Theory Of Machine - Study Mode
[#371] If $$frac{omega }{{omega { ext{n}}}}$$ is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
Correct Answer
(A) 0°
[#372] A typewriter mechanism has 7 numbers of binary joints, six links and none of higher pairs. The mechanism is
Correct Answer
(A) Kinematically sound
[#373] The velocity of sliding of meshing gear teeth is (Where $${omega _1}$$ and $${omega _2}$$ are angular velocities of meshing gears and ‘y’ is distance between point of contact and the pitch point)
Correct Answer
(A) $$left( {{omega _1} + {omega _2}}
ight){ ext{y}}$$
[#374] A reed type tachometer use the principle of
Correct Answer
(C) Transverse vibration
[#375] Sensitiveness of the governor is defined as the ratio of the
Correct Answer
(C) Difference of the maximum and minimum equilibrium speeds to the mean speed