Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Feather key Wood ruff key Flat saddle key Gib-head key Feather key Wood ruff key Flat saddle key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design The connecting rod bolts are tightened up with initial tension greater than the external load so that Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Bolts will not loosen during service Joint may not open up Bolts are weakest elements The resultant load on the bolt would not be affected by the external cyclic load Bolts will not loosen during service Joint may not open up 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 2.5 3.5 2.8 3 2.5 3.5 2.8 3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston pin bearings in heavy duty diesel engines are Needle roller bearings Spherical roller bearings Tapered roller bearings Cylindrical roller bearings Needle roller bearings Spherical roller bearings Tapered roller bearings Cylindrical roller bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design Eye bolts are used for Transmission of power Foundation purposes Absorbing shock and vibrations Lifting and transportation of machines and cubicles Transmission of power Foundation purposes Absorbing shock and vibrations Lifting and transportation of machines and cubicles ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tube has the following advantage over pipe Greater shock absorption Lighter and easier to handle Smoother inside walls All of these Greater shock absorption Lighter and easier to handle Smoother inside walls All of these ANSWER DOWNLOAD EXAMIANS APP