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 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. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For S.H.M. cam, the acceleration of the follower at the ends of the stroke and aimed stroke respectively, is Zero and maximum Zero and minimum Minimum and maximum Maximum and zero Zero and maximum Zero and minimum Minimum and maximum Maximum and zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero None of these Both (A) and (B) The net couple due to the dynamic forces acting on the shaft is equal to zero The net dynamic force acting on the shaft is equal to zero None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is Data is not sufficient to determine same Kinematically sound Soundness would depend upon which link is kept fixed Not sound Data is not sufficient to determine same Kinematically sound Soundness would depend upon which link is kept fixed Not sound ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In higher pair, the relative motion is Purely turning Combination of sliding and turning Purely rotary Purely sliding Purely turning Combination of sliding and turning Purely rotary Purely sliding ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In under damped vibrating system, the amplitude of vibration Decreases exponentially with time Increases exponentially with time Increases linearly with time Decreases linearly with time Decreases exponentially with time Increases exponentially with time Increases linearly with time Decreases linearly with time ANSWER DOWNLOAD EXAMIANS APP