a) List some of the merits of roller bearing over the sliding bearing.
b) Describe different materials which are used for gears.
problem 2: Describe the need of maintenance in the printing press.
a) prepare down some of the merits of lubrication.
b) List different tools which are used in the maintenance shop machinery.
problem 4: With respect to the Pneumatic system describe any two kinds of compressor with neat diagram.
problem 5: With an appropriate diagram, describe the general hydraulic system.
a) prepare down some of the applications of pneumatic system.
b) Describe the significance of training and retraining while purchasing latest equipment.