Machine Design Residual stress in materials Is independent of external loads Is always harmful Acts when external load is applied Becomes zero when external load is removed Is independent of external loads Is always harmful Acts when external load is applied Becomes zero when external load is removed ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following is a permanent fastening? Keys Rivets Bolts Cotters Keys Rivets Bolts Cotters ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to Is equal to cos φ multiplied by Is directly proportional to Does not depend upon Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which is correct statement? Stress concentration in static loading is Equally serious in both types of materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Very serious in brittle materials and less serious in ductile materials Equally serious in both types of materials Seriousness would depend on other factors Very serious in ductile materials and less serious in brittle materials Very serious in brittle materials and less serious in ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be 2 τ τ/2 4 τ τ 2 τ τ/2 4 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the keys are staggered at __________ along the circumference of the shafts in order to divide the weakening effect caused by key ways. 180° 160° 135° 90° 180° 160° 135° 90° ANSWER DOWNLOAD EXAMIANS APP
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