Machine Design Shear stress theory is applicable for All of these Elastic materials Ductile materials Brittle materials All of these Elastic materials Ductile materials Brittle materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack 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 90° - φ 45° + φ/2 45° - φ/2 45° - φ 90° - φ 45° + φ/2 45° - φ/2 ANSWER DOWNLOAD EXAMIANS APP
Machine Design A rivet is specified by Shank diameter Length of rivet Type of head Length of tail Shank diameter Length of rivet Type of head Length of tail ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. Double One-fourth One-half One-eighth Double One-fourth One-half One-eighth ANSWER DOWNLOAD EXAMIANS APP
Machine Design The elasticity is the property of a material which enables it to Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads Regains its original shape after deformation when the external forces are removed Retain deformation produced under load permanently Draw into wires by the application of a tensile force Resists fracture due to high impact loads ANSWER DOWNLOAD EXAMIANS APP