Machine Design In worm, gears, pitch lead angle is None of these The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and the plane of rotation The angle between the tangent to the pitch helix and an element of the cylinder Half the angle between two inclined faces in axial plane 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/2σt pd/4σt pd/3σt pd/σt pd/2σt pd/4σt pd/3σt pd/σt ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft coupling should Be easy to connect or disconnect All of these Transmit full power of the shaft Hold the shafts in perfect alignment Be easy to connect or disconnect All of these Transmit full power of the shaft Hold the shafts in perfect alignment ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ are equal to 6/(6 + v). 12.5 m/s 15 m/s 20 m/s 10 m/s 12.5 m/s 15 m/s 20 m/s 10 m/s ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rivet head used for boiler plate riveting is usually Conical head Snap head Counter sunk head Pan Head Conical head Snap head Counter sunk head Pan Head ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of third type levers is found in A pair of tongs Hand wheel of a punching press Lever of a loaded safety valve Handle of a hand pump A pair of tongs Hand wheel of a punching press Lever of a loaded safety valve Handle of a hand pump ANSWER DOWNLOAD EXAMIANS APP
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