Theory of Machine Efficiency of a screw jack is given by tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα tanα/tan (α +φ) tan (α + φ)/tanα tanα/tan (α - φ) tan (α - φ)/tanα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A Porter governor is a Spring loaded governor Dead weight governor Pendulum type governor Inertia governor Spring loaded governor Dead weight governor Pendulum type governor Inertia governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these One of the links is fixed Two of the links are fixed None of the links is fixed None of these One of the links is fixed Two of the links are fixed None of the links is fixed 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 All of these Torsional vibrations Transverse vibrations Longitudinal vibrations All of these Torsional vibrations Transverse vibrations Longitudinal vibrations ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is Fc = ar - b Fc = a/r + b Fc = ar + b Fc = ar Fc = ar - b Fc = a/r + b Fc = ar + b Fc = ar ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The sense of Coriolis component is such that it Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector Lags the sliding velocity vector by 90° Leads the sliding velocity vector by 90° Leads the sliding velocity vector by 180° Is along the sliding velocity vector ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS