Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 67.5° 22.5° 45° 90° 67.5° 22.5° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The anti-friction bearings Have low starting and low running friction at moderate speeds Have high initial cost All of these Can carry both radial and thrust loads Have low starting and low running friction at moderate speeds Have high initial cost All of these Can carry both radial and thrust loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston pin bearings in heavy duty diesel engines are Needle roller bearings Tapered roller bearings Spherical roller bearings Cylindrical roller bearings Needle roller bearings Tapered roller bearings Spherical roller bearings Cylindrical roller bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than 2.5 d 2 d 1.5 d d 2.5 d 2 d 1.5 d d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to Static load Static as well as dynamic load Dynamic load Completely reversed load Static load Static as well as dynamic load Dynamic load Completely reversed load ANSWER DOWNLOAD EXAMIANS APP
Machine Design For crank shaft bearings, the ratio of the length of the journal to its diameter is_________. Equal to 1 None of these Greater than unity Less than unity Equal to 1 None of these Greater than unity Less than unity ANSWER DOWNLOAD EXAMIANS APP
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