Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up Bolts are weakest elements Bolts will not loosen during service The resultant load on the bolt would not be affected by the external cyclic load Joint may not open up ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is used for power transmission in one direction only? Acme threads Buttress threads Square threads Multiple threads Acme threads Buttress threads Square threads Multiple threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3 2.8 2.5 3.5 3 2.8 2.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency High efficiency Very fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is (p - d) t.σc p.d.σc n.d.t.σc p.t.σc (p - d) t.σc p.d.σc n.d.t.σc p.t.σc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regains its original shape after deformation when the external forces are removed Resists fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force ANSWER DOWNLOAD EXAMIANS APP