Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design A metal pipe of 1 m diameter contains a fluid having a pressure of 1 N/mm². If the permissible tensile stress in the metal is 20 N/mm², then the thickness of the metal required for making the pipe will be 15 mm 5 mm 10 mm 25 mm 15 mm 5 mm 10 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shaft diameter of 100 mm, the number of bolts in a flange coupling should be 10 4 8 6 10 4 8 6 ANSWER DOWNLOAD EXAMIANS APP
Machine Design In case of pressure vessels having open ends, the fluid pressure induces Shear stress Circumferential stress Longitudinal stress None of these Shear stress Circumferential stress Longitudinal stress None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient of friction, and θ = Semi-block angle) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) 4μ sinθ/(θ + sinθ) 2μ sinθ/(θ + sinθ) μ sinθ/(2θ + sin 2θ) 4μ sinθ/(2θ + sin 2θ) ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two shafts ‘A’ and ‘B’ under pure torsion are of identical length and identical weight and are made of the same material. The shaft ‘A’ is solid and the shaft ‘B’ is hollow. We can say that Shaft A is better than shaft B Both the shafts are equally good None of these Shaft B is better than shaft A Shaft A is better than shaft B Both the shafts are equally good None of these Shaft B is better than shaft A ANSWER DOWNLOAD EXAMIANS APP
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