Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-half One-third Double One-fourth One-half One-third Double One-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design A hot short metal is Brittle under all conditions Brittle when cold Brittle when hot Ductile at high temperature Brittle under all conditions Brittle when cold Brittle when hot Ductile at high temperature ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d².τu t.τu π/4 × d² × tτu πd.t.τu π/4 × d².τu t.τu π/4 × d² × tτu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress induced in the belt is, Torsional shear stress Tensile stress Compressive stress Direct shear stress Torsional shear stress Tensile stress Compressive stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The size of a gear is usually specified by Diametral pitch Circular pitch Pressure angle Pitch circle diameter Diametral pitch Circular pitch Pressure angle Pitch circle diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂ × (P1 + P2) P1 - P2 [⅟₂ × (P1 + P2)] + Pc P1 + P2 ⅟₂ × (P1 + P2) P1 - P2 ANSWER DOWNLOAD EXAMIANS APP
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