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 The draw of cotter should not be more than 12 mm 3 mm 8 mm 6 mm 12 mm 3 mm 8 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
Machine Design A column is known as a long column if the slenderness ratio is 50 70 40 100 50 70 40 100 ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 70 to 83% 80 to 90% 63 to 70% 45 to 60% 70 to 83% 80 to 90% 63 to 70% 45 to 60% ANSWER DOWNLOAD EXAMIANS APP
Machine Design If an application calls for stresses on screw threads in one direction only, then the following type of thread would be best suited Square Acme Buttress BSW Square Acme Buttress BSW ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations based on which one of the following failure theories will give the most conservative value? Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory Maximum distortion energy theory Maximum strain energy theory Maximum shear stress theory Maximum principal stress theory ANSWER DOWNLOAD EXAMIANS APP
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