Machine Design According to Indian standard specifications, plain carbon steel designated by 40C8 contains carbon None of these 0.35 to 0.45% 0.40 to 0.60% 0.20 to 0.40% None of these 0.35 to 0.45% 0.40 to 0.60% 0.20 to 0.40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design The piston pin bearings in heavy duty diesel engines are Tapered roller bearings Spherical roller bearings Needle roller bearings Cylindrical roller bearings Tapered roller bearings Spherical roller bearings Needle roller bearings Cylindrical roller bearings ANSWER DOWNLOAD EXAMIANS APP
Machine Design The edges of the plates for cylindrical vessels are usually bevelled to an angle of 80° for Fullering and caulking Safety Ease of manufacture Reducing stress concentration Fullering and caulking Safety Ease of manufacture Reducing stress concentration ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Brinell hardness number Toughness Elastic strength Yield strength Brinell hardness number Toughness Elastic strength Yield strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds Is maximum at zero speed and decreases monotonically with increase in speed Is minimum at zero speed and increases monotonically with increase in speed Becomes minimum at an optimum speed and then increases with further increase in speed Remains constant at all speeds ANSWER DOWNLOAD EXAMIANS APP
Machine Design A column of length l is fixed at both ends. The equivalent length of the column is l/2 2 l l l/√2 l/2 2 l l l/√2 ANSWER DOWNLOAD EXAMIANS APP
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