Machine Design Multiple threads are used to secure High efficiency High load lifting capacity High mechanical advantage Low efficiency High efficiency High load lifting capacity High mechanical advantage Low efficiency ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called Fluctuating stress Yield stress Alternating stress Repeated stress Fluctuating stress Yield stress Alternating stress Repeated stress 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 2.5 3 3.5 2.8 2.5 3 3.5 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 17 15 25 21 17 15 25 21 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the threads and normal tolerance grade is designated as M6 - 8d M8 M6 M8 - 6d M6 - 8d M8 M6 M8 - 6d ANSWER DOWNLOAD EXAMIANS APP
Machine Design 18/8 steel contains 18% nickel and 8% chromium 18% nickel and 8% vanadium 18% chromium and 8% nickel 18% vanadium and 8% nickel 18% nickel and 8% chromium 18% nickel and 8% vanadium 18% chromium and 8% nickel 18% vanadium and 8% nickel ANSWER DOWNLOAD EXAMIANS APP