Machine Design The contact ratio for gears is Less than one Greater than one Zero None of these Less than one Greater than one Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To obtain variable speeds For speed reduction To produce torque To increase efficiency of system To obtain variable speeds For speed reduction To produce torque To increase efficiency of system ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is increased, then the pressure angle Increases Remains unchanged Decreases None of these Increases Remains unchanged Decreases None of these 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 property is essential for spring materials? Ductility Plasticity Resilience Stiffness Ductility Plasticity Resilience Stiffness ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.d.σt p.t.σt (p - d) t.σt p.d.σt p.t.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
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