Machine Design The notch angle of the Izod impact test specimen is 45° 10° 20° 30° 45° 10° 20° 30° ANSWER DOWNLOAD EXAMIANS APP
Machine Design For hardening alloy steels and high speed steels, they are heated to 1100 to 1300°C 500 to 600°C 1300 to 1500°C 700 to 900°C 1100 to 1300°C 500 to 600°C 1300 to 1500°C 700 to 900°C ANSWER DOWNLOAD EXAMIANS APP
Machine Design The surface finish factor for a mirror polished material is 0.45 1 0.65 0.85 0.45 1 0.65 0.85 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 principal stress theory Maximum shear stress theory Maximum distortion energy theory Maximum strain energy theory Maximum principal stress theory Maximum shear stress theory ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the upper limit and lower limit of a dimension is called Nominal size Basic size Actual size Tolerance Nominal size Basic size Actual size Tolerance ANSWER DOWNLOAD EXAMIANS APP
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