Theory of Machine Which of the following is a higher pair? Belt and pulley Turning pair Sliding pair Screw pair Belt and pulley Turning pair Sliding pair Screw pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Shoe brake Internal expanding brake Band brake Band and block brake Shoe brake Internal expanding brake Band brake Band and block brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a mechanism, the fixed instantaneous centers are those centers which Moves as the mechanism moves, but joints are of permanent nature None of the listed here Remain in the same place for all configurations of the mechanism Vary with the configuration of the mechanism Moves as the mechanism moves, but joints are of permanent nature None of the listed here Remain in the same place for all configurations of the mechanism Vary with the configuration of the mechanism ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in Transverse vibrations Torsional vibrations All of these Longitudinal vibrations Transverse vibrations Torsional vibrations All of these Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The efficiency of a screw jack is maximum, when (where α = Helix angle, and φ = Angle of friction) α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ α = 90° + φ α = 45° + φ/2 α = 45° - φ/2 α = 90° - φ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be Same as the first one One and a half times the first one Four times the first one One fourth of the first one Same as the first one One and a half times the first one Four times the first one One fourth of the first one ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS