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 0.5 2 1.5 1 0.5 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Crowning on pulleys helps In decreasing the slip of the belt For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In increasing velocity ratio In decreasing the slip of the belt For automatic adjustment of belt position so that belt runs centrally Increase belt and pulley life In increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means Balancing partially reciprocating masses Balancing partially revolving masses Best balancing of engines All of these Balancing partially reciprocating masses Balancing partially revolving masses Best balancing of engines All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When a shaking force is transmitted through the springs, damping becomes detrimental when the ratio of its frequency to the natural frequency is greater than 2 0.5 1 0.25 2 0.5 1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is an example of sliding pair? Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole Lead screw of a lathe with nut Ball and a socket joint Piston and cylinder of a reciprocating steam engine Shaft with collars at both ends fitted into a circular hole ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The centre of gravity of a coupler link in a four bar mechanism will experience Only angular acceleration No acceleration Only linear acceleration Both linear and angular acceleration Only angular acceleration No acceleration Only linear acceleration Both linear and angular acceleration ANSWER DOWNLOAD EXAMIANS APP
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