Unit 1 Introduction & Basic Mechanical Tools – Application

5 lecture hours

• Concept of Force
• Specific heat capacity
• Prime movers and its types
• Basic Mechanical Components and its applications like bolts
• oil seals
• Different Pipe fittings and its applications
• Hand tools and its application like different types of spanners
• screw drivers
• Power tools concepts-applications
• its advantages and disadvantages
• Concept of industry 4.0

Unit 2 Properties of Gases

• Difference between vapour and gas, perfect gas, gas laws
• Boyle's law, Charle's law, Combined gas law, Gas constant and universal gas constant
• Relation between Cp and Cv (No Derivation). 04 08

Unit 3 Properties of Steam

4 lecture hours

• Pure substance
• Steam formation
• Types of Steam
• only concept of Degree of superheat
• heat of superheat
• dryness fraction
• quality of steam
• wetness fraction and priming

Unit 4 Steam Boilers

• Classification of boilers
• Cohran and Babcock and Wilcox boiler
• only Functioning of different mountings and accessories. ---- 15

Unit 5 Internal Combustion Engines

5 lecture hours

• Difference between I.C
• Engine and E.C
• Classification of I.C
• Main Components of Engine and their functions
• working four- stroke cycle Petrol/Diesel engines
• Comparison between Petrol cycle and diesel cycle
• Basic concept of CNG and EV
• (No Numerical) Programme Name: Engineering Level: Diploma Branch: Mechanical Engineering / Mechanical Engineering (CAD/CAM) Course /Subject Code: DI01000191 Course /Subject Name: Elements of Mechanical Engineering

Unit 6 Pumps

• Construction and working of Reciprocating, and Centrifugal pumps
• Importance of Priming. 04 08

Unit 7 Air compressor

• Working principle
• Construction and working of single stage reciprocating air compressor 05 10

Unit 8 Transmission of Motion and Power

• Shaft and axle
• Belt drive
• Chain drive
• Friction drive
• Gear drive. 04 08

Unit 9 Couplings, Clutches and Brakes

• Concept and applications of Couplings (Box
• Pin type flexible
• Universal and Oldham)
• Clutches (Disc and Centrifugal), and Brakes (Block
• Band and Disc). 04 08

Unit 10 Refrigeration and air Conditioning

• Working of Refrigerant
• Vapor compression refrigeration system
• Domestic Refrigerator
• Window and split air conditioners. 04 08

Unit 11 Material Handling Devices

• Need of material handling
• principle of working and applications of material handling equipment
• Hoisting equipment
• Conveying equipment
• Surface & overhead equipment. 06 07