Machine Design A hot short metal is Brittle when hot 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch angle of the Izod impact test specimen is 20° 10° 45° 30° 20° 10° 45° 30° ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the pulley or other mating piece is required to slide along the shaft, a __________ sunk key is used. Rectangular None of these Parallel Square Rectangular None of these Parallel Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n Gd3/ 8D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd⁴/ 4D3n ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tensile strength of a mild steel specimen can be roughly predicted from following hardness test None of these Rockwell Vickers Brinell None of these Rockwell Vickers Brinell ANSWER DOWNLOAD EXAMIANS APP
Machine Design In Vickers hardness testing, the pyramid indentor apex is 122° 152° 136° 40° 122° 152° 136° 40° ANSWER DOWNLOAD EXAMIANS APP
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