Machine Design The stretching in a belt can be controlled by __________ the stress in the belt. None of these Reducing Both A and B Increasing None of these Reducing Both A and B Increasing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is Direct shear stress only A combination of bending stress and direct shear stress Bending stress only A combination of torsional shear stress and bending Direct shear stress only A combination of bending stress and direct shear stress Bending stress only A combination of torsional shear stress and bending ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following key is preferred for the condition when a large amount of impact type torque is to be transmitted in both direction of rotation? Tangent key Woodruff key Feather key Gib-head key Tangent key Woodruff key Feather key Gib-head key 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 2.5 2.8 3.5 3 2.5 2.8 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When spring index increases, the value of Wahl's stress factor Increases linearly Decreases linearly Increases exponentially Remains same Increases linearly Decreases linearly Increases exponentially Remains same ANSWER DOWNLOAD EXAMIANS APP
Machine Design The material commonly used for machine tool bodies is Brass Mild steel Cast iron Aluminium Brass Mild steel Cast iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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