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 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2840 d 1680 d 1420 d 2080 d 2840 d 1680 d 1420 d 2080 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design Aircraft body is usually fabricated by Pre-casting Casting Welding Riveting Pre-casting Casting Welding Riveting ANSWER DOWNLOAD EXAMIANS APP
Machine Design The distribution of the forces along the length of key fitted in a shaft Is uniform throughout Varies exponentially, being more near the torque-input end Varies linearly Varies exponentially, being less near the torque-input end Is uniform throughout Varies exponentially, being more near the torque-input end Varies linearly Varies exponentially, being less near the torque-input end ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Length of rivet Length of tail Shank diameter Type of head Length of rivet Length of tail Shank diameter Type of head ANSWER DOWNLOAD EXAMIANS APP
Machine Design The plasticity is the property of a material which enables it to Draw into wires by the application of a tensile force Regain its original shape after deformation when the external forces are removed Resist fracture due to high impact loads Retain deformation produced under load permanently Draw into wires by the application of a tensile force Regain its original shape after deformation when the external forces are removed Resist fracture due to high impact loads Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP