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 dependent on the materials of the contact surfaces. The friction force is independent of me area of contact. The friction force is directly proportional to the normal force. All of these 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 A higher pair has__________. No contact None of these Point contact Surface contact No contact None of these Point contact Surface contact ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Coriolis component acts Along sliding surfaces None of these Perpendicular to sliding surfaces Somewhere in between above two Along sliding surfaces None of these Perpendicular to sliding surfaces Somewhere in between above two ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a Hartnell governor, if a spring of greater stiffness is used, then the governor will be Unaffected of sensitivity Less sensitive More sensitive Isochronous Unaffected of sensitivity Less sensitive More sensitive Isochronous ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The length of a simple pendulum which gives the same frequency as the compound pendulum, is (kG² + l₁²)/ l₁ (kG + l₁²)/ l₁ kG² + l₁ kG + l₁ (kG² + l₁²)/ l₁ (kG + l₁²)/ l₁ kG² + l₁ kG + l₁ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed Inertia governor Wilson Hartnell governor Hartung governor Pickering governor Inertia governor Wilson Hartnell governor Hartung governor Pickering governor ANSWER DOWNLOAD EXAMIANS APP