Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. All of these The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. The friction force is independent of me area of contact. All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Transmission angle is the angle between Output link and coupler Input link and coupler Input link and fixed link Output link and fixed link Output link and coupler Input link and coupler Input link and fixed link Output link and fixed link ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The radial distance of a tooth from the pitch circle to the bottom of the tooth is called Addendum Working depth Dedendum Clearance Addendum Working depth Dedendum Clearance ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a screw jack, the effort required to lower the load W is given by P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) P = W tan(φ - α) P = W tan(α - φ) P = W cos(α + φ) P = W tan(α + φ) ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosecφ secφ sinφ cosφ cosecφ secφ sinφ cosφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The inversion of a mechanism is Changing of a higher pair to a lower pair Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Turning its upside down Changing of a higher pair to a lower pair Obtained by reversing the input and output motion Obtained by fixing different links in a kinematic chain Turning its upside down ANSWER DOWNLOAD EXAMIANS APP