Machine Design A hot short metal is Brittle when cold Brittle under all conditions Ductile at high temperature Brittle when hot Brittle when cold Brittle under all conditions Ductile at high temperature Brittle when hot ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar Increasing the cross-section area of bar Would depend upon other factors Remain unaffected with cross-section area Decreasing the cross-section area of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following screw thread is adopted for power transmission in either direction? Acme threads Multiple threads Square threads Buttress threads Acme threads Multiple threads Square threads Buttress threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design The centre to centre distance between two consecutive rivets in a row, is called Pitch Diagonal pitch Margin Back pitch Pitch Diagonal pitch Margin Back pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design Set screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between parts Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Increases markedly Depends on heat treatment carried out Remain same Decreases markedly Increases markedly Depends on heat treatment carried out Remain same Decreases markedly ANSWER DOWNLOAD EXAMIANS APP
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