Machine Design If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to 1.5 × diameter of bolt 0.75 × diameter of bolt Diameter of bolt 1.25 × diameter of bolt 1.5 × diameter of bolt 0.75 × diameter of bolt Diameter of bolt 1.25 × diameter of bolt ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two helical springs of the same material and of equal circular cross-section, length and number of turns, but having radii 80 mm and 40 mm, kept concentrically (smaller radius spring within the larger radius spring), are compressed between two parallel planes with a load W. The inner spring will carry a load equal to W/9 W/2 2W/3 8W/9 W/9 W/2 2W/3 8W/9 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A double strap butt joint (with equal straps) is Always in double shear Either in single shear or double shear Any one of these Always in single shear Always in double shear Either in single shear or double shear Any one of these Always in single shear ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration in cyclic loading is more serious in Brittle materials Ductile materials Depends on other factors Equally serious in both cases Brittle materials Ductile materials Depends on other factors Equally serious in both cases ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Cold working Shot peening Hot working Grinding and lapping surface Cold working Shot peening Hot working Grinding and lapping surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be a self locking screw, if its efficiency is None of these Equal to 50% More than 50% Less than 50% None of these Equal to 50% More than 50% Less than 50% ANSWER DOWNLOAD EXAMIANS APP
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