Theory of Machine Which of the following statements regarding laws governing the friction between dry surfaces are correct? The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. All of these The friction force is directly proportional to the normal force. The friction force is dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The tractive force is maximum or minimum when the angle of inclination of crank with the line of stroke (θ) is equal to 135° and 315° 90° and 180° 0° and 90° 270° and 360° 135° and 315° 90° and 180° 0° and 90° 270° and 360° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Oldham’s coupling is an inversion of the kinematic chain used in Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint Elliptical trammels Whitworth quick return mechanism Rotary engine Universal joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frequency of oscillation of a compound pendulum is 2π. √[gh/(kG² + h²)] (1/2π). √[gh/(kG² + h²)] 2π. √[(kG² + h²)/gh] (1/2π). √[(kG² + h²)/gh] 2π. √[gh/(kG² + h²)] (1/2π). √[gh/(kG² + h²)] 2π. √[(kG² + h²)/gh] (1/2π). √[(kG² + h²)/gh] ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The maximum value of the pressure angle in case of cam is kept as 14° 30° 10° 20° 14° 30° 10° 20° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The lower pairs are _________ pairs. Self-closed Force-closed Friction closed None of these Self-closed Force-closed Friction closed None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS