Machine Design Ball bearing type screws are found in following application Aeroplane engines Screw jack Steering mechanism Crane Aeroplane engines Screw jack Steering mechanism Crane ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lower deviation is the algebraic difference between the None of these Actual size and the corresponding basic size Minimum limit and the basic size Maximum limit and the basic size None of these Actual size and the corresponding basic size Minimum limit and the basic size Maximum limit and the basic size ANSWER DOWNLOAD EXAMIANS APP
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/3σt pd/2σt pd/4σt pd/σt pd/3σt pd/2σt pd/4σt pd/σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pitch diameter is the __________ diameter of an external or internal screw thread. None of these Largest Smallest Effective None of these Largest Smallest Effective ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Increases Remains unchanged None of these Decreases Increases Remains unchanged None of these Decreases 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) (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K (4WD/ πd3) × K (2WD/ πd3) × K (8WD/ πd3) × K (WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
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