Theory of Machine The two elements of a pair are said to form a higher pair, when they Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Have a surface contact when in motion Permit relative motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Peaucellier’s mechanism has Twelve links Four links Eight links Six links Twelve links Four links Eight links Six links ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The brake commonly used in railway trains is Shoe brake Internal expanding brake Band and block brake Band brake Shoe brake Internal expanding brake Band and block brake Band brake ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of centers in a crank driven slider crank mechanism is 6 4 2 6 4 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The contact ratio is given by (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ (Length of the path of approach)/(Circular pitch) (Length of the arc of contact)/(Circular pitch) (Length of path of recess)/(Circular pitch) (Length of the arc of approach)/cosφ ANSWER DOWNLOAD EXAMIANS APP
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