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) Greater than unity Zero Less than unity Equal to unity Greater than unity Zero Less than unity Equal to unity ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which type of gearing is used in steering system of an automobile? Rack and pinion Worm and wheel Spiral gears None of the listed here Rack and pinion Worm and wheel Spiral gears None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion. Four times Same Two times None of these Four times Same Two times None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The natural frequency of free longitudinal vibrations is equal to (where m = Mass of the body, s = Stiffness of the body, and δ = Static deflection of the body) 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) 0.4985/√δ 1/2π × √(g/δ) Any one of the listed here 1/2π × √(s/m) 0.4985/√δ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The ratio of the number of teeth to the pitch circle diameter in millimeters, is called Module Circular pitch None of these Diametral pitch Module Circular pitch None of these Diametral pitch ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard? The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration The centre of the disc has zero acceleration The point on the disc making contact with the plane surface has zero acceleration All points of the disc have the same velocity The centre of the disc has centrifugal acceleration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS