaft is the same Angle of twist of each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] σ [1 + (3a/b)] σ [1 + (b/2a)] σ [1 + (2a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Neutral surface None of these Upper surface Lower surface Neutral surface None of these Upper surface Lower surface ANSWER DOWNLOAD EXAMIANS APP
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