Machine Design The square threads are usually found on Feed mechanism of machine tools Screw cutting lathes Railway carriage couplings Spindles of bench vices Feed mechanism of machine tools Screw cutting lathes Railway carriage couplings Spindles of bench vices ANSWER DOWNLOAD EXAMIANS APP
Machine Design A self locking screw has Course threads Hole for inserting split pin Coefficient of friction is greater than tangent of load angle Fine threads Course threads Hole for inserting split pin Coefficient of friction is greater than tangent of load angle Fine threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A fast and loose pulley drive is used when Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction Shafts are arranged parallel and rotate in the opposite directions Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft Shafts are arranged parallel and rotate in the same directions Shafts are arranged at right angles and rotate in one definite direction ANSWER DOWNLOAD EXAMIANS APP
Machine Design In cyclic loading, stress concentration is more serious in Ductile materials Elastic materials Brittle as well as ductile materials Brittle materials Ductile materials Elastic materials Brittle as well as ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations Decrease with decrease in y Increase with increase in y Be independent of ratio of mass of load W to mass of bar (y) Depend on other considerations ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Alone has no influence on fatigue strength Increases the fatigue strength Has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP