Machine Design A hot short metal is Brittle under all conditions Brittle when hot Ductile at high temperature Brittle when cold Brittle under all conditions Brittle when hot Ductile at high temperature Brittle when cold ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Used to prevent relative motion between two parts Similar to stud 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 The lower deviation is the algebraic difference between the Maximum limit and the basic size Minimum limit and the basic size Actual size and the corresponding basic size None of these Maximum limit and the basic size Minimum limit and the basic size Actual size and the corresponding basic size None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centrifugal tension in belts Increases the power transmitted Decreases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle Increases the power transmitted Decreases the power transmitted Increases the belt tension without increasing power transmission Increase the wrap angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads Tension Compression Shear Combined loads Tension Compression Shear Combined loads ANSWER DOWNLOAD EXAMIANS APP