Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected All of these The effect of the restraining action of the heads at the end of the pressure vessel is neglected The tensile stresses are uniformly distributed over the section of the walls The effect of curvature of the cylinder wall is neglected All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at Just below the surface Within the core Surface None of these Just below the surface Within the core Surface None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration factor is defined as the ratio of Nominal stress to the endurance limit Nominal stress to the maximum stress Maximum stress to the endurance limit Maximum stress to the nominal stress Nominal stress to the endurance limit Nominal stress to the maximum stress Maximum stress to the endurance limit Maximum stress to the nominal stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct regarding power screws? The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% The efficiency of a self locking screw can not be more than 50% The efficiency of Acme (trapezoidal) thread is less than that of a square thread Both (A) and (B) If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a full journal bearing, the angle of contact of the bearing with the journal is 120° 270° 180° 360° 120° 270° 180° 360° ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against corrosion Protecting metal against wear and tear Determining brittleness Experimental stress analysis Protecting metal against corrosion Protecting metal against wear and tear Determining brittleness Experimental stress analysis ANSWER DOWNLOAD EXAMIANS APP
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