Q1. Describe the following terms in detail:
a) Journal bearing
b) Ball bearing
Q2. List some of the advantages, four limitations, two applications and the two types of belt drives.
Q3. What do you mean by contract maintenance? List some of the advantages and two disadvantages.
Q4. Describe any three of cams with proper diagram.
Q5. Describe different additives which are used in lubricant.
Q6. prepare function of the given compressor accessories:
b) Line lubricator
Q7. prepare down the two merits, two demerits and two applications of the Hydraulic system.