minimise the effect of primary forces

minimise the effect of secondary forces

have perfect balancing

to start the locomotive quickly

magnitude of the forces on journal

angular velocity of journal

clearance between journal and bearing

radius of journal

The difference between the maximum and minimum energies is called maximum fluctuation of energy

The coefficient of fluctuation of speed is the ratio of maximum fluctuation of speed to the mean speed

The variations of energy above and below the mean resisting torque line is known as fluctuation of energy

none of these

F_c = ar + b

F_c = ar - b

F_c = ar

F_c = a/r + b

four

five

six

seven