Machine Design When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as Internal bevel gears Mitre gears Angular bevel gears Crown bevel gears Internal bevel gears Mitre gears Angular bevel gears Crown bevel gears ANSWER DOWNLOAD EXAMIANS APP
Machine Design The modulus of elasticity for mild steel is approximately equal to 100 kN/mm² 80 kN/mm² 210 kN/mm² 110 kN/mm² 100 kN/mm² 80 kN/mm² 210 kN/mm² 110 kN/mm² 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 - 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 P1 / P2 = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design Factor of safety for fatigue loading is the ratio of Elastic limit to the yield point Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress Elastic limit to the yield point Elastic limit to the working stress Young's modulus to the ultimate tensile strength Endurance limit to the working stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is Zero at the centroidal axis Maximum at the neutral axis Zero at the point other than centroidal axis None of these Zero at the centroidal axis Maximum at the neutral axis Zero at the point other than centroidal axis None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as T sec²φ T cosecφ T/sec³φ T sec³φ T sec²φ T cosecφ T/sec³φ T sec³φ ANSWER DOWNLOAD EXAMIANS APP