Machine Design A sliding bearing in which although lubricant is present, the working surfaces __________ contact each other at least part of the time, is called boundary lubricated bearing. None of these Fully Partially Either A or B None of these Fully Partially Either A or B ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 120 90 60 100 120 90 60 100 ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Decreases Increases None of these Remains unchanged Decreases Increases None of these Remains unchanged 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 138 d 168 d 124 d 151 d 138 d 168 d 124 d 151 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to fluctuating loads for which the normal torque (T) and bending moment (M) are 1000 N-m and 500 N-m respectively. If the combined shock and fatigue factor for bending is 1.5 and combined shock and fatigue factor for torsion is 2, then the equivalent twisting moment for the shaft is 2100 N-m 2050 N-m 2136 N-m 2000 N-m 2100 N-m 2050 N-m 2136 N-m 2000 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process It is subjected to a higher cyclic loading than the outer side It has a lower curvature than the outer side It is subjected to a higher stress than the outer side It is more stretched than the outer side during the manufacturing process ANSWER DOWNLOAD EXAMIANS APP
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