Theory of Machine The periodic time is given by (where ω = Angular velocity of the particle in rad/s) π/ω 2π/ω ω/2π ω × 2π π/ω 2π/ω ω/2π ω × 2π ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following mechanism is obtained from lower pair? All of these Gyroscope Valve and valve gears Pantograph All of these Gyroscope Valve and valve gears Pantograph ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = Angular speed of the system, ωn = Natural frequency of vibration of the system) Equal to unity Less than unity Greater than unity Zero Equal to unity Less than unity Greater than unity Zero ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine For two governors A and B, the lift of sleeve of governor A is more than that of governor B, for a given fractional change in speed. It indicates that Both governors A and B are equally sensitive Governor B is more sensitive than governor A Governor A is more sensitive than governor B None of these Both governors A and B are equally sensitive Governor B is more sensitive than governor A Governor A is more sensitive than governor B None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Creep in belt drive is due to Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt Material of the pulley Larger size of the driver pulley Uneven extensions and contractions due to varying tension Material of the belt Material of the pulley ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a pantograph, all the pairs are Spherical pairs Self-closed pairs Turning pairs Sliding pairs Spherical pairs Self-closed pairs Turning pairs Sliding pairs ANSWER DOWNLOAD EXAMIANS APP
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