Machine Design For hardening alloy steels and high speed steels, they are heated to 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C 1300 to 1500°C 700 to 900°C 500 to 600°C 1100 to 1300°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is 3.6 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² tension 7.2 N/mm² compression 3.6 N/mm² compression 7.2 N/mm² tension 3.6 N/mm² tension 7.2 N/mm² compression ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ τ/2 4 τ 2 τ τ τ/2 4 τ 2 τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Euler’s formula for a mild steel column is not valid if the slenderness ratio is 60 120 90 100 60 120 90 100 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. Equal to Three times Twice Four times Equal to Three times Twice Four times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch angle of the Izod impact test specimen is 30° 45° 20° 10° 30° 45° 20° 10° ANSWER DOWNLOAD EXAMIANS APP
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