Machine Design For general industrial machinery, the ratio of the length of journal to its diameter is taken as 5 to 10 0.5 to 1 3 to 5 1 to 2 5 to 10 0.5 to 1 3 to 5 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ + k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) 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
Machine Design For low and moderate speed engines, the cam follower should move with Uniform acceleration and retardation Cycloidal motion Simple harmonic motion Uniform velocity Uniform acceleration and retardation Cycloidal motion Simple harmonic motion Uniform velocity ANSWER DOWNLOAD EXAMIANS APP
Machine Design In second type of levers, Effort is in between the fulcrum and load Load is in between the fulcrum and effort None of these Fulcrum is in between the load and effort Effort is in between the fulcrum and load Load is in between the fulcrum and effort None of these Fulcrum is in between the load and effort ANSWER DOWNLOAD EXAMIANS APP
Machine Design In static loading, stress concentration is more serious in Brittle as well as ductile materials Ductile materials Elastic materials Brittle materials Brittle as well as ductile materials Ductile materials Elastic materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP