Machine Design A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to pd/σt pd/2σt pd/4σt pd/3σt pd/σt pd/2σt pd/4σt pd/3σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (8WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design In block brakes, the ratio of shoe width to wheel diameter is taken between 0.25 and 0.50 0.1 and 0.25 0.50 and 0.75 0.75 and 1 0.25 and 0.50 0.1 and 0.25 0.50 and 0.75 0.75 and 1 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be W/2A 2W/A W/A 3W/A W/2A 2W/A W/A 3W/A ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following cotter joint will be used to connect strap end of a connecting rod? Gib and cotter joint Spigot and socket cotter joint Any one of these Sleeve and cotter joint Gib and cotter joint Spigot and socket cotter joint Any one of these Sleeve and cotter joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress for carbon steel under static loading is generally taken as 3000-4000 kg/cm² 7500-10,000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² 3000-4000 kg/cm² 7500-10,000 kg/cm² 4000-4500 kg/cm² 2000-3000 kg/m² ANSWER DOWNLOAD EXAMIANS APP
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