Machine Design When a close coiled helical spring is compressed, its wire is subjected to All of these Tension Shear Compression All of these Tension Shear Compression ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 3.5 2.5 3 2.8 3.5 2.5 3 2.8 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Decreases linearly Remains same Increases exponentially Increases linearly Decreases linearly Remains same Increases exponentially Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as None of these Helix angle Pitch lead angle Pressure angle None of these Helix angle Pitch lead angle Pressure angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design Shaft coupling is used in machinery to All of these Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads All of these Introduce mechanical flexibility Reduce the transmission of shock loads Introduce protection against over loads ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gears are casted by Centrifugal casting Permanent mould casting Slush casting Sand mould casting Centrifugal casting Permanent mould casting Slush casting Sand mould casting ANSWER DOWNLOAD EXAMIANS APP