Machine Design A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is Greater than 1/10 Less than 1/10 Equal to 1/10 None of these Greater than 1/10 Less than 1/10 Equal to 1/10 None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic shaft is one Whose upper deviation is zero Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist Whose upper deviation is zero Whose lower as well as upper deviations are zero Whose lower deviation is zero Does not exist ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis. Four times Twice Equal to Three times Four times Twice Equal to Three times ANSWER DOWNLOAD EXAMIANS APP
Machine Design Turn buckle has Right hand threads on bout ends No threads Left hand threads on one end and right hand threads on other end Left hand threads on both ends Right hand threads on bout ends No threads Left hand threads on one end and right hand threads on other end Left hand threads on both ends 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 When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP