Question No : 57
The contact ratio for gears is
Question No : 58
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called
Question No : 59
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the
Question No : 60
If ω/ωn is very low for a body vibrating under steady state vibrations, the phase angle for all values of damping factors, will tend to approach
Question No : 61
The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to
Question No : 62
The load cup of a screw jack is made separate from the head of the spindle to
Question No : 63
In a Hartnell governor, the lift of the sleeve is given by (where r₁ and r₂ = Max. and min. radii of rotation, x = Length of ball arm of the lever, and y = Length of sleeve arm of the lever)