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 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 The friction force is dependent on the materials of the contact surfaces. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Sliding pairs Turning pairs Spherical pairs Self-closed pairs Sliding pairs Turning pairs Spherical pairs Self-closed pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a rigid link OA, velocity of 'A' w.r.t. 'O' will be Perpendicular to OA Along AO At 45° to OA Parallel to OA Perpendicular to OA Along AO At 45° to OA Parallel to OA ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the below are inversions of slider crank mechanism?1. Oscillating cylinder engine mechanism2. Toggle mechanism3. Radial cylinder engine mechanism4. Quick return mechanism 2, 3 and 4 1, 2 and 3 1, 2 and 4 1, 3 and 4 2, 3 and 4 1, 2 and 3 1, 2 and 4 1, 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Gears, cams All of these Belt, rope and chain drives Ball and roller bearings Gears, cams All of these Belt, rope and chain drives Ball and roller bearings ANSWER DOWNLOAD EXAMIANS APP