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 The pair is known as a higher pair, when the relative motion between the elements of a pair is Partly turning and partly sliding Rolling only Turning only Sliding only Partly turning and partly sliding Rolling only Turning only Sliding only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to 20° 10° 30° 40° 20° 10° 30° 40° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Hammer blow Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses. Varies inversely with the square of the speed Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses Varies as the square root of the speed ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which is the false statement about the properties of instantaneous center? The two rigid links have no linear velocities relative to each other at the instantaneous center The two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link The double center can be denoted either by O2 or O12, but proper selection should be made At the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered The two rigid links have no linear velocities relative to each other at the instantaneous center The two rigid links which have no linear velocity relative to each other at this center have the same linear velocity to the third rigid link The double center can be denoted either by O2 or O12, but proper selection should be made At the instantaneous center of rotation, one rigid link rotates instantaneously relative to another for the configuration of mechanism considered ANSWER DOWNLOAD EXAMIANS APP
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