Theory of Machine The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone) (1/2) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα (1/2) μ W R cosecα (2/3) μ W R cosecα μ W R cosecα (3/4) μ W R cosecα ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the crank is at the inner dead centre, in a reciprocating steam engine, then the velocity of the piston will be Maximum Zero Minimum None of these Maximum Zero Minimum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In an open pair, the two elements of a pair Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion Are not held together mechanically Have a surface contact when in motion Are kept in contact by the action of external forces, when in motion Have a line or point contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a turning pair? Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Ball and a socket joint Shaft with collars at both ends fitted into a circular hole Piston and cylinder of a reciprocating steam engine ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For the same lift and same angle of ascent, a smaller base circle will give There is no such relation with pressure angle A large value of pressure angle A small value of pressure angle Something else There is no such relation with pressure angle A large value of pressure angle A small value of pressure angle Something else 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
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