Machine Design The cross-section of the arm of a bell crank lever is Elliptical Any one of these Rectangular I-section Elliptical Any one of these Rectangular I-section 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 2.8 3.5 3.0 2.5 2.8 3.5 3.0 2.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ 2 τ 4 τ τ/2 τ 2 τ 4 τ τ/2 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? Feather key Woodruff key Tangent key Gib-head key Feather key Woodruff key Tangent key Gib-head key ANSWER DOWNLOAD EXAMIANS APP
Machine Design In radial cams, the follower moves Along the cam axis In a direction parallel to the cam axis In any direction irrespective of cam axis In a direction perpendicular to the cam axis Along the cam axis In a direction parallel to the cam axis In any direction irrespective of cam axis In a direction perpendicular to the cam axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shock resistance of steel is increased by adding Cobalt and molybdenum Nickel and chromium Chromium Nickel Cobalt and molybdenum Nickel and chromium Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS