Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W tan(α + φ) P = W cos(α + φ) P = W tan(φ - α) P = W tan(α - φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a slider moves on a fixed link having curved surface, their instantaneous centre lies At the centre of curvature On their point of contact At the pin joint At the centre of circle At the centre of curvature On their point of contact At the pin joint At the centre of circle 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 = a/r + b Fc = ar Fc = ar - b Fc = ar + b Fc = a/r + b Fc = ar Fc = ar - b Fc = ar + b ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing) (r/2) cosφ r tanφ r cosφ r sinφ (r/2) cosφ r tanφ r cosφ r sinφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Module of a gear is T/D D/T 2T/D 2D/T T/D D/T 2T/D 2D/T ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following governor is used to drive a gramophone? Porter governor Pickering governor Watt governor Hartnell governor Porter governor Pickering governor Watt governor Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
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