Theory of Machine In an open pair, the two elements of a pair Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a surface contact when in motion Have a line or point contact when in motion Are kept in contact by the action of external forces, when in motion Are not held together mechanically Have a surface contact when in motion ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface) (2/3) μ W R (1/2) μ W R (3/4) μ W R μ W R (2/3) μ W R (1/2) μ W R (3/4) μ W R μ W R ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The velocity of a body moving with simple harmonic motion is __________ at the mean position. Zero Maximum Minimum None of these Zero Maximum Minimum None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is Greater than 2 Equal to 2 Equal to 1 Less than 2 Greater than 2 Equal to 2 Equal to 1 Less than 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint Piston and cylinder of a reciprocating steam engine Lead screw of a lathe with nut Shaft with collars at both ends fitted into a circular hole Ball and a socket joint ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism in which two are turning pairs and two are sliding pairs, is called a All of these Scotch yoke mechanism Elliptical trammel Double slider crank chain All of these Scotch yoke mechanism Elliptical trammel Double slider crank chain ANSWER DOWNLOAD EXAMIANS APP
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