Machine Design The plasticity is the property of a material which enables it to Regain its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Resist fracture due to high impact loads Retain deformation produced under load permanently Regain its original shape after deformation when the external forces are removed Draw into wires by the application of a tensile force Resist fracture due to high impact loads Retain deformation produced under load permanently ANSWER DOWNLOAD EXAMIANS APP
Machine Design A machine part subjected to _________ is called a strut. An axial tensile force An axial compressive force Any one of these A tangential force An axial tensile force An axial compressive force Any one of these A tangential force ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct for gears? All of these The pitch circle is always greater than the base circle The pitch circle diameter is equal to the product of module and number of teeth The addendum is less than dedendum All of these The pitch circle is always greater than the base circle The pitch circle diameter is equal to the product of module and number of teeth The addendum is less than dedendum ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw is said to be over hauling screw, if its efficiency is None of these Less than 50% Equal to 50% More than 50% None of these Less than 50% Equal to 50% More than 50% 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 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα P1 / P2 = eᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα ANSWER DOWNLOAD EXAMIANS APP
Machine Design The efficiency of a square threaded screw is maximum if the helix angle is equal to(Where φ = Angle of friction) 45° + φ/2 90° - φ 45° - φ/2 45° - φ 45° + φ/2 90° - φ 45° - φ/2 45° - φ ANSWER DOWNLOAD EXAMIANS APP
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