Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? 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 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. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A kinematic chain is known as a mechanism when None of these Two of the links are fixed One of the links is fixed None of the links is fixed None of these Two of the links are fixed One of the links is fixed None of the links is fixed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For an involute gear, the ratio of base circle radius and pitch circle radius is equal to cosφ sinφ cosecφ secφ cosφ sinφ cosecφ secφ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Torsional vibrations are said to occur when the particles of a body moves Parallel to its axis None of these In a circle about its axis Perpendicular to its axis Parallel to its axis None of these In a circle about its axis Perpendicular to its axis ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pair is a Point contact pair Closed pair Sliding pair Open pair Point contact pair Closed pair Sliding pair Open pair ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft depends upon its Stiffness Mass Stiffness and eccentricity Mass and stiffness Stiffness Mass Stiffness and eccentricity Mass and stiffness ANSWER DOWNLOAD EXAMIANS APP