Machine Design The permissible stress for carbon steel under static loading is generally taken as 3000-4000 kg/cm² 4000-4500 kg/cm² 7500-10,000 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 4000-4500 kg/cm² 7500-10,000 kg/cm² 2000-3000 kg/m² ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 151 d 168 d 124 d 138 d 151 d 168 d 124 d 138 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by p/ZN N/Zp ZN/p Z/pN p/ZN N/Zp ZN/p Z/pN ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the flanges are coupled together by means of Bolts and nuts None of these Headless taper bolts Studs Bolts and nuts None of these Headless taper bolts Studs ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rolling contact bearings as compared to sliding contact bearings have All of these Small overall dimensions Accuracy of shaft alignment Low starting and low running friction except at very high speeds All of these Small overall dimensions Accuracy of shaft alignment Low starting and low running friction except at very high speeds ANSWER DOWNLOAD EXAMIANS APP
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