Theory of Machine A simple spring-mass vibrating system has a natural frequency of fn. If the spring stiffness is halved and the mass is doubled, then the natural frequency will become 2 fn 4 fn fn/2 8 fn 2 fn 4 fn fn/2 8 fn ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In vibration isolation system, the transmissibility will be equal to unity, for all values of damping factor, if ω/ωn is Equal to 2 Greater than 2 Equal to 1 Less than 2 Equal to 2 Greater than 2 Equal to 1 Less than 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Klein's construction can be used when Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular velocity and angular acceleration Crank has uniform angular acceleration Crank has a uniform angular velocity Crank has non-uniform velocity Crank has uniform angular velocity and angular acceleration Crank has uniform angular acceleration ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________ the angle of friction. Equal to Greater than Less than None of these Equal to Greater than Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A rotor which is balanced statically but not dynamically is supported on two bearings L apart and at high speed of the rotor, reaction on the left bearing is R. The right side of the bearing is shifted to a new position 2L apart from the left bearing. At the same rotor speed, dynamic reaction on the left bearing in the new arrangement will Become equal to 2R Remain same as before Become equal to R/2 Become equal to R/4 Become equal to 2R Remain same as before Become equal to R/2 Become equal to R/4 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In Meyer's expansion valve, the expansion valve is driven by an eccentric having an angle of advance from 50°- 60° 80°- 90° 60°-70° 70°- 80° 50°- 60° 80°- 90° 60°-70° 70°- 80° ANSWER DOWNLOAD EXAMIANS APP
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