Theory of Machine In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to 0.6 0.4 0.2 0.8 0.6 0.4 0.2 0.8 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The example of higher pair is Ball and roller bearings All of these Belt, rope and chain drives Gears, cams Ball and roller bearings All of these Belt, rope and chain drives Gears, cams ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following statement is correct as regard to the difference between a machine and a structure? All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only All of these A machine transforms the available energy into some useful work, whereas in a structure no energy is transformed into useful work The parts of a machine move relative to one another, whereas the members of a structure do not move relative to one another The links of a machine may transmit both power and motion, whereas the members of a structure transmit forces only ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A disturbing mass m₁ attached to the rotating shaft may be balanced by a single mass m₂ attached in the same plane of rotation as that of m₁, such that (where r₁ and r₂ are the radii of rotation of m₁ and m₂ respectively) None of these m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ None of these m₁ r₂ = m₂ r₁ m₁ r₁ = m₂ r₂ m₁ m₂ = r₁ r₂ ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A pantograph is a mechanism with Rolling pairs Turning pairs Higher pairs Lower pairs Rolling pairs Turning pairs Higher pairs Lower pairs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The frictional torque transmitted in a flat pivot bearing, assuming uniform wear, is (Where μ = Coefficient of friction, W=Load over the bearing, R=Radius of bearing) ²/₃ μWR ½μWR μwr ¾μWR ²/₃ μWR ½μWR μwr ¾μWR ANSWER DOWNLOAD EXAMIANS APP
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