Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Knuckle threads Square threads Buttress threads Acme threads Knuckle threads Square threads Buttress threads Acme threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) (1 + sinφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + cosφ)/ (1 - sinφ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to 2W/3 8W/9 W/9 W/2 2W/3 8W/9 W/9 W/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design For longitudinal joint in boilers, the type of joint used is Butt joint with double cover plate Butt joint with single cover plate Any one of the above Lap joint with one ring overlapping the other Butt joint with double cover plate Butt joint with single cover plate Any one of the above Lap joint with one ring overlapping the other ANSWER DOWNLOAD EXAMIANS APP
Machine Design Eye bolts are used for Transmission of power Foundation purposes Absorbing shock and vibrations Lifting and transportation of machines and cubicles Transmission of power Foundation purposes Absorbing shock and vibrations Lifting and transportation of machines and cubicles 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 Depend on other considerations Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) Increase with increase in y Depend on other considerations Decrease with decrease in y Be independent of ratio of mass of load W to mass of bar (y) ANSWER DOWNLOAD EXAMIANS APP
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