Machine Design Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) (k₁ k₂)/ (k₁ + k₂) (k₁ - k₂)/ (k₁ k₂) (k₁ + k₂)/ (k₁ k₂) (k₁ - k₂)/ (k₁ + k₂) ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given byWhere m = mass of belt per meter (kg/m)v = belt velocity (m/s)f = coefficient of frictiona = angle of wrap (radians) (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design In leaf springs, the longest leaf is known as Upper leaf Master leaf None of these Lower leaf Upper leaf Master leaf None of these Lower leaf ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane. None of these Thrice Twice Half None of these Thrice Twice Half 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 cosecφ T/sec³φ T sec²φ T sec³φ T cosecφ T/sec³φ T sec²φ T sec³φ ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct, for two shafts connected in parallel? Torque in each shaft is the same Angle of twist of each shaft is the same Torsional stiffness of each shaft is the same Shear stress in each shaft is the same Torque in each shaft is the same Angle of twist of each shaft is the same Torsional stiffness of each shaft is the same Shear stress in each shaft is the same ANSWER DOWNLOAD EXAMIANS APP
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