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. All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. The friction force is directly proportional to the normal force. All of these The friction force is independent of me area of contact. The friction force is dependent on the materials of the contact surfaces. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is 52.92 N-s/m 18.52 N-s/m 529.2 N-s/m 1.4 N-s/m 52.92 N-s/m 18.52 N-s/m 529.2 N-s/m 1.4 N-s/m ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For dynamic balancing of a shaft The net couple due to the dynamic forces acting on the shaft is equal to zero Both (A) and (B) None of these The net dynamic force acting on the shaft is equal to zero The net couple due to the dynamic forces acting on the shaft is equal to zero Both (A) and (B) None of these The net dynamic force acting on the shaft is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn > 1, then the phase difference between the transmitted force and the disturbing force is 0° 180° 270° 90° 0° 180° 270° 90° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For fluctuating loads, well suited bearing is Thrust bearing Ball bearing Roller bearing Needle roller bearing Thrust bearing Ball bearing Roller bearing Needle roller bearing ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a reciprocating engine, usually __________ of the reciprocating masses are balanced. One-half Whole Two-third Three-fourth One-half Whole Two-third Three-fourth ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS