Machine Design The railway carriage couplings have Square threads Knuckle threads Buttress threads Acme threads Square threads Knuckle threads Buttress threads Acme threads 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 Dynamic load Static as well as dynamic load Completely reversed load Static load Dynamic load Static as well as dynamic load Completely reversed load 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 3.5 3 2.8 2.5 3.5 3 2.8 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 700 to 900°C 500 to 600°C 1300 to 1500°C 1100 to 1300°C 700 to 900°C 500 to 600°C 1300 to 1500°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and the plane of rotation None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation None of these Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of pitch circle diameter in millimeters to the number of teeth, is called Circular pitch Diametral pitch Module None of these Circular pitch Diametral pitch Module None of these ANSWER DOWNLOAD EXAMIANS APP
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