Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration Only linear acceleration No acceleration Only angular acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine If ω/ωn = 2, where co is the frequency of excitation and ωn is the natural frequency of vibrations, then the transmissibility of vibration will the 1 1.5 2 0.5 1 1.5 2 0.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Turning pairs Self-closed pairs Sliding pairs Spherical pairs Turning pairs Self-closed pairs Sliding pairs Spherical pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The number of links and instantaneous centers in a reciprocating engine mechanism are 4, 6 5, 4 4, 4 4, 5 4, 6 5, 4 4, 4 4, 5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps In decreasing the slip of the belt In increasing velocity ratio Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally In decreasing the slip of the belt In increasing velocity ratio Increase belt and pulley life For automatic adjustment of belt position so that belt runs centrally ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Kinematic pairs are those which have two elements that Have surface contact Permit relative motion Have line contact Are held together Have surface contact Permit relative motion Have line contact Are held together ANSWER DOWNLOAD EXAMIANS APP
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