Machine Design The taper on cotter varies from 1 in 48 to 1 in 24 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 1 in 48 to 1 in 24 1 in 15 to 1 in 10 1 in 24 to 1 in 20 1 in 32 to 1 in 24 ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-fourth Double One-eighth One-half One-fourth Double One-eighth One-half ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a metal or alloy is cold worked, It is worked below recrystallization temperature Both (A) and (B) None of these Its hardness and strength increases It is worked below recrystallization temperature Both (A) and (B) None of these Its hardness and strength increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Remains unchanged Decreases Increases None of these Remains unchanged Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a load W is applied instantaneously on a bar; Then the stress induced in bar will 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 Decrease with decrease in y ANSWER DOWNLOAD EXAMIANS APP
Machine Design Screws used for power transmission should have High efficiency Very fine threads Strong teeth Low efficiency High efficiency Very fine threads Strong teeth Low efficiency ANSWER DOWNLOAD EXAMIANS APP