Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 60 100 90 120 60 100 90 120 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Neutral surface Lower surface Upper surface None of these Neutral surface Lower surface Upper surface None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Inversely as square of load Directly as load Inversely as cube of load Inversely as fourth power of load Inversely as square of load Directly as load Inversely as cube of load Inversely as fourth power of load ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions All of these Low starting and low running friction except at very high speeds Accuracy of shaft alignment Small overall dimensions ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 0.85 1 0.45 0.65 0.85 1 0.45 0.65 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) (1 - sinφ)/ (1 + cosφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + sinφ) ANSWER DOWNLOAD EXAMIANS APP